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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

568
FZHW50 PHFO 190739
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
939 PM HST Wed Sep 18 2019

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

PHZ100-192030-
939 PM HST Wed Sep 18 2019

.Synopsis for Hawaiian coastal waters...
High pressure will remain far north-northeast of the islands
through the week. West of the state, a low pressure system is
expected to track northward over the next few days. A deepening
upper-level low will approach the area from the northeast toward
the end of this week and into the weekend for unstable, wet
conditions.

$$

PHZ110-192030-
Kauai Northwest Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 20 knots. Wind waves 4 feet.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers through the day.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
west 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. Swell west
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Swell west 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 5 feet.
Scattered showers.
.SUNDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet. Scattered
showers.
.MONDAY...East winds 10 knots. Wind waves 4 to 5 feet. South
swell 3 feet. Scattered showers.

$$

PHZ111-192030-
Kauai Windward Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East 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. Swell
southwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. Swell southwest
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Swell southwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Scattered showers.
.SUNDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming east 10 knots. Wind
waves 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. South
swell 3 feet. Scattered showers.

$$

PHZ112-192030-
Kauai Leeward Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Swell
southwest 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Swell west
3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell southwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Scattered
showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Scattered showers.
.MONDAY...East winds 10 knots. Wind waves 3 to 4 feet. South
swell 3 feet and southwest 3 feet. Scattered showers.

$$

PHZ113-192030-
Kauai Channel-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell southwest 3 feet. Isolated showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell west
3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell west 3 feet. Scattered showers.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Scattered
showers.
.SUNDAY...Winds variable less than 10 knots becoming east
10 knots. Wind waves 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. South
swell 3 feet and southwest 3 feet. Scattered showers.

$$

PHZ114-192030-
Oahu Windward Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. Swell southwest
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Swell southwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Scattered showers.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Scattered showers.
.SUNDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming east 10 knots. Wind
waves 4 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet and southwest 3 feet. Scattered showers.

$$

PHZ115-192030-
Oahu Leeward Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Swell
southwest 3 feet.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell southwest 3 feet. Isolated showers after midnight.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell west 3 feet. Isolated showers.
.SATURDAY...Northeast winds 15 knots. Wind waves 3 feet. Swell
southwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet in the evening
then 2 feet or less. Scattered showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. South swell 3 feet. Scattered showers.
.MONDAY...East winds 10 knots. Wind waves 3 feet. South swell
3 feet and southwest 3 feet. Scattered showers.

$$

PHZ116-192030-
Kaiwi Channel-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
Swell southwest 3 feet. Isolated showers through the night.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Swell southwest 3 feet. Scattered showers.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Swell southwest
3 feet. Scattered showers.
.SUNDAY...Winds variable less than 10 knots becoming east
10 knots. Wind waves 3 to 4 feet. South swell 3 feet and
southwest 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet and southwest 3 feet. Scattered showers.

$$

PHZ117-192030-
Maui County Windward Waters-
939 PM HST Wed Sep 18 2019

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

$$

PHZ118-192030-
Maui County Leeward Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
.THURSDAY...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell southwest 3 feet. Isolated showers after midnight.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Swell west 3 feet. Isolated showers through the night.
.SATURDAY...East winds 10 knots. Wind waves 2 feet or less. Swell
southwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Scattered
showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. South swell 3 feet. Scattered showers.
.MONDAY...East winds 10 knots. Wind waves 3 feet. South swell
3 feet and southwest 3 feet. Scattered showers.

$$

PHZ119-192030-
Maalaea Bay-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...North winds 20 knots. Wind waves 2 feet or
less.
.THURSDAY...North winds 20 knots. Wind waves 2 feet or less.
.THURSDAY NIGHT...North winds 20 knots. Wind waves 2 feet or
less.
.FRIDAY...North winds 15 knots. Wind waves 2 feet or less.
.FRIDAY NIGHT...North winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the evening.
.SATURDAY...North winds 10 knots. Wind waves 2 feet or less.
Scattered showers in the morning, then isolated showers in the
afternoon.
.SATURDAY NIGHT...North winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Isolated
showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Scattered showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.

$$

PHZ120-192030-
Pailolo Channel-
939 PM HST Wed Sep 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 4 feet.
Isolated showers.
.THURSDAY...East winds to 25 knots. Wind waves 4 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 4 feet.
Swell southwest 3 feet. Isolated showers in the evening.
Scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. Swell southwest
3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Swell southwest 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Swell
southwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 15 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Scattered showers
in the evening, then isolated showers after midnight.
.SUNDAY...Winds variable less than 10 knots. Wind waves 3 to
4 feet. South swell 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. South
swell 3 feet and southwest 3 feet. Isolated showers.

$$

PHZ121-192030-
Alenuihaha Channel-
939 PM HST Wed Sep 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers.
.THURSDAY...East winds to 25 knots. Wind waves 6 feet. Swell
southwest 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Swell southwest 3 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 6 feet. Swell
southwest 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell west 3 feet. Scattered showers through the night.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet.
Scattered showers.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Scattered
showers.
.SUNDAY...Winds variable less than 10 knots becoming north
10 knots in the evening, then veering east after midnight. Wind
waves 4 feet. South swell 3 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. South swell
3 feet and southwest 3 feet. Scattered showers.

$$

PHZ122-192030-
Big Island Windward Waters-
939 PM HST Wed Sep 18 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Isolated
showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.FRIDAY...Northeast winds 15 knots. Wind waves 3 feet in the
morning then 2 feet or less. Scattered showers in the morning,
then isolated showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Scattered showers.
.SATURDAY...East winds 10 knots. Wind waves 2 feet or less then
3 feet in the afternoon. Showers likely.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Showers likely.
.SUNDAY...Southeast winds 10 knots. Wind waves 4 feet. South
swell 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet and southwest 3 feet. Scattered showers.

$$

PHZ123-192030-
Big Island Leeward Waters-
939 PM HST Wed Sep 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.REST OF TONIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
5 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 5 feet.
Isolated showers in the morning.
.THURSDAY NIGHT...Northwest winds 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 5 feet.
Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Isolated showers through the day.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...northeast 10 knots near Kawaihae. Wind waves 3 feet.
Scattered showers.
.SATURDAY...East winds 10 knots veering southeast in the
afternoon. Wind waves 2 feet or less then 3 feet in the
afternoon. Scattered showers.
.SATURDAY NIGHT...Southeast winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Scattered showers.
.SUNDAY...Winds variable less than 10 knots becoming north
10 knots. Wind waves 3 feet. South swell 3 feet. Scattered
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.
South swell 3 feet and southwest 3 feet. Scattered showers.

$$

PHZ124-192030-
Big Island Southeast Waters-
939 PM HST Wed Sep 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
5 feet. Isolated showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 5 feet.
Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.FRIDAY...Northeast winds 20 knots. Wind waves 5 feet. Isolated
showers.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Scattered showers.
.SATURDAY...East winds 10 knots. Wind waves 3 feet. Showers
likely.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Showers likely in
the evening, then scattered showers after midnight.
.SUNDAY...Winds variable less than 10 knots becoming east
10 knots. Wind waves 3 feet. South swell 3 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. South
swell 3 feet and south 3 feet. Scattered showers.

$$

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



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