600
FZHW50 PHFO 221334
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
332 AM HST Mon Sep 22 2025

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

PHZ100-230200-
332 AM HST Mon Sep 22 2025

.Synopsis for Hawaiian coastal waters...
 High pressure north of the islands weakens leading to decreasing
trade winds through midweek. Developing low pressure northeast of
Hawaii further weakens the trades late this week.

$$

PHZ110-230200-
Kauai Northwest Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 7 seconds. Isolated showers.
.TONIGHT...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers in
the evening, then scattered showers after midnight.
.TUESDAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 6 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 1 foot at 5 seconds. Scattered
showers, mainly in the morning.
.WEDNESDAY NIGHT...East northeast winds to 15 knots, easing to
10 knots after midnight. Seas to 2 feet or less, then to 3 feet
after midnight. Wave Detail: East 3 feet at 5 seconds and north
3 feet at 9 seconds. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...Northeast winds 7 to 10 knots, becoming variable less
than 10 knots. Seas 4 to 6 feet. Wave Detail: North northeast
5 feet at 9 seconds. Scattered showers.
.FRIDAY...North northeast winds 7 to 10 knots, becoming variable
less than 10 knots. Seas to 6 feet. Wave Detail: North northeast
4 feet at 15 seconds. Scattered showers.

$$

PHZ111-230200-
Kauai Windward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 7 seconds. Isolated showers.
.TONIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 6 seconds. Scattered showers, mainly
in the evening.
.TUESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 6 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East 2 feet at 6 seconds. Isolated
showers in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 5 seconds. Scattered
showers, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds to 10 knots. Seas to 2 feet or
less, then to 3 feet after midnight. Wave Detail: East 3 feet at
4 seconds and north 3 feet at 9 seconds. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Seas 4 to 6 feet.
Wave Detail: North northeast 5 feet at 9 seconds. Scattered
showers.
.FRIDAY...Winds variable less than 10 knots. Seas to 6 feet. Wave
Detail: North northeast 4 feet at 15 seconds. Scattered showers.

$$

PHZ112-230200-
Kauai Leeward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers
this morning.
.TONIGHT...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers.
.TUESDAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers in
the morning.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East 2 feet at 6 seconds. Isolated
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 5 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East 2 feet at 5 seconds and north
2 feet at 9 seconds. Isolated showers.
.THURSDAY...East northeast winds 7 to 10 knots, becoming variable
less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 5 feet
at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 4 to 5 feet.
Wave Detail: North 4 feet at 15 seconds. Scattered showers.

$$

PHZ113-230200-
Kauai Channel-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds to 15 knots. Seas to 2 feet or
less, then to 3 feet this afternoon. Wave Detail: East 3 feet at
6 seconds. Isolated showers this morning.
.TONIGHT...East northeast winds to 15 knots. Seas to 3 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers.
.TUESDAY...East northeast winds to 15 knots. Seas to 3 feet in
the morning, then to 2 feet or less. Wave Detail: East 3 feet at
5 seconds. Isolated showers in the morning.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East northeast 2 feet at 5 seconds.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East northeast 2 feet at 5 seconds. Scattered
showers, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds to 15 knots, easing to
10 knots after midnight. Seas to 2 feet or less. Wave Detail:
East northeast 2 feet at 4 seconds and north 2 feet at 9 seconds.
Isolated showers.
.THURSDAY...Northeast winds 7 to 10 knots, becoming variable less
than 10 knots. Seas 4 to 6 feet. Wave Detail: North northeast
5 feet at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 5 to 6 feet.
Wave Detail: North northeast 4 feet at 9 seconds. Scattered
showers.

$$

PHZ114-230200-
Oahu Windward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 7 seconds. Isolated showers.
.TONIGHT...East northeast winds to 15 knots. Seas to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet in
the morning, then to 2 feet or less. Wave Detail: East 3 feet at
6 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East 1 foot at 5 seconds. Isolated
showers in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 1 foot at 5 seconds. Scattered
showers, mainly in the morning.
.WEDNESDAY NIGHT...East northeast winds to 10 knots. Seas to
2 feet or less. Wave Detail: East 2 feet at 4 seconds and north
2 feet at 9 seconds. Isolated showers.
.THURSDAY...Winds variable less than 10 knots. Seas 4 to 6 feet.
Wave Detail: North 5 feet at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 5 to 6 feet.
Wave Detail: North northeast 5 feet at 15 seconds. Scattered
showers .

$$

PHZ115-230200-
Oahu Leeward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East southeast 2 feet at 6 seconds.
.TONIGHT...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 5 seconds.
.TUESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 5 seconds.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 5 seconds. Isolated showers
after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East southeast 2 feet at 4 seconds.
Isolated showers in the morning.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East 2 feet at 4 seconds and north
2 feet at 9 seconds.
.THURSDAY...East northeast winds 7 to 10 knots in the morning,
becoming variable less than 10 knots. Seas 3 to 5 feet. Wave
Detail: North 4 feet at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 3 to 5 feet.
Wave Detail: North 3 feet at 15 seconds. Isolated showers through
the night, then scattered showers in the evening. Isolated
showers after midnight.

$$

PHZ116-230200-
Kaiwi Channel-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers
this afternoon.
.TONIGHT...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 5 seconds. Isolated showers.
.TUESDAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East northeast 2 feet at 5 seconds.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East northeast 2 feet at 5 seconds.
Isolated showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East northeast 2 feet at 4 seconds. Scattered
showers in the morning.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: North 2 feet at 9 seconds. Isolated
showers.
.THURSDAY...Winds variable less than 10 knots. Seas 3 to 5 feet.
Wave Detail: North 5 feet at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 3 to 5 feet.
Wave Detail: North northeast 5 feet at 10 seconds. Isolated
showers.

$$

PHZ117-230200-
Maui County Windward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East winds to 15 knots. Seas to 2 feet or less. Wave
Detail: East 2 feet at 6 seconds. Isolated showers this morning,
then scattered showers this afternoon.
.TONIGHT...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas to 2 feet or less.
Wave Detail: East 2 feet at 5 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East 1 foot at 4 seconds. Scattered
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Scattered showers, mainly in the morning.
.WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
2 feet or less. Wave Detail: North 2 feet at 9 seconds. Isolated
showers.
.THURSDAY...Winds variable less than 10 knots, becoming southeast
7 to 10 knots in the evening, then becoming variable less than
10 knots after midnight. Seas 4 to 6 feet. Wave Detail: North
5 feet at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 5 to 6 feet.
Wave Detail: North northeast 5 feet at 15 seconds. Isolated
showers.

$$

PHZ118-230200-
Maui County Leeward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East southeast 2 feet at 6 seconds.
.TONIGHT...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East southeast 2 feet at 5 seconds. Isolated
showers after midnight.
.TUESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East southeast 2 feet at 5 seconds.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East southeast 2 feet at 5 seconds.
Isolated showers after midnight.
.WEDNESDAY...Northeast winds 7 to 10 knots. Seas to 2 feet or
less.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots, becoming
7 to 10 knots after midnight. Seas to 2 feet or less. Wave
Detail: North 2 feet at 9 seconds. Isolated showers after
midnight.
.THURSDAY...East winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North
3 feet at 9 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 3 to 4 feet.
Wave Detail: North 3 feet at 11 seconds. Isolated showers.

$$

PHZ119-230200-
Maalaea Bay-
333 AM HST Mon Sep 22 2025

.TODAY...North winds 15 to 20 knots. Seas to 2 feet or less.
.TONIGHT...North northeast winds 15 to 20 knots. Seas to 2 feet
or less.
.TUESDAY...North winds 15 to 20 knots. Seas to 2 feet or less.
.TUESDAY NIGHT...North winds 15 to 20 knots. Seas to 2 feet or
less.
.WEDNESDAY...North winds to 15 knots. Seas to 2 feet or less.
.WEDNESDAY NIGHT...North northeast winds to 15 knots, becoming
east northeast after midnight. Seas to 2 feet or less.
.THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or
less. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas to 2 feet or
less. Isolated showers in the morning. Isolated showers through
the day.

$$

PHZ120-230200-
Pailolo Channel-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 4 seconds. Isolated showers
this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 4 seconds. Isolated showers in
the evening. Scattered showers after midnight.
.TUESDAY...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Isolated showers in the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas to 2 feet or less. Isolated
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Isolated showers in the morning.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Isolated showers after midnight.
.THURSDAY...East winds to 10 knots in the morning, becoming
variable less than 10 knots. Seas to 2 feet or less. Isolated
showers.
.FRIDAY...Winds variable less than 10 knots, becoming west
southwest 7 to 10 knots in the afternoon, then becoming variable
less than 10 knots. Seas 3 to 4 feet. Isolated showers.

$$

PHZ121-230200-
Alenuihaha Channel-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 6 seconds. Isolated showers
this morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East northeast 2 feet at 5 seconds. Scattered
showers in the evening. Isolated showers after midnight.
.TUESDAY...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East northeast 2 feet at 5 seconds and south
southwest 2 feet at 15 seconds. Isolated showers in the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas to 2 feet or less. Wave
Detail: East 2 feet at 5 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 4 seconds. Isolated showers
in the morning. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Isolated showers.
.THURSDAY...East winds 10 to 15 knots in the morning, becoming
variable less than 10 knots. Seas 3 to 4 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Seas 3 to 4 feet.
Isolated showers.

$$

PHZ122-230200-
Big Island Windward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East winds 10 to 15 knots. Seas to 2 feet or less. Wave
Detail: East southeast 2 feet at 7 seconds. Isolated showers this
morning. Scattered showers this afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas to 2 feet or less.
Wave Detail: East 2 feet at 7 seconds. Scattered showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 7 seconds and south southwest
2 feet at 15 seconds. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: South southwest 2 feet at 14 seconds.
Isolated showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas to 2 feet or
less. Isolated showers in the morning, then scattered showers in
the afternoon.
.WEDNESDAY NIGHT...East northeast winds 7 to 10 knots in the
evening, becoming variable less than 10 knots. Seas to 2 feet or
less. Wave Detail: North 2 feet at 10 seconds. Isolated showers.
.THURSDAY...Winds variable less than 10 knots, becoming southeast
7 to 10 knots. Seas 4 to 6 feet. Wave Detail: North 5 feet at
9 seconds. Isolated showers.
.FRIDAY...Southeast winds 7 to 10 knots, becoming variable less
than 10 knots. Seas 5 to 6 feet. Wave Detail: North northeast
5 feet at 10 seconds.

$$

PHZ123-230200-
Big Island Leeward Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East winds 15 to 20 knots. Seas to 2 feet or less. Wave
Detail: East southeast 2 feet at 5 seconds. Isolated showers this
morning. Hazy.
.TONIGHT...East southeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 5 seconds. Isolated showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 4 seconds and south southwest
2 feet at 15 seconds. Isolated showers.
.TUESDAY NIGHT...East southeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East northeast 2 feet at 5 seconds
and south southwest 2 feet at 14 seconds. Isolated showers in the
evening. Scattered showers after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots, backing to north
northwest 7 to 10 knots in the afternoon. Seas to 2 feet or less.
Wave Detail: East 2 feet at 4 seconds. Isolated showers.
.WEDNESDAY NIGHT...Southeast winds 7 to 10 knots, becoming 10 to
15 knots after midnight. Seas to 2 feet or less. Isolated
showers.
.THURSDAY...East southeast winds 7 to 10 knots. Seas 3 to 4 feet.
Isolated showers.
.FRIDAY...East southeast winds 7 to 10 knots in the morning,
becoming variable less than 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 15 seconds. Isolated showers.

$$

PHZ124-230200-
Big Island Southeast Waters-
333 AM HST Mon Sep 22 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 2 feet or
less. Wave Detail: East southeast 2 feet at 5 seconds. Isolated
showers this morning.
.TONIGHT...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 7 seconds. Isolated showers.
.TUESDAY...East northeast winds to 15 knots. Seas to 2 feet or
less. Wave Detail: East 2 feet at 5 seconds and south southwest
2 feet at 15 seconds. Isolated showers in the morning.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 5 seconds and south
southwest 2 feet at 14 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less. Wave Detail: East 2 feet at 4 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Wave Detail: East southeast 2 feet at 4 seconds.
Isolated showers.
.THURSDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated
showers.
.FRIDAY...East winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. Seas 3 to 4 feet.

$$