fzhw50 phfo 311300
cwfhfo
expires:202608010115;;389051

coastal waters forecast
national weather service honolulu hi
300 am hst fri jul 31 2026

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


phz113-010115-
kauai channel-
300 am hst fri jul 31 2026

...small craft advisory in effect from friday afternoon through
saturday afternoon...

.today...east winds 7 to 10 knots, becoming east northeast 15 to
20 knots this afternoon. seas 5 to 7 feet. wave detail: east
southeast 4 feet at 7 seconds and south 4 feet at 12 seconds.
scattered showers, mainly this morning. 
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 7 seconds, south 4 feet at 12 seconds and
east 3 feet at 15 seconds. isolated showers. 
.friday...east winds 15 to 20 knots. seas 5 to 8 feet. wave
detail: east 6 feet at 7 seconds, south 3 feet at 12 seconds and
east 3 feet at 15 seconds. isolated showers in the morning. 
.friday night...east northeast winds to 20 knots. seas 6 to
9 feet. wave detail: east 8 feet at 8 seconds and south 3 feet at
12 seconds. isolated showers after midnight. 
.saturday...east northeast winds 20 to 25 knots. seas 6 to
9 feet. wave detail: east 8 feet at 8 seconds. isolated showers. 
.saturday night...east northeast winds 20 to 25 knots. seas 6 to
9 feet. wave detail: east 8 feet at 8 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.sunday...east northeast winds to 20 knots. seas 5 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds and east 3 feet
at 14 seconds. isolated showers. 
.monday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 12 seconds. isolated showers.  

$$

fzhw50 phfo 311300
cwfhfo
expires:202608010115;;389052

coastal waters forecast
national weather service honolulu hi
300 am hst fri jul 31 2026

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


phz114-010115-
oahu windward waters-
300 am hst fri jul 31 2026

...small craft advisory in effect from friday afternoon through
saturday afternoon...

.today...east winds 15 to 20 knots. seas 6 to 7 feet. wave
detail: east southeast 5 feet at 7 seconds. scattered showers,
mainly this morning. 
.tonight...east winds 15 to 20 knots. seas 6 to 7 feet. wave
detail: east 6 feet at 8 seconds. isolated showers. 
.friday...east winds to 20 knots. seas 7 to 9 feet. wave detail:
east 7 feet at 7 seconds and east 5 feet at 15 seconds. isolated
showers. 
.friday night...east northeast winds to 20 knots. seas to 9 feet.
wave detail: east 8 feet at 8 seconds. isolated showers. 
.saturday...east northeast winds 20 to 25 knots. seas to 9 feet.
wave detail: east 8 feet at 8 seconds. isolated showers. 
.saturday night...east northeast winds to 25 knots, easing to
20 knots after midnight. seas to 9 feet. wave detail: east 8 feet
at 8 seconds. scattered showers. 
.sunday...east northeast winds 15 to 20 knots. seas 6 to 9 feet.
wave detail: east 8 feet at 7 seconds and east 5 feet at
14 seconds. isolated showers through the night, then scattered
showers through the day. 
.monday...east northeast winds 10 to 15 knots. seas to 6 feet.
wave detail: east 5 feet at 12 seconds. isolated showers, then
scattered showers after midnight.  

$$

fzhw50 phfo 311300
cwfhfo
expires:202608010115;;389053

coastal waters forecast
national weather service honolulu hi
300 am hst fri jul 31 2026

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


phz115-010115-
oahu leeward waters-
300 am hst fri jul 31 2026

...small craft advisory in effect from friday afternoon through
saturday afternoon...

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

$$

fzhw50 phfo 311300
cwfhfo
expires:202608010115;;389054

coastal waters forecast
national weather service honolulu hi
300 am hst fri jul 31 2026

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


phz116-010115-
kaiwi channel-
300 am hst fri jul 31 2026

...small craft advisory in effect through saturday afternoon...

.today...east winds 15 to 20 knots. seas 5 to 8 feet. wave
detail: east 5 feet at 7 seconds and south southwest 4 feet at
13 seconds. isolated showers. 
.tonight...east winds 15 to 20 knots. seas 5 to 8 feet. wave
detail: east 6 feet at 7 seconds and south southwest 4 feet at
12 seconds. isolated showers. 
.friday...east northeast winds 20 to 25 knots. seas 6 to 9 feet.
wave detail: east 7 feet at 6 seconds, east 4 feet at 15 seconds
and south southwest 3 feet at 12 seconds. isolated showers in the
afternoon. 
.friday night...east northeast winds to 25 knots. seas 6 to
9 feet. wave detail: east 8 feet at 8 seconds and south southwest
3 feet at 11 seconds. 
.saturday...east northeast winds 20 to 25 knots. seas 7 to
10 feet. wave detail: east northeast 8 feet at 8 seconds.
isolated showers in the morning. 
.saturday night...east northeast winds 20 to 25 knots. seas 6 to
9 feet. wave detail: east northeast 8 feet at 8 seconds. isolated
showers. 
.sunday...east northeast winds 15 to 20 knots. seas 6 to 9 feet.
wave detail: east northeast 8 feet at 7 seconds and east 4 feet
at 14 seconds. isolated showers. 
.monday...east northeast winds to 15 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 12 seconds. isolated
showers.  

$$