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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

283
FZHW50 PHFO 210731
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
931 PM HST Thu Sep 20 2018

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

PHZ100-212030-
931 PM HST Thu Sep 20 2018

.Synopsis for Hawaiian coastal waters...
High pressure northeast of the state will keep a moderate to
locally strong trade wind flow in place through Saturday. An area
of low pressure is expected to develop several hundred miles
northwest of Kauai over the weekend, and this should allow the
winds to weaken and shift around to the southeast Sunday through
early next week.

$$

PHZ110-212030-
Kauai Northwest Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers late in the evening, then scattered showers
after midnight.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers through the day.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers through the night.
.SUNDAY...Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.MONDAY...South winds 15 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY...South winds 10 knots. Wind waves 3 to 4 feet.
Scattered showers.

$$

PHZ111-212030-
Kauai Windward Waters-
931 PM HST Thu Sep 20 2018

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

$$

PHZ112-212030-
Kauai Leeward Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 10 knots. Wind waves 4 feet.
Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Isolated showers after midnight.
.SUNDAY...Southeast winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Isolated showers.
.MONDAY...South winds 15 knots. Wind waves 3 to 4 feet. Scattered
showers.
.TUESDAY...South winds 10 knots. Wind waves 3 to 4 feet.
Scattered showers.

$$

PHZ113-212030-
Kauai Channel-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 5 feet.
Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers after midnight.
.SUNDAY...Southeast winds 10 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Isolated showers.
.MONDAY...South winds 10 knots. Wind waves 4 feet. Isolated
showers.
.TUESDAY...South winds 10 knots. Wind waves 3 to 4 feet. Isolated
showers.

$$

PHZ114-212030-
Oahu Windward Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 6 feet.
Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers through the day.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.MONDAY...Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...Southeast winds 10 knots. Wind waves 3 to 4 feet.
Isolated showers.

$$

PHZ115-212030-
Oahu Leeward Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
Isolated showers late in the evening. Scattered showers after
midnight.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
.SATURDAY...East winds 15 knots. Wind waves 4 feet.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
.SUNDAY...East winds 10 knots. Wind waves 4 feet.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
.MONDAY...Southeast winds 10 knots. Wind waves 3 feet.
.TUESDAY...Southeast winds 10 knots. Wind waves 3 feet. Isolated
showers.

$$

PHZ116-212030-
Kaiwi Channel-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...Southeast winds 10 knots. Wind waves 4 to 5 feet.
.TUESDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 to 4 feet.

$$

PHZ117-212030-
Maui County Windward Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 7 feet.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...Southeast winds 10 knots. Wind waves 4 feet. Isolated
showers.

$$

PHZ118-212030-
Maui County Leeward Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers late in the evening. Isolated showers after
midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
.SATURDAY...East winds 15 knots. Wind waves 5 feet.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
.SUNDAY...East winds 10 knots. Wind waves 4 feet.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
.MONDAY...East winds 10 knots. Wind waves 3 feet.
.TUESDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less.

$$

PHZ119-212030-
Maalaea Bay-
931 PM HST Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

.REST OF TONIGHT...North winds 15 knots. Wind waves 2 feet or
less.
.FRIDAY...North winds increasing to 25 knots. Wind waves 2 feet
or less.
.FRIDAY NIGHT...North winds to 25 knots. Wind waves 2 feet or
less.
.SATURDAY...North winds to 25 knots. Wind waves 2 feet or less.
.SATURDAY NIGHT...North winds 20 knots. Wind waves 2 feet or
less.
.SUNDAY...North winds 20 knots. Wind waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.MONDAY...Northeast winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less.
.TUESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less.

$$

PHZ120-212030-
Pailolo Channel-
931 PM HST Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers late in the evening. Scattered showers after
midnight.
.FRIDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Scattered
showers in the morning.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Scattered showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Isolated
showers after midnight.
.MONDAY...Southeast winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet.
.TUESDAY...Winds variable less than 10 knots. Wind waves 3 feet.

$$

PHZ121-212030-
Alenuihaha Channel-
931 PM HST Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 7 feet.
Scattered showers late in the evening. Isolated showers after
midnight.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet.
.TUESDAY...East winds 10 knots. Wind waves 4 feet.

$$

PHZ122-212030-
Big Island Windward Waters-
931 PM HST Thu Sep 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Scattered showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...Southeast winds 15 knots. Wind waves 4 feet. Isolated
showers.

$$

PHZ123-212030-
Big Island Leeward Waters-
931 PM HST Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...West of the Big Island, southwest winds
10 knots late in the evening becoming variable less than
10 knots. Near South Point, east winds to 25 knots. Wind waves
7 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Isolated showers in the evening.
.SATURDAY...West of the Big Island, winds variable less than
10 knots becoming north 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 6 feet.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 6 feet.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet.
Isolated showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 to 5 feet.
Isolated showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet.
Isolated showers.

$$

PHZ124-212030-
Big Island Southeast Waters-
931 PM HST Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 7 feet.
Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SATURDAY...East winds 25 knots. Wind waves 6 feet. Scattered
showers in the morning.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.

$$

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



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