fzhw50 phfo 201501
cwfhfo
expires:202608210330;;054112

coastal waters forecast
national weather service honolulu hi
501 am hst thu aug 20 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz113-210330-
kauai channel-
501 am hst thu aug 20 2026

.today...east northeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east northeast 3 feet at 4 seconds. isolated
showers. 
.tonight...northeast winds 10 to 15 knots. seas 4 to 5 feet.
isolated showers in the evening, then scattered showers after
midnight. 
.friday...winds variable less than 10 knots. seas 3 to 5 feet.
scattered showers, mainly in the morning. 
.friday night...east northeast winds 7 to 10 knots, becoming
10 to 15 knots after midnight. seas 3 to 4 feet. wave detail:
east 3 feet at 6 seconds. isolated showers. 
.saturday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 4 to 5 feet. wave detail: east
4 feet at 6 seconds. isolated showers in the morning, then
scattered showers in the afternoon. 
.saturday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: east northeast 6 feet at 6 seconds.
scattered showers. 
.sunday...northeast winds 20 to 25 knots. seas 6 to 8 feet. wave
detail: east northeast 7 feet at 7 seconds and southeast 3 feet
at 13 seconds. scattered showers, then heavy showers likely after
midnight. 
.monday...east northeast winds 15 to 20 knots. seas 6 to 8 feet.
wave detail: east southeast 6 feet at 7 seconds and south
southwest 3 feet at 12 seconds. heavy showers likely in the
morning, then scattered heavy showers in the afternoon. heavy
showers likely through the day.  

$$

fzhw50 phfo 201501
cwfhfo
expires:202608210330;;054113

coastal waters forecast
national weather service honolulu hi
501 am hst thu aug 20 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz114-210330-
oahu windward waters-
501 am hst thu aug 20 2026

.today...east northeast winds 10 to 15 knots. seas to 4 feet.
isolated showers this morning, then scattered showers this
afternoon. 
.tonight...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
scattered showers in the evening, then numerous showers after
midnight. 
.friday...east winds to 10 knots. seas 3 to 5 feet. scattered
showers, mainly in the morning. 
.friday night...east winds to 15 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 5 seconds. scattered showers. 
.saturday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 5 feet at 6 seconds and west northwest 3 feet at
12 seconds. isolated showers in the morning, then scattered
showers in the afternoon. 
.saturday night...east northeast winds to 20 knots. seas 6 to
8 feet. wave detail: east 6 feet at 6 seconds, southeast 3 feet
at 10 seconds and west northwest 3 feet at 12 seconds. scattered
showers. 
.sunday...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east 7 feet at 7 seconds, southeast 3 feet at
10 seconds and west northwest 3 feet at 11 seconds. scattered
showers, then heavy showers likely after midnight. 
.monday...east winds to 20 knots. seas 6 to 8 feet. wave detail:
east southeast 7 feet at 7 seconds and south southwest 3 feet at
12 seconds. heavy showers likely.  

$$

fzhw50 phfo 201501
cwfhfo
expires:202608210330;;054114

coastal waters forecast
national weather service honolulu hi
501 am hst thu aug 20 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz115-210330-
oahu leeward waters-
501 am hst thu aug 20 2026

.today...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east 3 feet at 4 seconds. isolated showers this
afternoon. 
.tonight...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
isolated showers in the evening, then scattered showers after
midnight. 
.friday...winds variable less than 10 knots. seas 3 to 5 feet.
scattered showers, mainly in the morning. 
.friday night...east northeast winds 7 to 10 knots. seas 3 to
5 feet. wave detail: southwest 3 feet at 16 seconds. isolated
showers. 
.saturday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 4 to 6 feet. wave detail: east
4 feet at 6 seconds and southwest 3 feet at 16 seconds. isolated
showers in the morning, then scattered showers in the afternoon. 
.saturday night...east northeast winds to 20 knots. seas 5 to
7 feet. wave detail: east northeast 6 feet at 6 seconds and
southeast 3 feet at 13 seconds. scattered showers. 
.sunday...northeast winds 20 to 25 knots, becoming east northeast
15 to 20 knots after midnight. seas 6 to 9 feet. wave detail:
east 7 feet at 7 seconds and southeast 3 feet at 13 seconds.
scattered showers through the night, then heavy showers likely
through the day. 
.monday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east southeast 5 feet at 7 seconds and south southwest
3 feet at 13 seconds. heavy showers likely in the morning, then
scattered showers in the afternoon. heavy showers likely through
the day.  

$$

fzhw50 phfo 201501
cwfhfo
expires:202608210330;;054115

coastal waters forecast
national weather service honolulu hi
501 am hst thu aug 20 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz116-210330-
kaiwi channel-
501 am hst thu aug 20 2026

.today...northeast winds 10 to 15 knots. seas 3 to 4 feet.
scattered showers this afternoon. 
.tonight...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
scattered showers. 
.friday...east northeast winds 7 to 10 knots. seas 3 to 5 feet.
scattered showers, mainly in the morning. 
.friday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 3 feet at 5 seconds. scattered showers,
mainly in the evening. 
.saturday...east northeast winds to 15 knots, rising to 20 knots
in the afternoon. seas 4 to 6 feet. wave detail: east northeast
5 feet at 6 seconds. isolated showers in the morning, then
scattered showers in the afternoon. 
.saturday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: northeast 6 feet at 6 seconds. scattered
showers. 
.sunday...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east southeast 7 feet at 7 seconds. scattered
showers through the night, then heavy showers through the day. 
.monday...east winds 15 to 20 knots. seas 5 to 8 feet. wave
detail: east northeast 7 feet at 6 seconds, south southeast
3 feet at 7 seconds and south southwest 3 feet at 13 seconds.
heavy showers likely in the morning, then scattered showers in
the afternoon. heavy showers likely through the day.  

$$