Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 231315
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
315 AM HST Wed Sep 23 2020

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

PHZ100-240130-
315 AM HST Wed Sep 23 2020

.Synopsis for Hawaiian coastal waters...
A strengthening surface ridge north of the islands will support
moderate to fresh trades. Northern swells will fill in and hold
through the later half of the week.

$$

PHZ110-240130-
Kauai Northwest Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
4 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 6 feet decreasing to 4 feet after midnight. Isolated
showers through the night.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. North swell
4 feet. Scattered showers in the morning. Isolated showers in the
afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. North swell
3 to 4 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 feet. Isolated showers.

$$

PHZ111-240130-
Kauai Windward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 15 knots. Wind waves 5 feet. North swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. North swell
4 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. North swell
5 feet. Scattered showers in the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. North swell
5 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. North swell
3 to 4 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 feet. Scattered showers.

$$

PHZ112-240130-
Kauai Leeward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
4 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 4 feet. Scattered showers in the evening. Isolated showers
after midnight.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
4 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. North swell
3 to 4 feet. Scattered showers.
.SUNDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 to 4 feet. North swell 3 feet. Isolated
showers.

$$

PHZ113-240130-
Kauai Channel-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. North swell
4 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 feet increasing to 6 feet in the afternoon. Scattered showers
in the morning, then isolated showers in the afternoon.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. North
swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet. North
swell 3 to 4 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 feet. Isolated showers.

$$

PHZ114-240130-
Oahu Windward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. North swell
4 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
5 feet. Scattered showers in the morning.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. North swell
3 to 4 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 feet. Scattered showers.

$$

PHZ115-240130-
Oahu Leeward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 4 feet.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. North swell
4 feet.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 4 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 3 to 4 feet. North
swell 3 to 4 feet. Isolated showers.
.SUNDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 3 feet.

$$

PHZ116-240130-
Kaiwi Channel-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet in the afternoon. Scattered showers through the day.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers.
.THURSDAY...Northeast winds 20 knots. Wind waves 5 feet. North
swell 5 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
north 3 to 4 feet and south 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
north 3 feet and south 3 feet.

$$

PHZ117-240130-
Maui County Windward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet in the afternoon. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet increasing to 7 feet in the afternoon. Isolated showers in
the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 6 feet. Isolated showers through the night.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. North swell
3 to 5 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 feet. Isolated showers.

$$

PHZ118-240130-
Maui County Leeward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 6 feet. Isolated showers
through the day.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. North swell
4 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 5 feet. North
swell 4 feet.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
4 feet.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 4 feet. Swell south 3 feet. Isolated showers in the
evening.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
north 3 to 4 feet and south 3 feet.
.SUNDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 to 4 feet. Mixed swell north 3 feet and
south 3 feet.

$$

PHZ119-240130-
Maalaea Bay-
315 AM HST Wed Sep 23 2020

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

.TODAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 3 feet.
.THURSDAY...North winds to 25 knots. Wind waves 3 feet.
.THURSDAY NIGHT...North winds to 25 knots. Wind waves 3 feet in
the evening then 2 feet or less.
.FRIDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 2 feet or
less.
.SATURDAY...Northeast winds 15 knots. Wind waves 2 feet or less.
.SUNDAY...Northeast winds 15 knots becoming variable less than
10 knots. Wind waves 2 feet or less.

$$

PHZ120-240130-
Pailolo Channel-
315 AM HST Wed Sep 23 2020

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

.TODAY...Northeast winds to 25 knots. Wind waves 5 feet.
Scattered showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 5 feet. North swell
3 feet. Scattered showers through the night.
.THURSDAY...Northeast winds to 25 knots. Wind waves 5 feet. North
swell 4 feet increasing to 6 feet in the afternoon. Isolated
showers in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 4 feet.
North swell 5 feet. Isolated showers in the evening.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. North swell
4 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers in the evening. Isolated showers
after midnight.
.SATURDAY...East winds 20 knots. Wind waves 4 feet. Northeast
swell 3 to 4 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Northeast swell
3 feet.

$$

PHZ121-240130-
Alenuihaha Channel-
315 AM HST Wed Sep 23 2020

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

.TODAY...East winds to 25 knots. Wind waves 7 feet. Scattered
showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. North swell
3 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves 7 feet. North
swell 5 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
North swell 5 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. North swell
5 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 4 feet. Scattered showers in the evening. Isolated showers
after midnight.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
3 to 4 feet. Isolated showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 4 to 5 feet.
Northeast swell 3 feet.

$$

PHZ122-240130-
Big Island Windward Waters-
315 AM HST Wed Sep 23 2020

.TODAY...East winds 20 knots. Wind waves 5 feet. Northeast swell
3 feet. Scattered showers in the morning, then numerous showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
3 feet. Numerous showers in the evening, then scattered showers
after midnight.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 5 feet. Isolated showers through the night.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. North
swell 5 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
north 4 to 5 feet and south 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 to 4 feet.

$$

PHZ123-240130-
Big Island Leeward Waters-
315 AM HST Wed Sep 23 2020

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

.TODAY...Southwest winds 10 knots west of the Big Island...east
to 25 knots near South Point. Wind waves 7 feet. Scattered
showers.
.TONIGHT...West of the Big Island, north winds 10 knots veering
southeast after midnight. Near South Point, east winds to
25 knots. Wind waves 8 feet. Isolated showers in the evening,
then scattered showers after midnight.
.THURSDAY...West of the Big Island, northwest winds 10 knots
backing southwest in the afternoon. Near South Point, east winds
to 25 knots. Wind waves 8 feet. Scattered showers in the morning.
.THURSDAY 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 8 feet. North
swell 3 feet. Isolated showers.
.FRIDAY...West winds 10 knots west of the Big Island...east
20 knots near South Point. Wind waves 7 feet. North swell 3 feet.
Isolated showers in the morning.
.FRIDAY NIGHT...East winds 10 knots west of the Big Island...east
20 knots near South Point. Wind waves 6 feet. North swell 3 feet.
Isolated showers in the evening.
.SATURDAY...West of the Big Island, southeast winds 10 knots
veering west in the afternoon, then backing east. Near South
Point, east winds 20 knots. Wind waves 5 to 6 feet. North swell
3 feet.
.SUNDAY...West of the Big Island, southeast winds 10 knots in the
morning becoming variable less than 10 knots, then becoming
northwest 10 knots. Near South Point, east winds 10 knots. Wind
waves 4 to 5 feet.

$$

PHZ124-240130-
Big Island Southeast Waters-
315 AM HST Wed Sep 23 2020

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

.TODAY...East winds to 25 knots. Wind waves 7 feet. Northeast
swell 3 feet. Numerous showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northeast
swell 3 feet. Numerous showers in the evening, then scattered
showers after midnight.
.THURSDAY...East winds to 25 knots. Wind waves 8 feet. Northeast
swell 4 feet increasing to 6 feet in the afternoon. Isolated
showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northeast swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. Northeast swell
5 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Northeast
swell 5 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 5 to 6 feet.
Northeast swell 3 to 5 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 to 5 feet. Northeast
swell 3 feet. Isolated showers.

$$


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