516
FZHW50 PHFO 070122
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
321 PM HST Mon Oct 6 2025

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

PHZ100-071400-
321 PM HST Mon Oct 6 2025

.Synopsis for Hawaiian coastal waters...
 A trough draped from northeast to southwest midway across the
Hawaiian coastal waters is slowing its southeastward descent as
it moves over the Kaiwi Channel this afternoon. Another trough
northeast of the coastal waters will slowly drift west over the
next few days, further weakening the winds. By the end of the
week, high pressure builds far northeast and drifts southeast.

$$

PHZ110-071400-
Kauai Northwest Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: North 4 feet at 14 seconds and east 3 feet at 7 seconds.
Isolated showers.
.TUESDAY...East winds 7 to 10 knots. Seas to 3 feet in the
morning, then to 2 feet or less. Isolated showers.
.TUESDAY NIGHT...East southeast winds 10 to 15 knots, veering to
southeast 7 to 10 knots after midnight. Seas to 3 feet. Scattered
showers.
.WEDNESDAY...Winds variable less than 10 knots. Seas to 3 feet.
Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to
3 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Seas to 3 feet.
Scattered showers.
.THURSDAY NIGHT...Winds variable less than 10 knots, becoming
south southeast 7 to 10 knots after midnight. Seas 3 to 4 feet.
Scattered showers.
.FRIDAY...East southeast winds 7 to 10 knots in the morning,
becoming variable less than 10 knots, then becoming east
northeast to 10 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet
at 6 seconds. Scattered showers.
.SATURDAY...East winds to 10 knots, backing to east northeast.
Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and
northwest 3 feet at 12 seconds. Scattered showers in the morning.
Isolated showers through the night, then scattered showers after
midnight.

$$

PHZ111-071400-
Kauai Windward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...Northeast winds 7 to 10 knots. Seas 4 to 5 feet,
subsiding to 3 feet after midnight. Wave Detail: North 4 feet at
14 seconds. Isolated showers.
.TUESDAY...Winds variable less than 10 knots, becoming east
southeast 7 to 10 knots in the afternoon. Seas to 3 feet in the
morning, then to 2 feet or less. Wave Detail: North 3 feet at
12 seconds. Scattered showers.
.TUESDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet.
Scattered showers.
.WEDNESDAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered
showers.
.WEDNESDAY NIGHT...South southwest winds 7 to 10 knots. Seas to
3 feet. Scattered showers.
.THURSDAY...South winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 9 seconds. Scattered showers.
.THURSDAY NIGHT...South southeast winds 7 to 10 knots. Seas to
4 feet. Wave Detail: East southeast 3 feet at 8 seconds.
Scattered showers.
.FRIDAY...Winds variable less than 10 knots, becoming east 7 to
10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at
6 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: East 4 feet at 6 seconds and northwest 3 feet at
12 seconds. Scattered showers in the morning, then isolated
showers through the night. Scattered showers after midnight.

$$

PHZ112-071400-
Kauai Leeward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: North northwest 4 feet at 14 seconds and east northeast
3 feet at 4 seconds. Scattered showers this evening. Isolated
showers after midnight.
.TUESDAY...East winds 7 to 10 knots. Seas to 2 feet or less.
Scattered showers.
.TUESDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 2 feet or
less. Scattered showers.
.WEDNESDAY...South winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. Seas to 2 feet or less. Scattered
showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to
2 feet or less, then to 3 feet after midnight. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Seas to 3 feet.
Scattered showers.
.THURSDAY NIGHT...Winds variable less than 10 knots, becoming
southeast to 10 knots after midnight. Seas to 3 feet. Scattered
showers.
.FRIDAY...East southeast winds 7 to 10 knots, backing to east
northeast 10 to 15 knots. Seas 3 to 5 feet. Wave Detail:
Southeast 3 feet at 6 seconds. Scattered showers through the
night, then isolated showers through the day.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to
6 feet. Wave Detail: East southeast 4 feet at 6 seconds and
northwest 3 feet at 12 seconds. Isolated showers in the morning.
Isolated showers through the day.

$$

PHZ113-071400-
Kauai Channel-
322 PM HST Mon Oct 6 2025

.TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: North 4 feet at 14 seconds and east northeast 3 feet at
4 seconds. Scattered showers.
.TUESDAY...East southeast winds 7 to 10 knots. Seas to 2 feet or
less. Scattered showers.
.TUESDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 2 feet or
less. Scattered showers.
.WEDNESDAY...South winds to 10 knots. Seas to 2 feet or less,
then to 3 feet in the afternoon. Scattered showers.
.WEDNESDAY NIGHT...South winds to 10 knots. Seas to 3 feet.
Scattered showers.
.THURSDAY...South winds to 10 knots. Seas 3 to 4 feet. Scattered
showers.
.THURSDAY NIGHT...Winds variable less than 10 knots, becoming
southeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 6 seconds. Scattered showers.
.FRIDAY...Winds variable less than 10 knots, becoming east
northeast 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East
southeast 4 feet at 6 seconds. Isolated showers.
.SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at
6 seconds. Isolated showers.

$$

PHZ114-071400-
Oahu Windward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...Northeast winds 10 to 15 knots, veering to east 7 to
10 knots after midnight. Seas 4 to 5 feet, subsiding to 3 feet
after midnight. Wave Detail: North northwest 3 feet at
14 seconds. Scattered showers.
.TUESDAY...East southeast winds 7 to 10 knots. Seas to 3 feet in
the morning, then to 2 feet or less. Wave Detail: North 3 feet at
12 seconds. Scattered showers.
.TUESDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet.
Scattered showers.
.WEDNESDAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered
showers.
.WEDNESDAY NIGHT...South winds 7 to 10 knots. Seas to 3 feet.
Scattered showers.
.THURSDAY...South southeast winds 7 to 10 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 9 seconds.
Scattered showers.
.THURSDAY NIGHT...East southeast winds 7 to 10 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers.
.FRIDAY...East southeast winds 7 to 10 knots, backing to east
10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at
6 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: East southeast 4 feet at 6 seconds and northwest 3 feet
at 12 seconds. Scattered showers in the morning, then isolated
showers through the night. Scattered showers after midnight.

$$

PHZ115-071400-
Oahu Leeward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet
this evening, then to 2 feet or less. Wave Detail: North
northwest 3 feet at 14 seconds. Scattered showers.
.TUESDAY...East southeast winds 10 to 15 knots, veering to
southeast 7 to 10 knots in the afternoon. Seas to 2 feet or less.
Scattered showers.
.TUESDAY NIGHT...South southeast winds 7 to 10 knots. Seas to
2 feet or less. Scattered showers.
.WEDNESDAY...South winds to 10 knots. Seas to 2 feet or less.
Scattered showers.
.WEDNESDAY NIGHT...South southeast winds 7 to 10 knots. Seas to
2 feet or less, then to 3 feet after midnight. Scattered showers.
.THURSDAY...South southeast winds 7 to 10 knots. Seas to 3 feet.
Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots. Seas to
3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots, becoming east
northeast 10 to 15 knots. Seas 3 to 5 feet. Wave Detail:
Southeast 3 feet at 5 seconds. Isolated showers.
.SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the evening, easing to 10 to 15 knots after midnight.
Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at
6 seconds. Isolated showers in the morning. Isolated showers
through the day.

$$

PHZ116-071400-
Kaiwi Channel-
322 PM HST Mon Oct 6 2025

.TONIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: North northwest 3 feet at 14 seconds. Scattered
showers.
.TUESDAY...East southeast winds 7 to 10 knots. Seas to 3 feet in
the morning, then to 2 feet or less. Scattered showers, mainly in
the morning.
.TUESDAY NIGHT...East winds 7 to 10 knots, veering to south
southeast after midnight. Seas to 3 feet. Scattered showers.
.WEDNESDAY...South southwest winds to 10 knots. Seas to 3 feet.
Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to
3 feet. Scattered showers, mainly in the evening.
.THURSDAY...Winds variable less than 10 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 8 seconds. Isolated
showers.
.THURSDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to
5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated
showers.
.FRIDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at
5 seconds. Isolated showers.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 6 seconds and north northwest
3 feet at 12 seconds. Isolated showers.

$$

PHZ117-071400-
Maui County Windward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...East southeast winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: North northwest 3 feet at 14 seconds. Scattered
showers.
.TUESDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: North northwest 3 feet at 13 seconds. Scattered
showers in the morning. Isolated showers in the afternoon.
.TUESDAY NIGHT...East southeast winds 10 to 15 knots. Seas to
3 feet. Isolated showers in the evening, then scattered showers
after midnight.
.WEDNESDAY...Southeast winds 7 to 10 knots. Seas to 3 feet.
Scattered showers.
.WEDNESDAY NIGHT...Southeast winds 7 to 10 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 9 seconds. Scattered showers.
.THURSDAY...Southeast winds to 10 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 9 seconds. Scattered showers.
.THURSDAY NIGHT...East southeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers.
.FRIDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated
showers, then scattered showers after midnight.
.SATURDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave
Detail: East southeast 4 feet at 5 seconds and northwest 3 feet
at 12 seconds. Scattered showers in the morning, then isolated
showers through the night. Scattered showers after midnight.

$$

PHZ118-071400-
Maui County Leeward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet
this evening, then to 2 feet or less. Scattered showers.
.TUESDAY...East southeast winds 10 to 15 knots. Seas to 2 feet or
less. Scattered showers, mainly in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, veering to south
southeast 7 to 10 knots after midnight. Seas to 2 feet or less.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...South winds 7 to 10 knots. Seas to 2 feet or less.
Isolated showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to
2 feet or less, then to 3 feet after midnight. Isolated showers.
.THURSDAY...Winds variable less than 10 knots. Seas 3 to 4 feet.
Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots, becoming
east 7 to 10 knots after midnight. Seas 3 to 4 feet. Isolated
showers.
.FRIDAY...East northeast winds 7 to 10 knots, veering to east
10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.SATURDAY...Northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East
southeast 3 feet at 6 seconds. Isolated showers in the morning.
Isolated showers through the day.

$$

PHZ119-071400-
Maalaea Bay-
322 PM HST Mon Oct 6 2025

.TONIGHT...North winds 7 to 10 knots. Seas to 2 feet or less.
Isolated showers.
.TUESDAY...Winds variable less than 10 knots, becoming south
southwest 7 to 10 knots in the afternoon. Seas to 2 feet or less.
Isolated showers.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots, backing to
southeast 7 to 10 knots after midnight. Seas to 2 feet or less.
Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots. Seas to 2 feet or
less. Isolated showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to
2 feet or less. Isolated showers in the evening.
.THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or
less. Isolated showers in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots. Seas to
2 feet or less. Isolated showers in the evening.
.FRIDAY...Winds variable less than 10 knots. Seas to 2 feet or
less.
.SATURDAY...Winds variable less than 10 knots, becoming north
northeast 7 to 10 knots in the afternoon and evening, then
becoming variable less than 10 knots after midnight. Seas to
2 feet or less.

$$

PHZ120-071400-
Pailolo Channel-
322 PM HST Mon Oct 6 2025

.TONIGHT...East winds 7 to 10 knots, becoming 10 to 15 knots
after midnight. Seas to 2 feet or less. Scattered showers, mainly
this evening.
.TUESDAY...East winds 10 to 15 knots. Seas to 2 feet or less.
Scattered showers.
.TUESDAY NIGHT...East winds to 10 knots, veering to south
southeast 7 to 10 knots after midnight. Seas to 2 feet or less.
Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots. Seas to 2 feet or
less. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to
2 feet or less. Scattered showers, mainly in the evening.
.THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or
less, then to 3 feet in the afternoon. Isolated showers in the
morning, then scattered showers in the afternoon.
.THURSDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
3 feet. Isolated showers.
.FRIDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots. Seas to 3 feet. Isolated showers. Scattered showers
after midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Scattered showers in the morning. Isolated showers
through the night, then scattered showers after midnight.

$$

PHZ121-071400-
Alenuihaha Channel-
322 PM HST Mon Oct 6 2025

.TONIGHT...East winds 10 to 15 knots. Seas to 3 feet this
evening, then to 2 feet or less. Isolated showers.
.TUESDAY...East winds 10 to 15 knots, veering to east southeast
7 to 10 knots in the afternoon. Seas to 2 feet or less. Isolated
showers.
.TUESDAY NIGHT...East southeast winds 7 to 10 knots. Seas to
2 feet or less. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots, becoming east
7 to 10 knots in the afternoon. Seas to 2 feet or less. Isolated
showers.
.WEDNESDAY NIGHT...East southeast winds 7 to 10 knots. Seas to
3 feet. Isolated showers.
.THURSDAY...East southeast winds 7 to 10 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 9 seconds. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet
at 13 seconds. Isolated showers.
.FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at
5 seconds. Isolated showers.
.SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers.

$$

PHZ122-071400-
Big Island Windward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...East winds 10 to 15 knots, becoming 7 to 10 knots
after midnight. Seas 3 to 4 feet. Wave Detail: North northwest
3 feet at 14 seconds.
.TUESDAY...East winds 7 to 10 knots. Seas to 2 feet or less.
Isolated showers in the afternoon.
.TUESDAY NIGHT...East southeast winds 7 to 10 knots. Seas to
3 feet. Isolated showers.
.WEDNESDAY...Southeast winds 7 to 10 knots. Seas to 3 feet.
Isolated showers in the morning. Scattered showers in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 9 seconds. Isolated showers.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 9 seconds and south southwest 3 feet
at 14 seconds. Isolated showers in the morning. Scattered showers
in the afternoon.
.THURSDAY NIGHT...East southeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 9 seconds and south 3 feet at
13 seconds. Isolated showers in the evening, then scattered
showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: East 4 feet at 5 seconds and south 3 feet at 13 seconds.
Isolated showers, then scattered showers after midnight.
.SATURDAY...East northeast winds 10 to 15 knots, becoming east
15 to 20 knots in the afternoon, then becoming east northeast
10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast
4 feet at 6 seconds. Scattered showers in the morning, then
isolated showers through the night. Scattered showers after
midnight.

$$

PHZ123-071400-
Big Island Leeward Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...South winds 7 to 10 knots, backing to south southeast
10 to 15 knots after midnight. Seas to 3 feet this evening, then
to 2 feet or less. Isolated showers.
.TUESDAY...South southeast winds 10 to 15 knots. Seas to 2 feet
or less.
.TUESDAY NIGHT...South southeast winds 10 to 15 knots, backing to
east after midnight. Seas to 2 feet or less. Isolated showers.
.WEDNESDAY...East winds 7 to 10 knots. Seas to 2 feet or less.
Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 7 to 10 knots. Seas 3 to
4 feet. Isolated showers.
.THURSDAY...East northeast winds 7 to 10 knots, backing to
northeast 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 5 seconds and south
southwest 3 feet at 13 seconds. Isolated showers.
.FRIDAY...North northeast winds 10 to 15 knots, veering to east
southeast in the evening, then becoming east 15 to 20 knots after
midnight. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at
5 seconds and south southwest 3 feet at 13 seconds. Isolated
showers.
.SATURDAY...North northeast winds 15 to 20 knots, becoming
southeast 10 to 15 knots in the afternoon, then becoming
northeast 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East
4 feet at 5 seconds. Isolated showers in the morning. Isolated
showers through the day.

$$

PHZ124-071400-
Big Island Southeast Waters-
322 PM HST Mon Oct 6 2025

.TONIGHT...East winds 10 to 15 knots. Seas to 3 feet this
evening, then to 2 feet or less.
.TUESDAY...East northeast winds to 10 knots. Seas to 2 feet or
less.
.TUESDAY NIGHT...East winds 7 to 10 knots. Seas to 2 feet or
less. Isolated showers in the evening, then scattered showers
after midnight.
.WEDNESDAY...East southeast winds 7 to 10 knots. Seas to 2 feet
or less. Isolated showers.
.WEDNESDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 9 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 9 seconds and south southwest 3 feet at
14 seconds. Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 9 seconds and south southwest 3 feet
at 13 seconds. Scattered showers.
.FRIDAY...East northeast winds 10 to 15 knots, rising to 20 knots
after midnight. Seas 4 to 6 feet. Wave Detail: East 4 feet at
6 seconds and south southwest 3 feet at 13 seconds. Scattered
showers through the night, then isolated showers in the evening.
Scattered showers after midnight.
.SATURDAY...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers
in the morning. Isolated showers through the night, then
scattered showers after midnight.

$$