fzhw50 phfo 181354
cwfhfo
expires:202509190200;;193421

coastal waters forecast
national weather service honolulu hi
353 am hst thu sep 18 2025

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


phz113-190200-
kauai channel-
354 am hst thu sep 18 2025

...small craft advisory in effect through early this morning...

.today...east winds to 20 knots. seas to 3 feet. wave detail:
north northeast 3 feet at 7 seconds. isolated showers. 
.tonight...east northeast winds 15 to 20 knots. seas to 3 feet.
wave detail: north northeast 3 feet at 8 seconds. scattered
showers. 
.friday...east northeast winds 15 to 20 knots. seas to 3 feet.
wave detail: north northeast 3 feet at 8 seconds. scattered
showers. 
.friday night...east northeast winds to 20 knots. seas 3 to
5 feet. wave detail: north northeast 4 feet at 7 seconds and
south southwest 3 feet at 17 seconds. scattered showers. 
.saturday...east northeast winds to 20 knots. seas 4 to 5 feet.
wave detail: northeast 4 feet at 7 seconds and south southwest
3 feet at 16 seconds. scattered showers. 
.saturday night...east northeast winds to 20 knots. seas 4 to
5 feet. wave detail: northeast 4 feet at 8 seconds and south
southwest 3 feet at 15 seconds. scattered showers. 
.sunday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 4 to 5 feet. wave detail: northeast
4 feet at 8 seconds and south southwest 3 feet at 14 seconds.
scattered showers. 
.monday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: northeast 3 feet at 8 seconds. scattered showers.  

$$

fzhw50 phfo 181354
cwfhfo
expires:202509190200;;193422

coastal waters forecast
national weather service honolulu hi
353 am hst thu sep 18 2025

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


phz114-190200-
oahu windward waters-
354 am hst thu sep 18 2025

.today...east winds to 20 knots. seas to 3 feet. wave detail:
north 3 feet at 7 seconds. isolated showers. 
.tonight...east northeast winds 15 to 20 knots. seas to 3 feet.
wave detail: north 3 feet at 8 seconds. scattered showers. 
.friday...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: north 4 feet at 8 seconds. scattered showers. 
.friday night...east northeast winds to 20 knots. seas 4 to
5 feet. wave detail: north northeast 4 feet at 8 seconds.
scattered showers. 
.saturday...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: northeast 4 feet at 7 seconds. scattered
showers, mainly in the morning. 
.saturday night...east winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: northeast 4 feet at 8 seconds. scattered showers. 
.sunday...east winds to 20 knots, easing to 15 knots. seas 4 to
5 feet. wave detail: northeast 4 feet at 8 seconds. scattered
showers. 
.monday...east northeast winds to 15 knots. seas 3 to 5 feet.
wave detail: northeast 3 feet at 8 seconds. scattered showers in
the morning, then isolated showers in the afternoon. scattered
showers through the day.  

$$

fzhw50 phfo 181354
cwfhfo
expires:202509190200;;193423

coastal waters forecast
national weather service honolulu hi
353 am hst thu sep 18 2025

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


phz115-190200-
oahu leeward waters-
354 am hst thu sep 18 2025

.today...east winds 15 to 20 knots. seas to 2 feet or less. 
.tonight...east northeast winds to 20 knots. seas to 2 feet or
less. isolated showers. 
.friday...east northeast winds 15 to 20 knots. seas to 2 feet or
less, then to 3 feet in the afternoon. isolated showers. 
.friday night...northeast winds to 20 knots. seas 3 to 4 feet.
wave detail: south southwest 3 feet at 17 seconds. scattered
showers. 
.saturday...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: south southwest 3 feet at 16 seconds.
scattered showers. 
.saturday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: south southwest 3 feet at 15 seconds.
scattered showers. 
.sunday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots. seas 3 to 4 feet. wave detail: south southwest 3 feet
at 14 seconds. scattered showers. 
.monday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 3 to 5 feet. scattered showers.  

$$

fzhw50 phfo 181354
cwfhfo
expires:202509190200;;193424

coastal waters forecast
national weather service honolulu hi
353 am hst thu sep 18 2025

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


phz116-190200-
kaiwi channel-
354 am hst thu sep 18 2025

.today...east winds to 20 knots. seas to 3 feet. wave detail:
north northeast 3 feet at 8 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas to 3 feet.
wave detail: north northeast 3 feet at 8 seconds. isolated
showers. 
.friday...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: north northeast 4 feet at 8 seconds. isolated
showers. 
.friday night...northeast winds to 20 knots. seas 3 to 5 feet.
wave detail: north northeast 4 feet at 8 seconds and south
southwest 3 feet at 16 seconds. scattered showers. 
.saturday...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: northeast 4 feet at 7 seconds and south
southwest 3 feet at 16 seconds. scattered showers, mainly in the
morning. 
.saturday night...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: northeast 4 feet at 8 seconds and south
southwest 3 feet at 15 seconds. isolated showers. 
.sunday...east northeast winds to 15 knots. seas 3 to 5 feet.
wave detail: northeast 4 feet at 9 seconds and south southwest
3 feet at 14 seconds. isolated showers. 
.monday...east northeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: northeast 3 feet at 8 seconds. isolated showers.  

$$