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Select Product Type: All | Routine Bulletins/FCSTS | Warnings/Watches/Advisories | HAWN Weather | Tropical | Marine | Aviation | Daily Obs | Special
Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

517
FZHW50 PHFO 251330
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 AM HST Sun Oct 25 2020

Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-260230-
330 AM HST Sun Oct 25 2020

.Synopsis for Hawaiian coastal waters...
High pressure northeast of the state and a cold front approaching
from the northwest will keep moderate to fresh southeast winds
over the eastern islands, and light and variable winds over the
western end of the state during the next few days. As the front
moves closer, the potential for heavy showers and thunderstorms
will increase.

$$

PHZ110-260230-
Kauai Northwest Waters-
330 AM HST Sun Oct 25 2020

.TODAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 8 feet. Scattered showers and slight chance of
thunderstorms.
.TONIGHT...Winds variable less than 10 knots becoming southeast
10 knots after midnight. Wind waves 3 feet. Northwest swell
7 feet. Isolated showers.
.MONDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
7 feet and northeast 3 feet. Scattered showers through the day.
Slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 3 feet. Northwest
swell 6 feet and northeast 3 feet. Scattered showers and slight
chance of thunderstorms.
.TUESDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming
southeast 15 knots after midnight. Wind waves 4 feet. Northwest
swell 4 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.WEDNESDAY...South winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 3 to 4 feet and
northeast 3 feet. Showers likely and isolated thunderstorms.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. North swell 3 feet. Chance of showers and isolated
thunderstorms.

$$

PHZ111-260230-
Kauai Windward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 8 feet. Isolated showers.
.TONIGHT...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 8 feet. Isolated showers.
.MONDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
7 feet and northeast 3 feet. Scattered showers through the day.
Slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet and northeast 3 feet. Scattered showers
and slight chance of thunderstorms.
.TUESDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 4 feet. Northwest
swell 4 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.WEDNESDAY...Southeast winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 3 feet and northeast
3 feet. Showers likely and isolated thunderstorms.
.THURSDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. North
swell 3 feet. Chance of showers and isolated thunderstorms.

$$

PHZ112-260230-
Kauai Leeward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northwest swell 8 feet. Scattered showers and slight chance
of thunderstorms.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 7 feet. Scattered showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 7 feet and northeast 3 feet. Scattered showers
through the day. Slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 3 feet in the
evening then 2 feet or less. Northwest swell 6 feet and northeast
3 feet. Scattered showers and slight chance of thunderstorms.
.TUESDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. Wind waves 3 feet. Mixed swell
northwest 5 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.TUESDAY NIGHT...South winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 4 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...South winds 10 knots becoming variable less than
10 knots, then becoming northeast 10 knots after midnight. Wind
waves 3 feet. Northwest swell 3 to 4 feet and northeast 3 feet.
Showers likely and isolated thunderstorms.
.THURSDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. North
swell 3 feet. Chance of showers and isolated thunderstorms.

$$

PHZ113-260230-
Kauai Channel-
330 AM HST Sun Oct 25 2020

.TODAY...Winds variable less than 10 knots becoming northeast
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
8 feet. Isolated showers.
.TONIGHT...East winds 10 knots. Wind waves 3 feet. Northwest
swell 7 feet. Isolated showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 7 feet and northeast 3 feet. Scattered showers
through the day. Slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
6 feet and northeast 3 feet. Scattered showers and slight chance
of thunderstorms.
.TUESDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming
southeast 15 knots after midnight. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.WEDNESDAY...South winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 3 feet and northeast
3 feet. Showers likely and isolated thunderstorms.
.THURSDAY...Northeast winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 3 feet. Chance
of showers and isolated thunderstorms.

$$

PHZ114-260230-
Oahu Windward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
8 feet. Isolated showers through the day.
.TONIGHT...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 8 feet. Isolated showers.
.MONDAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 7 feet and northeast 4 feet. Isolated showers.
.MONDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet and northeast 4 feet. Scattered showers
and slight chance of thunderstorms.
.TUESDAY...South winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 5 feet and
northeast 4 feet. Showers likely and isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 4 feet. Northwest swell
4 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.THURSDAY...Northeast winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 3 feet. Chance
of showers and isolated thunderstorms.

$$

PHZ115-260230-
Oahu Leeward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northwest swell 7 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots becoming southeast
10 knots after midnight. Wind waves 3 feet. Northwest swell
7 feet. Isolated showers through the night.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 7 feet and northeast 3 feet. Isolated showers in
the morning, then scattered showers in the afternoon.
.MONDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 2 feet or less.
Northwest swell 6 feet and northeast 3 feet. Scattered showers
and slight chance of thunderstorms.
.TUESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less then 3 feet in the afternoon. Northwest swell 5 feet and
northeast 3 feet. Showers likely and isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.WEDNESDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming southeast 10 knots in
the evening becoming variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 3 feet and northeast 3 feet.
Showers likely and isolated thunderstorms.
.THURSDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Northwest swell 3 feet.
Chance of showers and isolated thunderstorms.

$$

PHZ116-260230-
Kaiwi Channel-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
7 feet. Isolated showers.
.TONIGHT...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 7 feet. Isolated showers through the night.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet and northeast 3 to 4 feet. Isolated showers through
the day.
.MONDAY NIGHT...East winds 15 knots veering south after midnight.
Wind waves 4 feet. Northwest swell 6 feet and northeast 4 feet.
Scattered showers and slight chance of thunderstorms.
.TUESDAY...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 5 feet and northeast 3 to 4 feet. Showers likely
and isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.THURSDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming northeast 10 knots.
Wind waves 2 feet or less. North swell 3 feet. Chance of showers
and isolated thunderstorms.

$$

PHZ117-260230-
Maui County Windward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...Southeast winds 20 knots. Wind waves 5 feet. Northwest
swell 7 feet. Isolated showers.
.TONIGHT...Southeast winds 20 knots. Wind waves 5 feet. Northwest
swell 7 feet. Swell northeast 3 feet. Isolated showers.
.MONDAY...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 7 feet and northeast 4 feet. Isolated showers.
.MONDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Northwest swell 6 feet and northeast 4 feet. Scattered showers
and slight chance of thunderstorms.
.TUESDAY...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet and northeast 4 feet. Showers likely and isolated
thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 to 4 feet and northeast 3 feet. Showers likely
and isolated thunderstorms.
.THURSDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
North swell 3 feet. Chance of showers and isolated thunderstorms.

$$

PHZ118-260230-
Maui County Leeward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 15 knots. Wind waves 3 feet. Northwest swell
6 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet. Isolated showers.
.MONDAY...East winds 10 knots backing north in the afternoon.
Wind waves 3 feet. Northwest swell 5 feet and northeast 3 feet.
Isolated showers.
.MONDAY NIGHT...Southeast winds 15 knots. Wind waves 3 feet.
Northwest swell 5 feet and northeast 3 feet. Scattered showers
and slight chance of thunderstorms.
.TUESDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet. Northwest swell 4 feet and
northeast 3 feet. Showers likely and isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 2 feet or less.
Northwest swell 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.THURSDAY...South winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 3 feet. Chance
of showers and isolated thunderstorms.

$$

PHZ119-260230-
Maalaea Bay-
330 AM HST Sun Oct 25 2020

.TODAY...West winds 10 knots. Wind waves 2 feet or less.
.TONIGHT...North winds 10 knots. Wind waves 2 feet or less.
.MONDAY...North winds 10 knots backing west in the afternoon.
Wind waves 2 feet or less. Isolated showers in the afternoon.
.MONDAY NIGHT...North winds 10 knots backing west after midnight.
Wind waves 2 feet or less. Slight chance of thunderstorms and
isolated showers.
.TUESDAY...North winds 15 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Showers likely and
isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Showers likely and isolated thunderstorms.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Showers likely and isolated thunderstorms.
.THURSDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 2 feet or less. Chance of showers and
isolated thunderstorms.

$$

PHZ120-260230-
Pailolo Channel-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
6 feet. Isolated showers in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 feet. Mixed swell
northwest 5 feet and northeast 4 feet. Isolated showers.
.MONDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Mixed swell northwest 5 feet and northeast 4 feet. Slight chance
of thunderstorms and isolated showers.
.TUESDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Mixed swell northwest 4 feet and northeast 4 feet. Showers likely
and isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Mixed swell northwest 3 feet and northeast 3 feet.
Showers likely and isolated thunderstorms.
.WEDNESDAY...Winds variable less than 10 knots becoming southeast
10 knots. Wind waves 2 feet or less. Northwest swell 3 feet and
northeast 3 feet. Showers likely and isolated thunderstorms.
.THURSDAY...Southeast winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 3 feet. Chance
of showers and isolated thunderstorms.

$$

PHZ121-260230-
Alenuihaha Channel-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
7 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 7 feet. Swell northeast 3 feet. Isolated showers in the
evening. Scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Mixed swell
northwest 7 feet and northeast 4 feet. Scattered showers in the
morning. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 5 feet and northeast 4 feet. Slight chance of
thunderstorms and isolated showers.
.TUESDAY...East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 5 feet and northeast 4 feet. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Mixed
swell northwest 4 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Chance of showers and isolated
thunderstorms.

$$

PHZ122-260230-
Big Island Windward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
7 feet. Isolated showers through the day.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 7 feet and northeast 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
7 feet and northeast 4 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet and northeast 4 feet. Scattered showers and slight
chance of thunderstorms.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet and northeast 4 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.THURSDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 3 feet. Chance
of showers and isolated thunderstorms.

$$

PHZ123-260230-
Big Island Leeward Waters-
330 AM HST Sun Oct 25 2020

.TODAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers through the day.
.TONIGHT...West of the Big Island, winds variable less than
10 knots becoming north 10 knots after midnight. Near South
Point, east winds 20 knots. Wind waves 5 feet. Northwest swell
6 feet. Isolated showers through the night.
.MONDAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon. Near South
Point, east winds 20 knots. Wind waves 5 feet. Mixed swell
northwest 4 feet and northeast 3 feet. Isolated showers through
the day.
.MONDAY NIGHT...West of the Big Island, winds variable less than
10 knots becoming north 10 knots after midnight. Near South
Point, east winds 15 knots. Wind waves 5 feet. Northwest swell
4 feet and northeast 3 feet. Scattered showers and slight chance
of thunderstorms.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 5 feet.
Northwest swell 4 feet and northeast 3 feet. Scattered showers
and isolated thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Northwest swell 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots becoming east 10 knots after midnight. Near South Point,
east winds 10 knots. Wind waves 3 feet. Northwest swell 3 feet.
Scattered showers and isolated thunderstorms.
.THURSDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Chance of showers and isolated thunderstorms.

$$

PHZ124-260230-
Big Island Southeast Waters-
330 AM HST Sun Oct 25 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
4 feet. Isolated showers through the day.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet and northeast 3 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
5 feet and northeast 4 feet. Isolated showers through the day.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet and northeast 4 feet. Scattered showers
and slight chance of thunderstorms.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet and northeast 4 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 3 feet and northeast 3 feet. Showers likely and
isolated thunderstorms.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet and northeast 3 feet. Showers likely and isolated
thunderstorms.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less.
Chance of showers and isolated thunderstorms.

$$

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office



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