558
FZHW50 PHFO 301558
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
557 AM HST Sat Aug 30 2025

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

PHZ100-310400-
557 AM HST Sat Aug 30 2025

.Synopsis for Hawaiian coastal waters...
 A ridge of high pressure north of the state will gradually shift
further south during the next day or so in response to a
developing low far north of the state.

$$

PHZ110-310400-
Kauai Northwest Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail:
East 3 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers.
.SUNDAY NIGHT...East northeast winds to 10 knots. Seas 3 to
4 feet. Isolated showers.
.MONDAY...East northeast winds to 10 knots. Seas 3 to 5 feet.
Wave Detail: North 4 feet at 13 seconds. Isolated showers in the
morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: North 4 feet at 11 seconds and north northwest 3 feet at
16 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds, north 3 feet at
10 seconds and northwest 3 feet at 14 seconds. Isolated showers
in the morning. Isolated showers through the day.
.WEDNESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: Northwest 3 feet at 12 seconds. Isolated showers in the
morning. Isolated showers after midnight.

$$

PHZ111-310400-
Kauai Windward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY NIGHT...East winds to 10 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.MONDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail:
North 4 feet at 12 seconds and east southeast 3 feet at
5 seconds. Isolated showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: North 4 feet at 11 seconds, east southeast 3 feet at
5 seconds and north northwest 3 feet at 16 seconds. Isolated
showers.
.TUESDAY...East winds to 10 knots. Seas 5 to 6 feet. Wave Detail:
North 4 feet at 10 seconds, east southeast 3 feet at 5 seconds
and northwest 3 feet at 14 seconds. Isolated showers in the
morning. Isolated showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: North 3 feet at 8 seconds, east southeast 3 feet at
11 seconds and northwest 3 feet at 12 seconds. Isolated showers
in the morning. Isolated showers after midnight.

$$

PHZ112-310400-
Kauai Leeward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...Winds variable less than 10 knots, becoming east
northeast 7 to 10 knots after midnight. Seas 3 to 4 feet.
Isolated showers after midnight.
.MONDAY...East northeast winds to 10 knots. Seas 3 to 5 feet.
Wave Detail: North 4 feet at 13 seconds and southeast 3 feet at
5 seconds. Isolated showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: North 4 feet at 11 seconds, southeast 3 feet at 5 seconds
and north northwest 3 feet at 16 seconds. Isolated showers after
midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: Southeast 3 feet at 5 seconds, north 3 feet at 10 seconds
and northwest 3 feet at 14 seconds. Isolated showers through the
night. Isolated showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 3 feet at 5 seconds and northwest 3 feet at
12 seconds.

$$

PHZ113-310400-
Kauai Channel-
557 AM HST Sat Aug 30 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
showers.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Isolated showers.
.SUNDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to
4 feet. Isolated showers.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: North 4 feet at 12 seconds and east southeast 3 feet
at 5 seconds. Isolated showers in the morning.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: North 4 feet at 11 seconds and east
southeast 3 feet at 5 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: North 3 feet at 10 seconds. Isolated showers after
midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
Isolated showers in the morning. Isolated showers after midnight.

$$

PHZ114-310400-
Oahu Windward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: North 4 feet at 12 seconds and east southeast 3 feet at
5 seconds. Isolated showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: North 4 feet at 11 seconds, east southeast 3 feet at
5 seconds and north northwest 3 feet at 16 seconds. Isolated
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds, north 3 feet at
10 seconds and northwest 3 feet at 14 seconds. Isolated showers
after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 11 seconds and northwest 3 feet
at 12 seconds. Isolated showers in the morning. Isolated showers
after midnight.

$$

PHZ115-310400-
Oahu Leeward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 14 seconds. Isolated showers this
morning.
.TONIGHT...East winds 10 to 15 knots. Seas to 3 feet. Isolated
showers after midnight.
.SUNDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
.SUNDAY NIGHT...Winds variable less than 10 knots. Seas 3 to
4 feet. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: North 3 feet at 12 seconds. Isolated showers.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: North 3 feet at 11 seconds. Isolated
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: North 3 feet at 10 seconds. Isolated showers in the
morning.
.WEDNESDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots. Seas 3 to 4 feet.

$$

PHZ116-310400-
Kaiwi Channel-
557 AM HST Sat Aug 30 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 4 seconds. Isolated showers.
.TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds. Isolated showers.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: North 4 feet at 12 seconds and east southeast 3 feet
at 4 seconds. Isolated showers in the morning.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: North 4 feet at 11 seconds, east southeast
3 feet at 4 seconds and north northwest 3 feet at 15 seconds.
Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 4 seconds, north 3 feet at
10 seconds and north northwest 3 feet at 14 seconds. Isolated
showers after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers in the morning. Isolated showers after midnight.

$$

PHZ117-310400-
Maui County Windward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East southeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East southeast 3 feet at 7 seconds. Isolated
showers.
.TONIGHT...East southeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East southeast 3 feet at 5 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers.
.MONDAY...East winds to 15 knots. Seas 3 to 5 feet. Wave Detail:
North 4 feet at 12 seconds and east southeast 3 feet at
4 seconds. Isolated showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: North 4 feet at 11 seconds, east southeast 3 feet at
4 seconds and north northwest 3 feet at 17 seconds. Isolated
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: North 3 feet at 10 seconds, east southeast 3 feet at
11 seconds and northwest 3 feet at 14 seconds. Isolated showers
after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 11 seconds and northwest 3 feet
at 12 seconds. Isolated showers in the morning. Isolated showers
through the day.

$$

PHZ118-310400-
Maui County Leeward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Isolated showers this morning.
.TONIGHT...East winds 10 to 15 knots. Seas to 3 feet.
.SUNDAY...East northeast winds 7 to 10 knots, veering to east
10 to 15 knots in the afternoon. Seas to 2 feet or less.
.SUNDAY NIGHT...East southeast winds 10 to 15 knots, backing to
east northeast 7 to 10 knots after midnight. Seas to 3 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.MONDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated
showers.
.MONDAY NIGHT...East winds 7 to 10 knots, backing to east
northeast 10 to 15 knots after midnight. Seas 3 to 4 feet.
Isolated showers.
.TUESDAY...East winds 7 to 10 knots. Seas 3 to 4 feet.
.WEDNESDAY...East northeast winds 10 to 15 knots, veering to east
7 to 10 knots. Seas 3 to 4 feet.

$$

PHZ119-310400-
Maalaea Bay-
557 AM HST Sat Aug 30 2025

.TODAY...North winds to 20 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 20 knots, becoming north northeast
after midnight. Seas to 2 feet or less.
.SUNDAY...North northeast winds to 15 knots, becoming north in
the afternoon. Seas to 2 feet or less.
.SUNDAY NIGHT...North winds to 15 knots. Seas to 2 feet or less.
.MONDAY...North winds to 20 knots. Seas to 2 feet or less.
.MONDAY NIGHT...North winds to 20 knots, easing to 15 knots after
midnight. Seas to 2 feet or less.
.TUESDAY...North winds to 15 knots, rising to 20 knots in the
afternoon and evening, easing to 15 knots after midnight. Seas to
2 feet or less.
.WEDNESDAY...North winds to 15 knots, rising to 20 knots. Seas to
2 feet or less.

$$

PHZ120-310400-
Pailolo Channel-
557 AM HST Sat Aug 30 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Isolated showers this morning.
.TONIGHT...East northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. Seas to 3 feet in the evening, then to
2 feet or less. Isolated showers.
.SUNDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas to 2 feet or less. Isolated
showers.
.SUNDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
2 feet or less. Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Isolated showers in the morning.
.MONDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated
showers.
.TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon and evening, then becoming east 10 to
15 knots after midnight. Seas to 3 feet. Isolated showers after
midnight.
.WEDNESDAY...East winds 10 to 15 knots, becoming east northeast
15 to 20 knots. Seas to 3 feet. Isolated showers in the morning.
Isolated showers after midnight.

$$

PHZ121-310400-
Alenuihaha Channel-
557 AM HST Sat Aug 30 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
3 feet at 4 seconds. Isolated showers.
.SUNDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas to 3 feet. Wave Detail: East
3 feet at 4 seconds. Isolated showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 4 seconds. Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers in the
morning.
.MONDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon and evening, then becoming east 10 to
15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
3 feet at 4 seconds. Isolated showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers
in the morning. Isolated showers after midnight.

$$

PHZ122-310400-
Big Island Windward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds and south 3 feet at
14 seconds. Isolated showers.
.TONIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 7 seconds. Scattered
showers.
.SUNDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 6 seconds. Scattered
showers, mainly in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 6 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: North 4 feet at 12 seconds.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: North 4 feet at 12 seconds and east southeast 3 feet at
11 seconds. Isolated showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: North 3 feet at 10 seconds, east southeast 3 feet at
11 seconds and north northwest 3 feet at 14 seconds. Isolated
showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 11 seconds and northwest 3 feet
at 12 seconds. Isolated showers in the morning. Isolated showers
through the day.

$$

PHZ123-310400-
Big Island Leeward Waters-
557 AM HST Sat Aug 30 2025

.TODAY...West of the Big Island, north northwest winds 10 to
15 knots, backing to west northwest 7 to 10 knots this afternoon.
Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: Southeast 3 feet at 4 seconds and south 3 feet at
14 seconds. Hazy. Isolated showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...East 15 to 20 knots near South Point. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots, becoming southwest 7 to 10 knots in the afternoon. Near
South Point, east winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds. Isolated showers.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...East to 15 knots near South Point. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers.
.MONDAY...West of the Big Island, winds variable less than
10 knots, becoming west southwest 7 to 10 knots in the afternoon.
Near South Point, east winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.MONDAY NIGHT...West of the Big Island, south southwest winds
7 to 10 knots in the evening, becoming variable less than
10 knots. Near South Point, east winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...East to 15 knots near South Point. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 10 to 15 knots, rising to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
East southeast 3 feet at 4 seconds. Isolated showers in the
morning. Isolated showers after midnight.

$$

PHZ124-310400-
Big Island Southeast Waters-
557 AM HST Sat Aug 30 2025

.TODAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 7 seconds and south 3 feet at
14 seconds. Isolated showers.
.TONIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East southeast 4 feet at 7 seconds. Scattered showers.
.SUNDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East southeast 4 feet at 6 seconds. Scattered showers, mainly in
the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.MONDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 5 seconds.
.MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated
showers after midnight.
.TUESDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated
showers in the morning. Isolated showers through the day.

$$