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Menu of Text Products for the Hawaiian Islands and the Tropical Pacific/Atlantic Oceans:
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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

940
FZHW50 PHFO 201843
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
843 AM HST Tue Oct 20 2020

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

PHZ100-210715-
843 AM HST Tue Oct 20 2020

.Synopsis for Hawaiian coastal waters...
A stalled front near Kauai will gradually wash out through the
middle of the week. A surface ridge will remain across the
eastern islands and then lift northward with the dissipating
front.

$$

PHZ110-210715-
Kauai Northwest Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...South winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 3 feet and northeast 3 feet. Numerous showers and
scattered thunderstorms.
.TONIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 3 feet in the evening then
2 feet or less. Mixed swell northwest 3 feet and northeast
3 feet. Scattered thunderstorms in the evening. Numerous showers
through the night. Isolated thunderstorms after midnight.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Mixed swell northwest 3 feet and northeast 3 feet.
Numerous showers in the morning. Isolated thunderstorms through
the day. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Swell northeast 3 feet. Scattered showers and
isolated thunderstorms in the evening, then isolated showers
after midnight.
.THURSDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet increasing to northwest 3 feet in the afternoon.
Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 3 to 5 feet. Isolated showers.

$$

PHZ111-210715-
Kauai Windward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...South winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 3 feet and northeast 3 feet. Numerous showers and
scattered thunderstorms.
.TONIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 3 feet in the evening then
2 feet or less. Mixed swell northwest 3 feet and northeast
3 feet. Numerous showers and scattered thunderstorms in the
evening, then scattered showers and isolated thunderstorms after
midnight.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 3 feet in the morning. Swell northeast
3 feet. Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or
less. Swell northeast 3 feet. Scattered showers and isolated
thunderstorms in the evening, then isolated showers after
midnight.
.THURSDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Swell northeast 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 3 to 5 feet. Isolated showers.

$$

PHZ112-210715-
Kauai Leeward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...South winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 3 feet and northeast 3 feet. Numerous showers and
scattered thunderstorms.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Mixed swell northwest 3 feet and northeast 3 feet.
Numerous showers and scattered thunderstorms in the evening, then
scattered showers and isolated thunderstorms after midnight.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Mixed swell northwest 3 feet and northeast 3 feet.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Swell northeast 3 feet. Scattered showers and
isolated thunderstorms in the evening, then isolated showers
after midnight.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northeast 3 feet. Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 3 to 5 feet. Isolated showers.

$$

PHZ113-210715-
Kauai Channel-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...South winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet and northeast 3 feet. Scattered showers
and thunderstorms.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Mixed swell northwest 3 feet and northeast 3 feet.
Scattered showers and isolated thunderstorms.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northeast 3 feet. Scattered showers and isolated
thunderstorms.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or
less. Swell northeast 3 feet. Isolated thunderstorms in the
evening. Isolated showers through the night.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Swell northeast
3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Swell northeast 3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 3 to 5 feet. Isolated showers.

$$

PHZ114-210715-
Oahu Windward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...Southeast winds 10 knots. Wind waves 3 feet.
Mixed swell northwest 3 feet and northeast 4 feet. Scattered
showers, then isolated showers in the afternoon.
.TONIGHT...Southeast winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 3 feet and northeast 4 feet. Scattered showers.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 3 feet. Swell
northeast 4 feet. Scattered showers in the morning, then isolated
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Swell northeast 3 feet. Isolated
showers.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming east
10 knots. Wind waves 2 feet or less. Swell northeast 3 feet.
Isolated showers.
.SATURDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet. Northwest swell 3 to
5 feet. Isolated showers.

$$

PHZ115-210715-
Oahu Leeward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...South winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. Swell northeast 3 feet.
Scattered showers, then isolated showers in the afternoon.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northeast 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northeast 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Isolated
showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ116-210715-
Kaiwi Channel-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...Southeast winds 15 knots. Wind waves 3 feet.
Swell northeast 4 feet. Scattered showers, then isolated showers
in the afternoon.
.TONIGHT...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Swell northeast 3 feet. Isolated
showers.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Swell northeast
3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming east
10 knots in the evening, then becoming variable less than
10 knots after midnight. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ117-210715-
Maui County Windward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...Southeast winds 15 knots. Wind waves 4 feet.
Swell northeast 4 feet. Isolated showers.
.TONIGHT...Southeast winds 15 knots. Wind waves 3 feet. Swell
northeast 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Swell northeast 3 feet. Isolated
showers through the night.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Isolated showers through the night.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northeast
3 feet. Isolated showers.
.SATURDAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 3 to 4 feet and northeast 3 feet. Isolated
showers.

$$

PHZ118-210715-
Maui County Leeward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...Southeast winds 10 knots. Wind waves 3 feet.
Swell northeast 3 feet. Isolated showers.
.TONIGHT...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers through the day.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or
less. Swell northeast 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Swell northeast
3 feet. Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 3 feet. Isolated showers.

$$

PHZ119-210715-
Maalaea Bay-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers in the afternoon.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less.
.WEDNESDAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon. Wind waves 2 feet or less. Isolated
showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less.

$$

PHZ120-210715-
Pailolo Channel-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...East winds 15 knots. Wind waves 3 feet. Swell
northeast 4 feet. Isolated showers.
.TONIGHT...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 to 4 feet. Isolated showers through the night.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or
less. Swell northeast 3 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots becoming northeast
10 knots in the afternoon. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming east
10 knots in the evening, then becoming variable less than
10 knots after midnight. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Mixed swell northwest 3 feet and northeast 3 feet. Isolated
showers.

$$

PHZ121-210715-
Alenuihaha Channel-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...East winds 15 knots. Wind waves 4 feet. Swell
northeast 4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northeast 3 to 4 feet.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northeast
3 feet. Isolated showers.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and northeast 3 feet. Isolated showers.

$$

PHZ122-210715-
Big Island Windward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...East winds 15 knots. Wind waves 3 feet. Swell
northeast 4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 to 4 feet.
.WEDNESDAY...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or
less. Swell northeast 3 feet. Isolated showers through the night.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Isolated showers through the night.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northeast
3 feet. Isolated showers.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and northeast 3 feet. Isolated showers.

$$

PHZ123-210715-
Big Island Leeward Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...Northeast winds 15 knots. Wind waves 4 feet.
Swell northeast 3 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 3 feet.
Swell northeast 3 feet. Isolated showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Isolated showers.
.FRIDAY...Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 4 feet.
Isolated showers.

$$

PHZ124-210715-
Big Island Southeast Waters-
843 AM HST Tue Oct 20 2020

.REST OF TODAY...East winds 15 knots. Wind waves 3 feet. Swell
northeast 4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northeast
3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Swell east
3 feet. Isolated showers.

$$

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



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