Surf Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
540
FZHW52 PHFO 181355
SRFHFO
Surf Zone Forecast for Hawaii
National Weather Service Honolulu HI
355 AM HST Mon Aug 18 2025
.DISCUSSION...The ongoing small, medium period south (180-190) swell
will hold through tomorrow and generate waist to near head high surf
within higher sets along south facing shores, just shy of seasonal
norms. A slightly larger, medium to long period, south swell will
arrive on Wednesday, adding a little bump to surf heights along south
facing shores through the remainder of the work week.
Choppy conditions will continue for east-facing shores for the
duration of the forecast period due to the persistent fresh trades.
Meanwhile, expect surf to be flat to tiny along north facing shores.
HIZ003-029>031-191500-
Kauai-
355 AM HST Mon Aug 18 2025
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Today Tuesday
Shores Surf Surf
AM PM AM PM
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North Facing 1-3 1-3 1-3 1-3
West Facing 1-3 1-3 1-3 1-3
South Facing 3-5 2-4 2-4 2-4
East Facing 2-4 3-5 3-5 3-5
.TODAY...
Weather.....................Mostly cloudy. A chance of showers.
High Temperature............In the upper 80s.
Winds.......................East winds around 10 mph.
Tides...
Hanalei Bay..............High 2.4 feet 12:05 PM HST.
Nawiliwili...............High 2.3 feet 01:06 PM HST.
Sunrise.....................6:16 AM HST.
Sunset......................7:06 PM HST.
.TONIGHT...
Weather.....................Mostly cloudy. A chance of showers.
Low Temperature.............In the mid 70s.
Winds.......................East winds around 10 mph.
Tides...
Hanalei Bay..............Low 0.5 feet 07:47 PM HST.
High 0.7 feet 11:29 PM HST.
Low 0.0 feet 04:34 AM HST.
Nawiliwili...............Low 0.5 feet 09:09 PM HST.
High 0.7 feet 12:30 AM HST.
Low 0.0 feet 05:56 AM HST.
.TUESDAY...
Weather.....................Mostly sunny. A chance of showers.
High Temperature............In the upper 80s.
Winds.......................East winds around 10 mph.
Tides...
Hanalei Bay..............High 2.5 feet 12:52 PM HST.
Nawiliwili...............High 2.3 feet 01:53 PM HST.
Sunrise.....................6:16 AM HST.
Sunset......................7:06 PM HST.
$$
HIZ006-007-009-032>035-191500-
Oahu-
355 AM HST Mon Aug 18 2025
__________________________________________________________________
Today Tuesday
Shores Surf Surf
AM PM AM PM
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North Facing 1-3 1-3 1-3 1-3
West Facing 1-3 1-3 1-3 1-3
South Facing 3-5 3-5 2-4 2-4
East Facing 2-4 3-5 3-5 3-5
.TODAY...
UV Index....................Extreme.
Weather.....................Partly sunny. A chance of showers.
High Temperature............In the mid 80s.
Winds.......................East winds 10 to 15 mph.
Tides...
Honolulu.................High 2.4 feet 01:09 PM HST.
Waianae..................High 2.2 feet 01:29 PM HST.
Haleiwa..................High 1.9 feet 12:07 PM HST.
Mokuoloe.................High 2.5 feet 12:45 PM HST.
Sunrise.....................6:11 AM HST.
Sunset......................7:00 PM HST.
.TONIGHT...
Weather.....................Partly cloudy. A chance of showers.
Low Temperature.............In the mid 70s.
Winds.......................East winds around 15 mph.
Tides...
Honolulu.................Low 0.4 feet 08:59 PM HST.
High 0.7 feet 01:06 AM HST.
Waianae..................Low 0.4 feet 09:17 PM HST.
High 0.6 feet 01:26 AM HST.
Haleiwa..................Low 0.3 feet 06:54 PM HST.
High 0.5 feet 12:04 AM HST.
Low 0.1 feet 04:09 AM HST.
Mokuoloe.................Low -0.1 feet 05:20 AM HST.
.TUESDAY...
UV Index....................Extreme.
Weather.....................Mostly sunny. A slight chance of
showers.
High Temperature............In the upper 80s.
Winds.......................East winds around 15 mph.
Tides...
Honolulu.................Low 0.1 feet 06:14 AM HST.
High 2.4 feet 01:57 PM HST.
Waianae..................Low 0.1 feet 06:32 AM HST.
High 2.3 feet 02:17 PM HST.
Haleiwa..................High 1.9 feet 12:55 PM HST.
Mokuoloe.................High 2.6 feet 01:23 PM HST.
Sunrise.....................6:12 AM HST.
Sunset......................6:59 PM HST.
$$
HIZ017-018-045>050-191500-
Maui-
355 AM HST Mon Aug 18 2025
__________________________________________________________________
Today Tuesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
North Facing 1-3 1-3 1-3 1-3
West Facing 1-3 1-3 1-3 1-3
South Facing 2-4 3-5 2-4 2-4
East Facing 2-4 3-5 3-5 3-5
.TODAY...
Weather.....................Mostly sunny. A chance of showers.
High Temperature............In the upper 80s.
Winds.......................East winds 15 to 20 mph.
Tides...
Kahului..................High 2.6 feet 12:36 PM HST.
Sunrise.....................6:06 AM HST.
Sunset......................6:54 PM HST.
.TONIGHT...
Weather.....................Partly cloudy. A chance of showers.
Low Temperature.............In the mid 70s.
Winds.......................East winds around 15 mph.
Tides...
Kahului..................Low 0.0 feet 05:14 AM HST.
.TUESDAY...
Weather.....................Mostly sunny. A slight chance of
showers.
High Temperature............In the upper 80s.
Winds.......................East winds around 15 mph.
Tides...
Kahului..................High 2.7 feet 01:14 PM HST.
Sunrise.....................6:06 AM HST.
Sunset......................6:53 PM HST.
$$
HIZ052>054-191500-
Big Island Windward and Southeast-
355 AM HST Mon Aug 18 2025
__________________________________________________________________
Today Tuesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
North Facing 1-3 1-3 1-3 1-3
East Facing 2-4 3-5 3-5 3-5
South Facing 3-5 3-5 3-5 3-5
.TODAY...
Weather.....................Partly sunny. A chance of showers.
High Temperature............In the mid 80s.
Winds.......................East winds 5 to 10 mph.
Tides...
Hilo Bay.................High 2.7 feet 12:46 PM HST.
Sunrise.....................6:01 AM HST.
Sunset......................6:47 PM HST.
.TONIGHT...
Weather.....................Mostly cloudy. A chance of showers.
Low Temperature.............In the lower 70s.
Winds.......................East winds 5 to 10 mph.
Tides...
Hilo Bay.................Low 0.9 feet 08:09 PM HST.
High 1.1 feet 11:38 PM HST.
Low 0.0 feet 05:44 AM HST.
.TUESDAY...
Weather.....................Partly sunny. A chance of showers.
High Temperature............In the mid 80s.
Winds.......................Northeast winds around 10 mph.
Tides...
Hilo Bay.................High 2.8 feet 01:31 PM HST.
Sunrise.....................6:02 AM HST.
Sunset......................6:46 PM HST.
$$
HIZ023-026-051-191500-
Big Island Leeward-
355 AM HST Mon Aug 18 2025
__________________________________________________________________
Today Tuesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
West Facing 1-3 1-3 1-3 1-3
South Facing 3-5 3-5 2-4 2-4
.TODAY...
Weather.....................Mostly sunny. Hazy. A slight chance of
showers.
High Temperature............In the upper 80s.
Winds.......................Southwest winds around 5 mph.
Tides...
Kona.....................High 2.2 feet 01:24 PM HST.
Kawaihae.................High 2.5 feet 01:04 PM HST.
Sunrise.....................6:05 AM HST.
Sunset......................6:51 PM HST.
.TONIGHT...
Weather.....................Mostly cloudy until 12 AM, then partly
cloudy. Hazy. A slight chance of
showers.
Low Temperature.............In the lower 70s.
Winds.......................Northwest winds around 5 mph.
Tides...
Kona.....................Low 0.6 feet 08:46 PM HST.
High 0.9 feet 12:16 AM HST.
Kawaihae.................Low 0.4 feet 08:54 PM HST.
High 0.7 feet 01:06 AM HST.
.TUESDAY...
Weather.....................Mostly sunny. A chance of showers.
High Temperature............In the upper 80s.
Winds.......................Southwest winds around 5 mph.
Tides...
Kona.....................Low 0.0 feet 06:21 AM HST.
High 2.3 feet 02:09 PM HST.
Kawaihae.................Low 0.1 feet 06:14 AM HST.
High 2.6 feet 01:56 PM HST.
Sunrise.....................6:06 AM HST.
Sunset......................6:50 PM HST.
$$
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Product Legend:
Surf: Height of the surf from trough to crest (face value)
in feet.
Tides: Heights displayed are relative to the Mean Lower Low
Water (MLLW) datum in feet.
Surf heights can vary significantly from beach to beach along a
coastline. Surf larger than the upper end of the range provided in
the forecast will occur periodically, sometimes up to a few hours
apart. Expect to encounter rip currents in or near the surf zone,
with rip current strength increasing with surf size. Swimmers are
urged to exercise caution at all times and enter the water near a
lifeguard.
For the latest beach hazard and safety information at individual
beaches in Hawaii refer to:
https://hawaiibeachsafety.com
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$$