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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

511
FZHW50 PHFO 250718
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
918 PM HST Mon Sep 24 2018

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

PHZ100-252030-
918 PM HST Mon Sep 24 2018

.Synopsis for Hawaiian coastal waters...
An area of low pressure far northwest of Kauai will gradually
move northeast and east through the middle of the week. Surface
winds will become more southerly tonight and an increase of
locally heavy showers are expected through Tuesday night for the
western coastal waters.

$$

PHZ110-252030-
Kauai Northwest Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet. Heavy
showers likely late in the evening. Slight chance of
thunderstorms through the night. Occasional heavy showers after
midnight.
.TUESDAY...South winds 15 knots. Wind waves 4 feet. Occasional
heavy showers and slight chance of thunderstorms.
.TUESDAY NIGHT...Southwest winds 15 knots. Wind waves 4 feet.
Heavy showers likely and slight chance of thunderstorms.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 4 feet. Showers
likely in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Scattered showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet increasing to 5 feet in the afternoon.
Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 5 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 5 to 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 to 6 feet. Scattered showers.

$$

PHZ111-252030-
Kauai Windward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Heavy showers likely and slight chance of thunderstorms.
.TUESDAY...South winds 20 knots. Wind waves 5 feet. Heavy showers
likely and slight chance of thunderstorms.
.TUESDAY NIGHT...South winds 15 knots. Wind waves 4 feet. Heavy
showers likely and slight chance of thunderstorms.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 4 feet. Showers
likely in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet in the afternoon. Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 5 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. North swell
5 to 6 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet. North
swell 4 to 6 feet. Scattered showers.

$$

PHZ112-252030-
Kauai Leeward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Occasional heavy showers and slight chance of thunderstorms.
.TUESDAY...South winds 15 knots. Wind waves 4 feet. Occasional
heavy showers and slight chance of thunderstorms.
.TUESDAY NIGHT...Southwest winds 10 knots. Wind waves 3 feet.
Heavy showers likely and slight chance of thunderstorms.
.WEDNESDAY...South winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet in the morning
then 2 feet or less. Showers likely in the morning, then
scattered showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 2 feet or less
then 3 feet in the afternoon. Northwest swell 3 feet. Scattered
showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots...northeast 10 knots in the
Kaulakahi Channel. Wind waves 4 feet. North swell 5 to 6 feet.
Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 to 6 feet. Isolated showers.

$$

PHZ113-252030-
Kauai Channel-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Heavy showers likely and slight chance of thunderstorms.
.TUESDAY...Southeast winds 15 knots. Wind waves 4 feet. Heavy
showers likely and slight chance of thunderstorms.
.TUESDAY NIGHT...South winds 15 knots. Wind waves 4 feet. Heavy
showers likely and slight chance of thunderstorms.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Showers
likely in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY...Winds variable less than 10 knots becoming northeast
10 knots in the afternoon. Wind waves 3 feet in the morning then
2 feet or less. Northwest swell 3 feet in the afternoon.
Scattered showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 4 to 5 feet.
North swell 4 to 5 feet. Isolated showers.

$$

PHZ114-252030-
Oahu Windward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Isolated showers.
.TUESDAY...Southeast winds 10 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY NIGHT...South winds 10 knots. Wind waves 4 feet. Showers
likely.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Showers
likely in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 3 feet in the afternoon. Scattered showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 3 to 4 feet. North
swell 5 to 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 to 6 feet. Scattered showers.

$$

PHZ115-252030-
Oahu Leeward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Isolated showers.
.TUESDAY...South winds 10 knots. Wind waves 3 feet. Scattered
showers.
.TUESDAY NIGHT...South winds 15 knots. Wind waves 3 feet. Showers
likely.
.WEDNESDAY...South winds 10 knots. Wind waves 3 feet. Showers
likely in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet in
the evening then 2 feet or less. Scattered showers.
.THURSDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Scattered
showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 4 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 5 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 4 to 5 feet.
North swell 4 to 5 feet. Isolated showers.

$$

PHZ116-252030-
Kaiwi Channel-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Isolated showers.
.TUESDAY...Southeast winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.TUESDAY NIGHT...South winds 10 knots. Wind waves 4 feet. Showers
likely.
.WEDNESDAY...South winds 10 knots. Wind waves 3 feet. Showers
likely in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 5 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 5 feet. North
swell 4 to 5 feet. Isolated showers.

$$

PHZ117-252030-
Maui County Windward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 20 knots. Wind waves 5 feet.
Isolated showers through the night.
.TUESDAY...Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.WEDNESDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.THURSDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. North swell
5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 to 5 feet. Scattered showers.

$$

PHZ118-252030-
Maui County Leeward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Isolated showers.
.TUESDAY...Southeast winds 10 knots veering south in the
afternoon. Wind waves 3 feet. Scattered showers.
.TUESDAY NIGHT...South winds 15 knots. Wind waves 3 feet.
Scattered showers.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Scattered
showers.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY...Northeast winds 10 knots backing north in the
afternoon. Wind waves 3 feet in the morning then 2 feet or less.
Scattered showers in the morning, then isolated showers in the
afternoon.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet. Isolated showers through the night.
.FRIDAY...Northeast winds 10 knots. Wind waves 3 feet. North
swell 3 to 4 feet. Isolated showers.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 4 to 5 feet.

$$

PHZ119-252030-
Maalaea Bay-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...North winds 10 knots. Wind waves 2 feet or
less.
.TUESDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 2 feet or less. Isolated
showers in the afternoon.
.TUESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers in the evening.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers in the afternoon.
.THURSDAY NIGHT...North winds 15 knots. Wind waves 2 feet or
less. Isolated showers in the evening.
.FRIDAY...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY...North winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-252030-
Pailolo Channel-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
Isolated showers through the night.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.TUESDAY NIGHT...Winds variable less than 10 knots. Wind waves
4 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
3 feet. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet in the evening then 2 feet or less. Scattered showers in
the evening, then isolated showers after midnight.
.THURSDAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon. Wind waves 2 feet or less then 3 feet
in the afternoon. Isolated showers in the morning, then scattered
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 3 feet. Scattered showers in the evening, then
isolated showers after midnight.
.FRIDAY...Northeast winds 20 knots. Wind waves 3 to 4 feet.
Northwest swell 4 to 5 feet. Isolated showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 5 feet.
Northwest swell 4 to 5 feet. Isolated showers.

$$

PHZ121-252030-
Alenuihaha Channel-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers through the night.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY NIGHT...South winds 10 knots. Wind waves 5 feet.
Isolated showers.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 4 feet.
Scattered showers in the evening, then isolated showers after
midnight.
.THURSDAY...Northeast winds 10 knots. Wind waves 4 feet. Isolated
showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet after midnight. Isolated showers through
the night.
.FRIDAY...Northeast winds 20 knots. Wind waves 4 to 5 feet.
Northwest swell 4 to 5 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. North
swell 4 to 5 feet. Isolated showers.

$$

PHZ122-252030-
Big Island Windward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Southeast winds 20 knots. Wind waves 5 feet.
Scattered showers.
.TUESDAY...Southeast winds 20 knots. Wind waves 5 feet. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 20 knots. Wind waves 5 feet.
Scattered showers.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 5 feet.
Scattered showers in the morning, then isolated showers in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 4 feet after midnight. Isolated showers in the
evening, then scattered showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 4 to 5 feet. North
swell 4 to 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 to 6 feet. North
swell 4 to 5 feet. Scattered showers.

$$

PHZ123-252030-
Big Island Leeward Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Isolated showers late in the evening, then scattered showers
after midnight.
.TUESDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon. Near South
Point, east winds 15 knots. Wind waves 4 feet. Scattered showers.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 5 feet.
Scattered showers.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots in the afternoon. Near South
Point, southeast winds 15 knots. Wind waves 5 feet. Scattered
showers.
.WEDNESDAY NIGHT...West of the Big Island, southeast winds
10 knots in the evening becoming variable less than 10 knots.
Near South Point, east winds 15 knots. Wind waves 4 feet.
Scattered showers in the evening, then isolated showers after
midnight.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 3 feet.
Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Isolated showers through the night.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 to 5 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon, then becoming
variable less than 10 knots. Near South Point, east winds to
25 knots. Wind waves 8 feet. Northwest swell 3 feet. Isolated
showers.

$$

PHZ124-252030-
Big Island Southeast Waters-
918 PM HST Mon Sep 24 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
Scattered showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Scattered showers.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 4 feet.
Scattered showers in the morning, then isolated showers in the
afternoon.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 3 to 4 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 4 feet. Scattered showers.

$$

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



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