fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880968

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz110-180230-
kauai northwest waters-
320 am hst mon aug 17 2026

.today...east winds to 20 knots. seas 7 to 9 feet. wave detail:
east 7 feet at 7 seconds, east 3 feet at 10 seconds and southwest
3 feet at 13 seconds. scattered showers. 
.tonight...east winds 15 to 20 knots. seas 5 to 8 feet, subsiding
to 5 to 6 feet after midnight. wave detail: east 6 feet at
7 seconds, east 3 feet at 10 seconds and south southwest 3 feet
at 13 seconds. isolated showers. 
.tuesday...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east 5 feet at 6 seconds. isolated showers in the
afternoon. 
.tuesday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. scattered showers. 
.wednesday...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. isolated showers in the
morning, then scattered showers in the afternoon. 
.wednesday night...east northeast winds to 15 knots. seas to
4 feet. wave detail: east 4 feet at 6 seconds. scattered showers.
.thursday...east northeast winds to 15 knots, easing to 10 knots
after midnight. seas 3 to 4 feet. wave detail: east 4 feet at
6 seconds. scattered showers, then numerous showers after
midnight. 
.friday...east northeast winds 7 to 10 knots, becoming variable
less than 10 knots. seas 3 to 4 feet. wave detail: east 3 feet at
6 seconds. scattered showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880969

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz111-180230-
kauai windward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas 7 to 8 feet. wave
detail: east 6 feet at 7 seconds, east 3 feet at 10 seconds and
south 3 feet at 14 seconds. scattered showers. 
.tonight...east winds to 15 knots. seas 5 to 7 feet. wave detail:
east 6 feet at 7 seconds, east 3 feet at 10 seconds and south
3 feet at 13 seconds. isolated showers. 
.tuesday...east winds 10 to 15 knots. seas 5 to 6 feet. wave
detail: east 5 feet at 6 seconds. isolated showers in the
afternoon. 
.tuesday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. scattered showers. 
.wednesday night...east winds 10 to 15 knots. seas to 4 feet.
wave detail: east 4 feet at 6 seconds. scattered showers. 
.thursday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 6 seconds. scattered showers,
then numerous showers after midnight. 
.friday...winds variable less than 10 knots, becoming east
southeast 7 to 10 knots. seas 3 to 5 feet. wave detail: east
3 feet at 7 seconds. scattered showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880970

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz112-180230-
kauai leeward waters-
320 am hst mon aug 17 2026

.today...east southeast winds 15 to 20 knots. seas 6 to 8 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 14 seconds. numerous showers, mainly this morning. 
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and south 3 feet at 13 seconds.
scattered showers. 
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 5 feet at 6 seconds. isolated showers. 
.tuesday night...east winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 5 feet at 6 seconds. scattered showers, mainly
in the evening. 
.wednesday...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: east 5 feet at 5 seconds. isolated showers. 
.wednesday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.thursday...east northeast winds 10 to 15 knots. in the kaulakahi
channel, east northeast winds 10 to 15 knots, becoming variable
less than 10 knots. seas 3 to 4 feet. wave detail: east 4 feet at
5 seconds. scattered showers. 
.friday...east northeast winds 7 to 10 knots, becoming variable
less than 10 knots. seas 3 to 4 feet. scattered showers .  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880971

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz113-180230-
kauai channel-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas 6 to 8 feet. wave
detail: east 6 feet at 7 seconds and south 3 feet at 14 seconds.
scattered showers. 
.tonight...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 7 seconds and south 3 feet at
13 seconds. scattered showers, mainly in the evening. 
.tuesday...east northeast winds to 15 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers in the afternoon. 
.tuesday night...east northeast winds to 15 knots. seas 4 to
5 feet. wave detail: east 5 feet at 6 seconds. scattered showers,
mainly in the evening. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.thursday...northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east northeast 4 feet at 5 seconds. scattered
showers. 
.friday...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: southwest 3 feet at 16 seconds. scattered showers . 

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880972

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz114-180230-
oahu windward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and east 3 feet at 10 seconds.
scattered showers, mainly this morning. 
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and east 3 feet at 10 seconds.
isolated showers. 
.tuesday...east winds to 15 knots. seas to 5 feet. wave detail:
east 5 feet at 6 seconds. isolated showers. 
.tuesday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 6 seconds. scattered showers. 
.wednesday night...east northeast winds to 15 knots. seas to
4 feet. wave detail: east 4 feet at 6 seconds. scattered showers.
.thursday...east northeast winds 10 to 15 knots, becoming 7 to
10 knots after midnight. seas 3 to 4 feet. wave detail: east
4 feet at 6 seconds. scattered showers, then numerous showers
after midnight. 
.friday...winds variable less than 10 knots, becoming east 10 to
15 knots. seas 3 to 5 feet. wave detail: east southeast 4 feet at
6 seconds. scattered showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880973

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz115-180230-
oahu leeward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas to 6 feet. wave detail:
east southeast 5 feet at 6 seconds and south 3 feet at
14 seconds. scattered showers. 
.tonight...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east southeast 5 feet at 6 seconds and south 3 feet
at 13 seconds. isolated showers. 
.tuesday night...east northeast winds to 15 knots. seas 3 to
5 feet. wave detail: east 4 feet at 6 seconds. scattered showers,
mainly in the evening. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers. 
.wednesday night...east northeast winds 10 to 15 knots. seas to
3 feet. wave detail: east 3 feet at 4 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.thursday...northeast winds 7 to 10 knots, becoming 10 to
15 knots in the evening, then becoming 7 to 10 knots after
midnight. seas to 3 feet. wave detail: east northeast 3 feet at
4 seconds. scattered showers. 
.friday...winds variable less than 10 knots. seas 3 to 4 feet.
wave detail: southwest 3 feet at 16 seconds. scattered showers . 

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880974

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz116-180230-
kaiwi channel-
320 am hst mon aug 17 2026

.today...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
14 seconds. scattered showers, mainly this morning. 
.tonight...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers in the evening. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers in the afternoon. 
.tuesday night...east northeast winds to 15 knots. seas 3 to
5 feet. wave detail: east 5 feet at 5 seconds. isolated showers. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east northeast 4 feet at 5 seconds. isolated
showers. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
4 feet. wave detail: east northeast 4 feet at 5 seconds. isolated
showers in the evening, then scattered showers after midnight. 
.thursday...northeast winds 10 to 15 knots, becoming 7 to
10 knots after midnight. seas 3 to 4 feet. wave detail: east
northeast 4 feet at 5 seconds. scattered showers. 
.friday...winds variable less than 10 knots, becoming east 10 to
15 knots. seas 3 to 5 feet. wave detail: east 3 feet at
6 seconds. scattered showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880975

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz117-180230-
maui county windward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas to 5 feet. wave detail:
east 5 feet at 6 seconds. isolated showers. 
.tonight...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. isolated showers. 
.tuesday...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. isolated showers. 
.tuesday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 8 seconds. scattered showers. 
.wednesday...east northeast winds 10 to 15 knots. seas to 4 feet.
wave detail: east 4 feet at 8 seconds. scattered showers. 
.wednesday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 7 seconds. scattered showers.
.thursday...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 7 seconds. scattered showers, then
numerous showers after midnight. 
.friday...east southeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: east southeast 4 feet at 6 seconds. scattered
showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880976

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz118-180230-
maui county leeward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east southeast 4 feet at 5 seconds and south 3 feet at
14 seconds. isolated showers. 
.tonight...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 4 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers. 
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 4 feet at 6 seconds and south 3 feet at 13 seconds.
isolated showers in the afternoon. 
.tuesday night...east northeast winds 7 to 10 knots. seas 3 to
5 feet. wave detail: east southeast 4 feet at 6 seconds. isolated
showers. 
.wednesday...northeast winds 7 to 10 knots. seas to 3 feet. wave
detail: east southeast 3 feet at 4 seconds. isolated showers. 
.wednesday night...northeast winds 7 to 10 knots. seas to 3 feet
in the evening, then to 2 feet or less. isolated showers. 
.thursday...north northeast winds 7 to 10 knots, veering to
northeast 10 to 15 knots in the evening, then becoming variable
less than 10 knots after midnight. seas to 2 feet or less.
isolated showers through the night. scattered showers through the
day. 
.friday...winds variable less than 10 knots, becoming east
northeast 10 to 15 knots. seas 3 to 4 feet. wave detail:
southwest 3 feet at 16 seconds. isolated showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880977

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz119-180230-
maalaea bay-
320 am hst mon aug 17 2026

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

.today...north winds to 20 knots, rising to 25 knots this
afternoon. seas to 3 feet. wave detail: south 3 feet at
14 seconds. 
.tonight...north winds to 25 knots. seas to 3 feet in the
evening, then to 2 feet or less. wave detail: north northeast
3 feet at 3 seconds. 
.tuesday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 3 seconds. 
.tuesday night...north winds to 20 knots. seas to 2 feet or less.
isolated showers in the evening. 
.wednesday...north winds to 15 knots. seas to 2 feet or less.
isolated showers in the afternoon. 
.wednesday night...north winds to 20 knots, easing to 15 knots
after midnight. seas to 2 feet or less. isolated showers after
midnight. 
.thursday...winds variable less than 10 knots, becoming north to
15 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. seas to 2 feet or less.
scattered showers. 
.friday...winds variable less than 10 knots, becoming north to
20 knots. seas to 2 feet or less. scattered showers through the
night, then isolated showers in the evening.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880978

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz120-180230-
pailolo channel-
320 am hst mon aug 17 2026

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

.today...east northeast winds to 20 knots, rising to 25 knots
this afternoon. seas 3 to 5 feet. wave detail: east 4 feet at
4 seconds. scattered showers this morning. isolated showers this
afternoon. 
.tonight...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. isolated showers in the
evening. 
.tuesday...east northeast winds 20 to 25 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers in the
afternoon. 
.tuesday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 4 feet at 4 seconds. isolated showers. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. scattered showers, mainly in the morning. 
.wednesday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas to 3 feet. scattered showers,
mainly in the evening. 
.thursday...northeast winds 7 to 10 knots, becoming 10 to
15 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. seas to 3 feet. scattered
showers. 
.friday...winds variable less than 10 knots, becoming east
northeast 15 to 20 knots. seas to 3 feet. scattered showers .  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880979

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz121-180230-
alenuihaha channel-
320 am hst mon aug 17 2026

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

.today...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 3 feet at
15 seconds. isolated showers. 
.tonight...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers. 
.tuesday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 13 seconds. isolated showers in the afternoon. 
.tuesday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. scattered showers,
mainly in the evening. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east northeast 4 feet at 8 seconds. isolated
showers. 
.wednesday night...northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas to 3 feet. wave detail: east
3 feet at 8 seconds. isolated showers. 
.thursday...northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots. seas to 3 feet. wave detail: east
northeast 3 feet at 7 seconds. isolated showers through the
night. scattered showers through the day. 
.friday...east northeast winds 7 to 10 knots, becoming east 15 to
20 knots. seas 3 to 5 feet. wave detail: east 4 feet at 5 seconds
and south southwest 3 feet at 16 seconds. isolated showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880980

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz122-180230-
big island windward waters-
320 am hst mon aug 17 2026

.today...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 8 seconds and south 3 feet at
14 seconds. scattered showers, mainly this morning. 
.tonight...east northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. seas 4 to 6 feet. wave detail: east
4 feet at 8 seconds and south 3 feet at 13 seconds. isolated
showers. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 8 seconds. isolated showers. 
.tuesday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 8 seconds. scattered showers.
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 3 feet at 8 seconds. scattered showers.
.wednesday night...northeast winds 10 to 15 knots. seas to
3 feet. wave detail: east 3 feet at 8 seconds. scattered showers.
.thursday...east northeast winds 7 to 10 knots, veering to east
southeast to 10 knots after midnight. seas to 3 feet. wave
detail: east 3 feet at 8 seconds. scattered showers, then
numerous showers after midnight. 
.friday...east southeast winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: east southeast 4 feet at 7 seconds. scattered
showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880981

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz123-180230-
big island leeward waters-
320 am hst mon aug 17 2026

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

.today...west of the big island, south winds 7 to 10 knots,
veering to northwest 10 to 15 knots this afternoon. near south
point, east winds 15 to 20 knots, rising to 25 knots this
afternoon. seas 5 to 7 feet. wave detail: east northeast 5 feet
at 5 seconds and south 3 feet at 15 seconds. scattered showers. 
.tonight...west of the big island, west northwest winds 7 to
10 knots, backing to south southwest after midnight. near south
point, east winds 15 to 20 knots, rising to 20 to 25 knots after
midnight. seas 5 to 7 feet. wave detail: northeast 5 feet at
5 seconds and south 3 feet at 14 seconds. scattered showers. 
.tuesday...west of the big island, west northwest winds 7 to
10 knots. near south point, east winds to 20 knots, becoming
15 to 20 knots in the afternoon. seas 4 to 6 feet. wave detail:
east northeast 5 feet at 5 seconds and south 3 feet at
13 seconds. scattered showers, mainly in the morning. 
.tuesday night...winds variable less than 10 knots west of the
big island...east to 15 knots near south point. seas 3 to 5 feet.
wave detail: east northeast 4 feet at 5 seconds. scattered
showers, mainly in the evening. 
.wednesday...north northeast winds 10 to 15 knots, backing to
north 7 to 10 knots in the afternoon. seas 3 to 4 feet. wave
detail: east northeast 3 feet at 4 seconds. isolated showers. 
.wednesday night...west of the big island, winds variable less
than 10 knots. near kawaihae, northeast winds 10 to 15 knots,
veering to east northeast after midnight. seas to 3 feet. wave
detail: east northeast 3 feet at 4 seconds. isolated showers. 
.thursday...west of the big island, winds variable less than
10 knots. near south point, winds variable less than 10 knots,
becoming east 10 to 15 knots. seas to 3 feet. isolated showers
through the night, then scattered showers through the day. 
.friday...west of the big island, winds variable less than
10 knots. near south point, east winds 10 to 15 knots, becoming
east northeast 15 to 20 knots after midnight. seas 4 to 6 feet.
wave detail: east 3 feet at 5 seconds. isolated showers in the
morning, then scattered showers in the afternoon. isolated
showers through the day.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;880982

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz124-180230-
big island southeast waters-
320 am hst mon aug 17 2026

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

.today...east northeast winds 15 to 20 knots, rising to 20 to
25 knots this afternoon. seas 6 to 7 feet. wave detail: east
4 feet at 8 seconds and south 3 feet at 15 seconds. scattered
showers. 
.tonight...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 5 seconds and south 3 feet at
14 seconds. isolated showers. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 5 seconds and south 3 feet at
13 seconds. isolated showers. 
.tuesday night...east northeast winds to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 8 seconds. scattered showers,
mainly in the evening. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 8 seconds. isolated showers
in the morning, then scattered showers in the afternoon. 
.wednesday night...northeast winds 10 to 15 knots. seas to
3 feet. wave detail: east 3 feet at 8 seconds. scattered showers.
.thursday...east northeast winds 10 to 15 knots. seas to 3 feet.
wave detail: east 3 feet at 8 seconds. scattered showers, then
numerous showers after midnight. 
.friday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east southeast 5 feet at 6 seconds. scattered
showers.  

$$