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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

558
FZHW50 PHFO 260135
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
335 PM HST Tue Sep 25 2018

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

PHZ100-261445-
335 PM HST Tue Sep 25 2018

.Synopsis for Hawaiian coastal waters...
An area of low pressure far northwest of Kauai will gradually
move north-northeast through midweek. The pressure gradient will
strengthen over the weekend as high pressure builds to the north
and an area of low pressure passes to the south.

$$

PHZ110-261445-
Kauai Northwest Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...Southwest winds 10 knots. Wind waves 4 feet. Numerous
heavy showers and slight chance of thunderstorms.
.WEDNESDAY...West winds 10 knots. Wind waves 4 feet. Numerous
showers.
.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 4 feet in the afternoon. Isolated 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 6 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 5 to 6 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 to 5 feet. Scattered showers.

$$

PHZ111-261445-
Kauai Windward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 15 knots. Wind waves 4 feet. Numerous
heavy showers and slight chance of thunderstorms.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 4 feet.
Numerous showers.
.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 4 feet in the afternoon. Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. North swell
5 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 6 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Mixed
swell north 4 to 6 feet and south 3 feet. Scattered showers.

$$

PHZ112-261445-
Kauai Leeward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 15 knots. Wind waves 4 feet. Numerous
heavy showers and slight chance of thunderstorms.
.WEDNESDAY...Southwest winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet. Numerous showers
in the morning, then scattered showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots becoming
northeast 10 knots after midnight. 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 4 feet in the
afternoon. Isolated showers in the morning, then scattered
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 5 feet. Scattered showers.
.FRIDAY NIGHT...Northeast winds 20 knots...east 10 knots in the
Kaulakahi Channel. Wind waves 4 feet. North swell 6 feet.
Scattered showers.
.SATURDAY...East winds 20 knots...east 15 knots in the Kaulakahi
Channel. Wind waves 7 to 8 feet. North swell 5 to 6 feet.
Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 6 to 8 feet. Mixed
swell north 3 to 5 feet and south 3 feet. Scattered showers.

$$

PHZ113-261445-
Kauai Channel-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 15 knots. Wind waves 4 feet. Numerous
heavy showers and slight chance of thunderstorms.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Numerous
showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Scattered showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 2 feet or less
then 3 feet in the afternoon. 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 3 feet. North
swell 5 feet. Scattered showers through the day.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
North swell 6 feet. Scattered showers in the evening, then
isolated showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 5 to 6 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Mixed
swell north 3 to 5 feet and south 3 feet. Isolated showers.

$$

PHZ114-261445-
Oahu Windward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 15 knots. Wind waves 4 feet. Numerous
showers.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then numerous showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Numerous showers in the evening, then scattered showers
after midnight.
.THURSDAY...Winds variable less than 10 knots becoming northeast
10 knots in the afternoon. Wind waves 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Scattered showers in the evening, then
numerous showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. North swell
5 feet. Numerous showers in the morning, then scattered showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 6 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 to 8 feet. Mixed
swell north 4 to 6 feet and south 3 feet. Scattered showers.

$$

PHZ115-261445-
Oahu Leeward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 10 knots. Wind waves 3 feet. Numerous
showers.
.WEDNESDAY...South winds 10 knots. Wind waves 3 feet. Numerous
showers.
.WEDNESDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet in
the evening then 2 feet or less. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 3 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 6 feet. Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 6 to 7 feet. North
swell 5 to 6 feet. Isolated showers.
.SUNDAY...East winds 20 knots easing to 10 knots. Wind waves 5 to
6 feet. Mixed swell north 3 to 5 feet and southwest 3 feet.
Isolated showers.

$$

PHZ116-261445-
Kaiwi Channel-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 10 knots. Wind waves 4 feet. Numerous
showers.
.WEDNESDAY...South winds 10 knots. Wind waves 3 feet. Scattered
showers in the morning, then numerous showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Numerous showers in the evening, then scattered showers
after midnight.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet
in the morning then 2 feet or less. Scattered showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet after midnight. Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 6 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. North
swell 5 to 6 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 8 feet. Mixed swell
north 3 to 5 feet and southwest 3 feet. Isolated showers.

$$

PHZ117-261445-
Maui County Windward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 4 feet.
Isolated showers in the morning, then scattered showers in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Scattered
showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet after midnight. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. Northwest swell
5 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. North
swell 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 6 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 4 to 6 feet. Scattered showers.

$$

PHZ118-261445-
Maui County Leeward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...South winds 10 knots. Wind waves 4 feet. Scattered
showers.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then numerous showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet in the morning
then 2 feet or less. Scattered showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Scattered showers through the night.
.FRIDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 5 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. North swell
5 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 6 to 8 feet. Mixed
swell north 3 to 5 feet and southwest 3 feet. Isolated showers.

$$

PHZ119-261445-
Maalaea Bay-
335 PM HST Tue Sep 25 2018

.TONIGHT...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 in the morning, then scattered showers
in the afternoon.
.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 morning, then scattered showers
in the afternoon.
.THURSDAY NIGHT...North winds 15 knots. Wind waves 2 feet or
less. Isolated showers through the night.
.FRIDAY...North winds 20 knots. Wind waves 2 feet or less.
Isolated showers in the morning.
.FRIDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.SATURDAY...North winds to 25 knots. Wind waves 4 feet.
.SUNDAY...North winds 20 knots. Wind waves 4 to 6 feet.

$$

PHZ120-261445-
Pailolo Channel-
335 PM HST Tue Sep 25 2018

.TONIGHT...West winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 4 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. Wind waves 3 feet. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Scattered showers in the evening, then isolated showers
after midnight.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers in the morning, then scattered showers
in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds to 25 knots. Wind waves 4 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 5 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 7 to 9 feet. Mixed
swell northwest 3 to 5 feet and southwest 3 feet. Isolated
showers.

$$

PHZ121-261445-
Alenuihaha Channel-
335 PM HST Tue Sep 25 2018

.TONIGHT...Southwest winds 15 knots backing east after midnight.
Wind waves 5 feet. Isolated showers.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 4 feet.
Isolated showers.
.WEDNESDAY NIGHT...East winds 10 knots veering west after
midnight. Wind waves 4 feet. Scattered showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 3 feet.
Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Scattered showers through the night.
.FRIDAY...Northeast winds 20 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers through the night.
.SATURDAY...East winds to 25 knots. Wind waves 9 feet. North
swell 5 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 9 feet. Mixed swell
north 4 to 5 feet and southwest 3 feet. Isolated showers.

$$

PHZ122-261445-
Big Island Windward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...Southeast winds 20 knots. Wind waves 6 feet. Scattered
showers.
.WEDNESDAY...Southeast winds 20 knots. Wind waves 5 feet.
Scattered showers.
.WEDNESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Mixed swell
north 5 feet and southwest 3 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Mixed swell
north 4 to 5 feet and southwest 3 feet. Scattered showers.

$$

PHZ123-261445-
Big Island Leeward Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...West of the Big Island, north winds 10 knots in the
evening becoming variable less than 10 knots. Near South Point,
east winds 15 knots. Wind waves 5 feet. Scattered showers.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots becoming southwest 15 knots in the afternoon. Near South
Point, east winds 15 knots. Wind waves 4 feet. Scattered showers.
.WEDNESDAY NIGHT...West of the Big Island, north winds 10 knots
in the evening becoming variable less than 10 knots. Near South
Point, east winds 15 knots. Wind waves 4 feet. Numerous showers
in the evening, then scattered showers after midnight.
.THURSDAY...North winds 10 knots. Wind waves 3 feet. Scattered
showers.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Scattered showers in the evening, then isolated showers after
midnight.
.FRIDAY...Northwest winds 10 knots west of the Big Island...east
20 knots near South Point. Wind waves 5 feet. Isolated showers
through the day.
.FRIDAY NIGHT...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots after midnight. Near South
Point, east winds to 25 knots. Wind waves 7 feet. Northwest swell
3 feet. Isolated showers through the night.
.SATURDAY...West of the Big Island, west winds 10 knots in the
morning veering northwest, then backing southwest in the evening
becoming variable less than 10 knots. Near South Point, east
winds to 25 knots. Wind waves 10 to 11 feet. Mixed swell
northwest 3 feet and south 3 feet. Isolated showers.
.SUNDAY...West of the Big Island, northwest winds 10 knots
backing southwest in the evening, then veering north after
midnight. Near South Point, east winds 20 knots. Wind waves 7 to
8 feet. Mixed swell northwest 3 feet and southwest 3 feet.
Isolated showers.

$$

PHZ124-261445-
Big Island Southeast Waters-
335 PM HST Tue Sep 25 2018

.TONIGHT...Southeast winds 15 knots. Wind waves 4 feet. Scattered
showers.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 4 feet.
Scattered showers.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers through the day.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Scattered showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 5 feet. Scattered
showers.
.FRIDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 feet. Mixed
swell northwest 4 to 5 feet and south 3 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 to 8 feet. Mixed
swell northwest 4 to 5 feet and southwest 3 feet. Scattered
showers.

$$

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



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