177
FZHW50 PHFO 181319
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
319 AM HST Fri Oct 18 2024

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

PHZ100-190230-
319 AM HST Fri Oct 18 2024

.Synopsis for Hawaiian coastal waters...
A surface ridge north of the area will remain weak today, briefly
strengthen over the weekend, then weaken once again early next
week.

$$

PHZ110-190230-
Kauai Northwest Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East southeast winds 7 to 10 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 7 seconds and north northwest 3 feet
at 11 seconds. Isolated showers.
.TONIGHT...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 7 seconds and north northwest 3 feet at
13 seconds. Isolated showers.
.SATURDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots in the afternoon. Seas 4 to 5 feet. Wave Detail:
East 4 feet at 7 seconds and north northwest 3 feet at
12 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 7 seconds and northwest 3 feet at
11 seconds. Isolated showers.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds and northwest 3 feet at
10 seconds. Isolated showers in the morning.
.SUNDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 7 seconds and north northwest 3 feet at
10 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 7 seconds. Isolated showers.
.TUESDAY...East winds 7 to 10 knots, becoming 10 to 15 knots
after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at
6 seconds. Isolated showers.

$$

PHZ111-190230-
Kauai Windward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East southeast winds to 10 knots. Seas 4 to 6 feet,
subsiding to 3 to 4 feet this afternoon. Wave Detail: East 4 feet
at 7 seconds and north northwest 3 feet at 11 seconds. Isolated
showers.
.TONIGHT...East southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 7 seconds and northwest 3 feet at
13 seconds. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: East 4 feet at 7 seconds and northwest 3 feet at
12 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave
Detail: East 5 feet at 7 seconds and northwest 3 feet at
11 seconds. Isolated showers.
.SUNDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail:
East 5 feet at 7 seconds and northwest 3 feet at 10 seconds.
Isolated showers in the morning.
.SUNDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 7 seconds and northwest 3 feet at
10 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave Detail:
East southeast 5 feet at 7 seconds and north northwest 3 feet at
10 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: East 4 feet at 7 seconds. Isolated showers.

$$

PHZ112-190230-
Kauai Leeward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...Winds variable less than 10 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 6 seconds, southeast 3 feet
at 9 seconds and north northwest 3 feet at 11 seconds. Isolated
showers.
.TONIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 6 seconds, southeast 3 feet at 9 seconds
and north northwest 3 feet at 12 seconds. Isolated showers.
.SATURDAY...East northeast winds to 10 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 3 feet at 6 seconds and north
northwest 3 feet at 12 seconds.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 5 feet at 6 seconds and northwest
3 feet at 11 seconds.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds and northwest 3 feet
at 10 seconds.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers in the
afternoon.
.TUESDAY...East winds 7 to 10 knots, becoming 10 to 15 knots
after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at
5 seconds. Isolated showers after midnight.

$$

PHZ113-190230-
Kauai Channel-
319 AM HST Fri Oct 18 2024

.TODAY...East winds 7 to 10 knots, becoming 10 to 15 knots this
afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet
at 6 seconds and north northwest 3 feet at 11 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 6 seconds. Isolated showers in the
evening.
.SATURDAY...East winds 7 to 10 knots, becoming east northeast to
15 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East
southeast 4 feet at 6 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.SUNDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 6 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers.
.TUESDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at
5 seconds. Isolated showers.

$$

PHZ114-190230-
Oahu Windward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East southeast winds to 15 knots. Seas 4 to 6 feet. Wave
Detail: East southeast 4 feet at 7 seconds and north northwest
3 feet at 11 seconds. Isolated showers.
.TONIGHT...East southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 7 seconds and northwest 3 feet at
14 seconds. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds and northwest 3 feet
at 12 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 6 seconds and northwest 3 feet at
11 seconds. Isolated showers.
.SUNDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail:
East 5 feet at 7 seconds and northwest 3 feet at 11 seconds.
Isolated showers in the morning.
.SUNDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave
Detail: East 5 feet at 7 seconds and northwest 3 feet at
10 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave Detail:
East southeast 5 feet at 7 seconds. Isolated showers.
.TUESDAY...East winds to 10 knots, becoming 10 to 15 knots. Seas
to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds.
Isolated showers.

$$

PHZ115-190230-
Oahu Leeward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail:
East southeast 3 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 10 to 15 knots, veering to east
7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
southeast 3 feet at 5 seconds. Isolated showers in the evening.
.SATURDAY...Northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers in
the morning.
.SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds.
.SUNDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 6 seconds.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds.
.TUESDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at
5 seconds. Isolated showers after midnight.

$$

PHZ116-190230-
Kaiwi Channel-
319 AM HST Fri Oct 18 2024

.TODAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds and north
northwest 3 feet at 11 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers in the
evening.
.SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East
4 feet at 6 seconds and north northwest 3 feet at 12 seconds.
Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 5 seconds and north northwest
3 feet at 11 seconds. Isolated showers.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East northeast 5 feet at 5 seconds. Isolated
showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers.

$$

PHZ117-190230-
Maui County Windward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East southeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East southeast 5 feet at 7 seconds and north
northwest 3 feet at 11 seconds. Isolated showers.
.TONIGHT...East southeast winds to 15 knots. Seas to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds and northwest 3 feet
at 13 seconds. Isolated showers.
.SATURDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East southeast 4 feet at 7 seconds and northwest 3 feet at
12 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East southeast 5 feet at 7 seconds and northwest
3 feet at 11 seconds. Isolated showers.
.SUNDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East southeast 5 feet at 7 seconds and northwest 3 feet
at 11 seconds. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds and northwest 3 feet
at 10 seconds. Isolated showers.
.MONDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East southeast 4 feet at 7 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds. Isolated showers.

$$

PHZ118-190230-
Maui County Leeward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers this
afternoon.
.TONIGHT...East winds 10 to 15 knots, backing to north northeast
after midnight. Seas 3 to 4 feet. Wave Detail: East southeast
3 feet at 5 seconds. Isolated showers in the evening.
.SATURDAY...Northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds.
.SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 6 seconds.
.SUNDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 4 feet at 6 seconds.
.MONDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds.
.TUESDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots after midnight. Seas to 3 feet.

$$

PHZ119-190230-
Maalaea Bay-
319 AM HST Fri Oct 18 2024

.TODAY...North winds to 20 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 20 knots. Seas to 2 feet or less.
.SATURDAY...North northeast winds 20 to 25 knots. Seas to 2 feet
or less.
.SATURDAY NIGHT...North winds to 25 knots. Seas to 2 feet or
less. Wave Detail: North northeast 2 feet at 3 seconds.
.SUNDAY...North northeast winds 20 to 25 knots. Seas to 2 feet or
less.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas to 2 feet or
less.
.MONDAY...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
evening, easing to 15 knots after midnight. Seas to 2 feet or
less.

$$

PHZ120-190230-
Pailolo Channel-
319 AM HST Fri Oct 18 2024

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Scattered showers in the
evening. Isolated showers after midnight.
.SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
3 feet at 4 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers
after midnight.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 4 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots, becoming east
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 evening, easing to 10 to 15 knots after midnight.
Seas 3 to 4 feet. Isolated showers in the morning. Isolated
showers in the evening, then scattered showers after midnight.

$$

PHZ121-190230-
Alenuihaha Channel-
319 AM HST Fri Oct 18 2024

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers in the
evening.
.SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas 3 to 4 feet, building to 4 to
6 feet in the afternoon. Wave Detail: East 6 feet at 6 seconds.
Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 3 to 5 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 evening, easing to 10 to 15 knots after midnight.
Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated
showers.

$$

PHZ122-190230-
Big Island Windward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: East southeast 4 feet at 8 seconds and north 3 feet at
11 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: East southeast 4 feet at 8 seconds. Isolated showers.
.SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: East
southeast 4 feet at 8 seconds and northwest 3 feet at 12 seconds.
Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Wave Detail: East southeast 4 feet at 8 seconds and
northwest 3 feet at 11 seconds. Isolated showers.
.SUNDAY...East northeast winds 15 to 20 knots. Seas to 5 feet.
Wave Detail: East southeast 4 feet at 7 seconds. Isolated showers
in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: East 4 feet at 7 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 3 feet at 7 seconds. Isolated
showers.

$$

PHZ123-190230-
Big Island Leeward Waters-
319 AM HST Fri Oct 18 2024

.TODAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 15 to 20 knots,
veering to east this afternoon. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 5 seconds and southeast 3 feet at 9 seconds.
Isolated showers this morning.
.TONIGHT...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 15 to 20 knots, becoming
east northeast 10 to 15 knots after midnight. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 5 seconds. Isolated showers in the
evening.
.SATURDAY...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 northeast winds 10 to 15 knots, becoming
east 20 to 25 knots in the afternoon. Seas 3 to 5 feet. Wave
Detail: East northeast 4 feet at 6 seconds.
.SATURDAY NIGHT...West of the Big Island, winds variable less
than 10 knots, becoming north northwest 7 to 10 knots after
midnight. Near South Point, east winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers after midnight.
.SUNDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 15 to 20 knots,
veering to east in the afternoon. Seas 4 to 6 feet. Wave Detail:
East northeast 5 feet at 5 seconds.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...East northeast 15 to 20 knots near South Point. Seas
3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...East northeast 10 to 15 knots near South Point. Seas
3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated
showers in the afternoon.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...East northeast 10 to 15 knots near South Point. Seas
3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated
showers after midnight.

$$

PHZ124-190230-
Big Island Southeast Waters-
319 AM HST Fri Oct 18 2024

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet.
Wave Detail: East southeast 5 feet at 9 seconds. Isolated
showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East southeast 5 feet at 8 seconds. Isolated
showers.
.SATURDAY...East northeast winds to 15 knots, rising to 20 to
25 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East
6 feet at 6 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to
8 feet. Wave Detail: East 7 feet at 6 seconds. Isolated showers.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 6 to 7 feet.
Wave Detail: East 7 feet at 6 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East northeast winds to 20 knots. Seas 5 to
7 feet. Wave Detail: East 7 feet at 7 seconds. Isolated showers.
.MONDAY...East northeast winds to 20 knots, easing to 15 knots.
Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated
showers.
.TUESDAY...East northeast winds to 15 knots. Seas to 5 feet. Wave
Detail: East 4 feet at 8 seconds. Isolated showers.

$$