fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401898

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz110-220230-
kauai northwest waters-
318 am hst thu may 21 2026

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

.today...east northeast winds 20 to 25 knots. seas 8 to 10 feet.
wave detail: east 8 feet at 8 seconds. isolated showers. 
.tonight...east northeast winds to 25 knots. seas 9 to 11 feet.
wave detail: east 8 feet at 8 seconds. isolated showers. 
.friday...east northeast winds to 25 knots. seas 9 to 11 feet.
wave detail: east 8 feet at 8 seconds. isolated showers. 
.friday night...east northeast winds 20 to 25 knots. seas 9 to
10 feet. wave detail: east 8 feet at 8 seconds. isolated showers
in the evening. scattered showers after midnight. 
.saturday...east northeast winds 20 to 25 knots. seas 8 to
10 feet. wave detail: east 8 feet at 8 seconds. isolated showers.
.saturday night...east northeast winds 20 to 25 knots. seas 9 to
10 feet. wave detail: east 8 feet at 8 seconds and north
northwest 3 feet at 14 seconds. isolated showers in the evening,
then scattered showers after midnight. 
.sunday...east northeast winds 20 to 25 knots. seas 8 to 9 feet.
wave detail: east 8 feet at 8 seconds. isolated showers, then
scattered showers after midnight. 
.monday...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east 7 feet at 7 seconds. isolated showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401899

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz111-220230-
kauai windward waters-
318 am hst thu may 21 2026

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

.today...east northeast winds to 20 knots. seas 9 to 11 feet.
wave detail: east 8 feet at 8 seconds. scattered showers. 
.tonight...east northeast winds 20 to 25 knots. seas 10 to
12 feet. wave detail: east 9 feet at 8 seconds. isolated showers.
.friday...east northeast winds 20 to 25 knots. seas 10 to
11 feet. wave detail: east 9 feet at 8 seconds. isolated showers.
.friday night...east northeast winds to 20 knots. seas 10 to
11 feet. wave detail: east 8 feet at 8 seconds. scattered
showers. 
.saturday...east northeast winds to 20 knots. seas 10 to 11 feet.
wave detail: east 8 feet at 8 seconds. scattered showers, mainly
in the morning. 
.saturday night...east northeast winds to 20 knots. seas 10 to
11 feet. wave detail: east 8 feet at 8 seconds. scattered
showers. 
.sunday...east winds to 20 knots. seas 9 to 10 feet. wave detail:
east 8 feet at 8 seconds. scattered showers in the morning, then
isolated showers in the afternoon. scattered showers through the
day. 
.monday...east winds to 20 knots. seas 8 to 9 feet. wave detail:
east 7 feet at 7 seconds. scattered showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401900

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz112-220230-
kauai leeward waters-
318 am hst thu may 21 2026

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

.today...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east southeast 9 feet at 8 seconds. isolated
showers. 
.tonight...east northeast winds 20 to 25 knots. seas 8 to
11 feet. wave detail: east 9 feet at 8 seconds. 
.friday...east northeast winds 20 to 25 knots. seas 7 to 10 feet.
wave detail: east 9 feet at 8 seconds. isolated showers in the
afternoon. 
.friday night...east northeast winds 20 to 25 knots. seas 7 to
10 feet. wave detail: east 9 feet at 8 seconds. isolated showers
after midnight. 
.saturday...east northeast winds 20 to 25 knots. in the kaulakahi
channel, east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 7 to 9 feet. wave detail: east
8 feet at 8 seconds. isolated showers. 
.saturday night...winds east northeast winds 20 to 25 knots. seas
8 to 10 feet. wave detail: east 8 feet at 8 seconds. isolated
showers. 
.sunday...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east 8 feet at 7 seconds. isolated showers. 
.monday...east northeast winds 20 to 25 knots. seas 6 to 9 feet.
wave detail: east 7 feet at 7 seconds. isolated showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401901

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz113-220230-
kauai channel-
318 am hst thu may 21 2026

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

.today...east northeast winds 20 to 25 knots. seas 7 to 10 feet.
wave detail: east 8 feet at 8 seconds. isolated showers. 
.tonight...east northeast winds to 25 knots. seas 9 to 11 feet.
wave detail: east 9 feet at 8 seconds. isolated showers. 
.friday...east northeast winds to 25 knots. seas 8 to 10 feet.
wave detail: east northeast 9 feet at 8 seconds. isolated showers
in the afternoon. 
.friday night...east northeast winds 20 to 25 knots. seas 8 to
10 feet. wave detail: east northeast 8 feet at 7 seconds.
isolated showers. 
.saturday...east northeast winds 20 to 25 knots. seas 8 to
10 feet. wave detail: east northeast 8 feet at 7 seconds.
isolated showers. 
.saturday night...east northeast winds 20 to 25 knots. seas 8 to
10 feet. wave detail: east northeast 8 feet at 7 seconds.
isolated showers. 
.sunday...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east northeast 8 feet at 7 seconds. isolated
showers. 
.monday...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east northeast 7 feet at 7 seconds. isolated
showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401902

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz114-220230-
oahu windward waters-
318 am hst thu may 21 2026

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

.today...east northeast winds to 25 knots. seas 10 to 11 feet.
wave detail: east 9 feet at 8 seconds. isolated showers. 
.tonight...east northeast winds to 25 knots. seas 10 to 11 feet.
wave detail: east 9 feet at 8 seconds. isolated showers in the
evening, then scattered showers after midnight. 
.friday...east northeast winds 20 to 25 knots. seas 9 to 11 feet.
wave detail: east 9 feet at 8 seconds. isolated showers. 
.friday night...east northeast winds 20 to 25 knots. seas 10 to
11 feet. wave detail: east 8 feet at 7 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.saturday...east northeast winds 20 to 25 knots. seas 9 to
11 feet. wave detail: east 8 feet at 7 seconds. scattered
showers, mainly in the morning. 
.saturday night...east northeast winds 20 to 25 knots. seas 9 to
11 feet. wave detail: east 8 feet at 7 seconds and north
northwest 3 feet at 14 seconds. isolated showers. 
.sunday...east winds 20 to 25 knots. seas 8 to 9 feet. wave
detail: east 8 feet at 7 seconds. isolated showers. scattered
showers after midnight. 
.monday...east northeast winds 20 to 25 knots. seas 8 to 9 feet.
wave detail: east 7 feet at 7 seconds. scattered showers .  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401903

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz115-220230-
oahu leeward waters-
318 am hst thu may 21 2026

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

.today...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east southeast 8 feet at 8 seconds. isolated showers
this afternoon. 
.tonight...east northeast winds 25 to 30 knots. seas 7 to
10 feet. wave detail: east 9 feet at 8 seconds. 
.friday...east northeast winds to 25 knots. seas 6 to 8 feet.
wave detail: east 8 feet at 7 seconds. 
.friday night...east northeast winds 20 to 25 knots. seas 5 to
8 feet. wave detail: east northeast 8 feet at 7 seconds and south
3 feet at 17 seconds. 
.saturday...east northeast winds 20 to 25 knots. seas 5 to
7 feet, building to 6 to 9 feet in the afternoon. wave detail:
east northeast 7 feet at 7 seconds and south 3 feet at
15 seconds. 
.saturday night...east northeast winds 20 to 25 knots. seas 6 to
9 feet. wave detail: east northeast 7 feet at 7 seconds. 
.sunday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east northeast 6 feet at 7 seconds. 
.monday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds. isolated showers through
the night. isolated showers after midnight.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401904

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz116-220230-
kaiwi channel-
318 am hst thu may 21 2026

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

.today...east northeast winds 25 to 30 knots. seas 7 to 10 feet.
wave detail: east 9 feet at 7 seconds. isolated showers. 
.tonight...east northeast winds 25 to 30 knots. seas 8 to
11 feet. wave detail: east 9 feet at 7 seconds. 
.friday...east northeast winds to 25 knots. seas 7 to 10 feet.
wave detail: east northeast 9 feet at 7 seconds. 
.friday night...east northeast winds 20 to 25 knots. seas 7 to
10 feet. wave detail: east northeast 8 feet at 7 seconds and
south 3 feet at 17 seconds. isolated showers after midnight. 
.saturday...east northeast winds to 25 knots. seas 7 to 10 feet.
wave detail: east northeast 8 feet at 7 seconds and south 3 feet
at 16 seconds. isolated showers in the morning. 
.saturday night...east northeast winds 20 to 25 knots. seas 7 to
10 feet. wave detail: east northeast 8 feet at 7 seconds and
south 3 feet at 15 seconds. 
.sunday...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east northeast 8 feet at 7 seconds. 
.monday...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds. isolated
showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401905

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz117-220230-
maui county windward waters-
318 am hst thu may 21 2026

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

.today...east winds 20 to 25 knots, rising to 25 to 30 knots this
afternoon. seas 10 to 11 feet. wave detail: east 8 feet at
8 seconds. scattered showers. 
.tonight...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 10 to 11 feet. wave detail: east
8 feet at 8 seconds. isolated showers in the evening, then
scattered showers after midnight. 
.friday...east northeast winds 20 to 25 knots. seas 9 to 10 feet.
wave detail: east 8 feet at 7 seconds. isolated showers. 
.friday night...east northeast winds 20 to 25 knots. seas 9 to
10 feet. wave detail: east 8 feet at 7 seconds. scattered
showers. 
.saturday...east northeast winds 20 to 25 knots. seas 9 to
10 feet. wave detail: east 8 feet at 7 seconds. scattered showers
in the morning. isolated showers in the afternoon. 
.saturday night...east winds 20 to 25 knots. seas 8 to 10 feet.
wave detail: east 7 feet at 7 seconds and north northwest 3 feet
at 14 seconds. isolated showers in the evening. scattered showers
after midnight. 
.sunday...east winds 20 to 25 knots. seas 7 to 8 feet. wave
detail: east 7 feet at 7 seconds. isolated showers. scattered
showers after midnight. 
.monday...east winds 20 to 25 knots. seas 7 to 8 feet. wave
detail: east 7 feet at 6 seconds. scattered showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401906

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz118-220230-
maui county leeward waters-
318 am hst thu may 21 2026

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

.today...east northeast winds 20 to 25 knots. seas 5 to 8 feet.
wave detail: east southeast 8 feet at 8 seconds. isolated showers
this afternoon. 
.tonight...east northeast winds 20 to 25 knots. seas 5 to 8 feet.
wave detail: east 8 feet at 8 seconds. 
.friday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 7 feet at 7 seconds and south 3 feet at
17 seconds. 
.friday night...northeast winds 20 to 25 knots, becoming east
northeast 15 to 20 knots after midnight. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and south 3 feet at 17 seconds. 
.saturday...east northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east 6 feet at 6 seconds and south 3 feet at
16 seconds. 
.saturday night...east northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east 6 feet at 6 seconds and south 3 feet at
15 seconds. 
.sunday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 5 to 7 feet. wave detail: east
5 feet at 6 seconds. 
.monday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east southeast 5 feet at 6 seconds. isolated
showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401907

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz119-220230-
maalaea bay-
318 am hst thu may 21 2026

...gale warning in effect through early friday morning...

.today...north northeast winds to 35 knots. seas to 2 feet or
less. wave detail: northeast 2 feet at 4 seconds. 
.tonight...north winds to 35 knots. seas to 2 feet or less. wave
detail: north 2 feet at 4 seconds. 
.friday...north winds to 30 knots, easing to 25 knots in the
afternoon. seas to 2 feet or less. wave detail: north northeast
2 feet at 4 seconds. 
.friday night...north winds to 25 knots. seas to 2 feet or less.
wave detail: north northeast 2 feet at 4 seconds. 
.saturday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 4 seconds. 
.saturday night...north winds to 25 knots. seas to 2 feet or
less. wave detail: north northeast 2 feet at 4 seconds. 
.sunday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 3 seconds. 
.monday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 3 seconds.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401908

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz120-220230-
pailolo channel-
318 am hst thu may 21 2026

...gale warning in effect through early friday morning...

.today...east northeast winds 30 to 35 knots. seas 5 to 7 feet.
wave detail: east 7 feet at 6 seconds. isolated showers this
morning. scattered showers this afternoon. 
.tonight...east northeast winds 30 to 35 knots. seas 5 to 7 feet.
wave detail: east 7 feet at 6 seconds. isolated showers in the
evening. 
.friday...east northeast winds 25 to 30 knots. seas 5 to 7 feet.
wave detail: east 7 feet at 6 seconds. 
.friday night...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east northeast 6 feet at 6 seconds. 
.saturday...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 6 seconds. 
.saturday night...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 7 seconds. 
.sunday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 7 seconds. 
.monday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 6 seconds. isolated
showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401909

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz121-220230-
alenuihaha channel-
318 am hst thu may 21 2026

...gale warning in effect through early friday morning...

.today...east northeast winds 30 to 35 knots. seas 8 to 10 feet.
wave detail: east 10 feet at 7 seconds. scattered showers. 
.tonight...east northeast winds 30 to 35 knots. seas 8 to
10 feet. wave detail: east 10 feet at 8 seconds. scattered
showers in the evening. 
.friday...east northeast winds 25 to 30 knots. seas 7 to 9 feet.
wave detail: east 9 feet at 7 seconds and south southwest 3 feet
at 14 seconds. isolated showers in the afternoon. 
.friday night...east northeast winds 25 to 30 knots. seas 7 to
9 feet. wave detail: east 9 feet at 7 seconds and south southwest
3 feet at 17 seconds. scattered showers. 
.saturday...east northeast winds 25 to 30 knots. seas 6 to
9 feet. wave detail: east northeast 8 feet at 7 seconds and south
southwest 3 feet at 16 seconds. scattered showers in the morning.
isolated showers in the afternoon. 
.saturday night...east northeast winds 25 to 30 knots. seas 6 to
9 feet. wave detail: east northeast 8 feet at 6 seconds and south
3 feet at 15 seconds. scattered showers. 
.sunday...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 6 to 8 feet. wave detail: east
northeast 7 feet at 6 seconds and south 3 feet at 14 seconds.
isolated showers. scattered showers after midnight. 
.monday...east northeast winds 20 to 25 knots. seas 6 to 7 feet.
wave detail: east 7 feet at 6 seconds. isolated showers through
the night. scattered showers in the evening, then isolated
showers after midnight.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401910

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz122-220230-
big island windward waters-
318 am hst thu may 21 2026

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

.today...east northeast winds 20 to 25 knots. seas 9 to 11 feet.
wave detail: east 7 feet at 9 seconds. scattered showers. 
.tonight...east northeast winds 20 to 25 knots. seas 9 to
10 feet. wave detail: east 7 feet at 9 seconds. scattered
showers. 
.friday...east northeast winds 20 to 25 knots. seas 8 to 10 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 14 seconds. scattered showers. 
.friday night...east northeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. seas 8 to 9 feet. wave detail:
east 6 feet at 5 seconds and south 4 feet at 16 seconds.
scattered showers. 
.saturday...east northeast winds 20 to 25 knots. seas 8 to
9 feet. wave detail: east 6 feet at 5 seconds and south 4 feet at
15 seconds. scattered showers. 
.saturday night...east northeast winds 20 to 25 knots. seas 8 to
9 feet. wave detail: east 6 feet at 6 seconds, south 3 feet at
14 seconds and north northwest 3 feet at 15 seconds. scattered
showers. 
.sunday...east northeast winds 20 to 25 knots, easing to 15 to
20 knots. seas 7 to 8 feet. wave detail: east 5 feet at 6 seconds
and south 3 feet at 14 seconds. scattered showers. 
.monday...east northeast winds 15 to 20 knots. seas 6 to 8 feet.
wave detail: east 5 feet at 5 seconds. scattered showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401911

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz123-220230-
big island leeward waters-
318 am hst thu may 21 2026

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

.today...west of the big island, winds variable less than
10 knots, becoming west 7 to 10 knots this afternoon. near south
point, east winds 25 to 30 knots. seas 5 to 8 feet. wave detail:
northeast 8 feet at 7 seconds. isolated showers. 
.tonight...west of the big island, northwest winds 7 to 10 knots,
veering to east 10 to 15 knots after midnight. near south point,
east winds 25 to 30 knots. seas 6 to 9 feet. wave detail:
northeast 9 feet at 7 seconds. scattered showers. 
.friday...west of the big island, southeast winds 7 to 10 knots,
veering to west northwest to 10 knots in the afternoon. near
south point, east winds 25 to 30 knots. seas 6 to 9 feet. wave
detail: northeast 8 feet at 7 seconds and south southwest 3 feet
at 14 seconds. isolated showers. 
.friday night...west of the big island, southeast winds 10 to
15 knots, becoming 7 to 10 knots after midnight. near south
point, east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: northeast 7 feet at 7 seconds and south 4 feet at
16 seconds. scattered showers. 
.saturday...west of the big island, south winds 7 to 10 knots,
veering to west in the afternoon. near south point, east winds
20 to 25 knots. seas 5 to 7 feet. wave detail: northeast 6 feet
at 6 seconds and south 4 feet at 16 seconds. isolated showers. 
.saturday night...west of the big island, south southeast winds
7 to 10 knots in the evening, becoming variable less than
10 knots. near south point, east northeast winds 20 to 25 knots.
seas 5 to 8 feet. wave detail: northeast 6 feet at 6 seconds and
south 3 feet at 15 seconds. isolated showers. 
.sunday...west of the big island, winds variable less than
10 knots, becoming west northwest 7 to 10 knots in the afternoon,
then becoming variable less than 10 knots. near south point, east
winds 20 to 25 knots. seas 5 to 7 feet. wave detail: east
northeast 6 feet at 6 seconds and south 3 feet at 14 seconds.
isolated showers. 
.monday...west of the big island, winds variable less than
10 knots, becoming northwest 7 to 10 knots in the afternoon, then
becoming variable less than 10 knots in the evening, becoming
north northwest 7 to 10 knots after midnight. near south point,
east winds 20 to 25 knots. seas 5 to 7 feet. wave detail: east
northeast 5 feet at 6 seconds. isolated showers.  

$$

fzhw50 phfo 211318
cwfhfo
expires:202605220230;;401912

coastal waters forecast
national weather service honolulu hi
318 am hst thu may 21 2026

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


phz124-220230-
big island southeast waters-
318 am hst thu may 21 2026

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

.today...east northeast winds 25 to 30 knots. seas 9 to 11 feet.
wave detail: east 9 feet at 7 seconds. scattered showers, mainly
this morning. 
.tonight...east northeast winds 25 to 30 knots. seas 9 to
11 feet. wave detail: east 9 feet at 6 seconds. scattered
showers. 
.friday...east northeast winds 25 to 30 knots. seas 9 to 11 feet.
wave detail: east 9 feet at 6 seconds and south southwest 3 feet
at 14 seconds. scattered showers. 
.friday night...east northeast winds to 25 knots. seas 8 to
10 feet. wave detail: east 8 feet at 6 seconds and south 4 feet
at 16 seconds. scattered showers. 
.saturday...east northeast winds to 25 knots. seas 8 to 9 feet.
wave detail: east 8 feet at 6 seconds and south 4 feet at
16 seconds. scattered showers in the morning. isolated showers in
the afternoon. 
.saturday night...east northeast winds to 25 knots. seas 8 to
9 feet. wave detail: east 8 feet at 6 seconds and south 3 feet at
15 seconds. scattered showers. 
.sunday...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east 7 feet at 6 seconds and south 3 feet at
14 seconds. scattered showers in the morning. isolated showers in
the afternoon, then scattered showers through the day. 
.monday...east northeast winds 20 to 25 knots. seas 7 to 8 feet.
wave detail: east 7 feet at 6 seconds. scattered showers.  

$$