Surf Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
973
FZHW52 PHFO 181852
SRFHFO
Surf Zone Forecast for Hawaii
National Weather Service Honolulu HI
852 AM HST Tue Aug 18 2026
.DISCUSSION...
Surf along south facing shores will slowly decline through midweek as
offshore buoys south of the islands continue to decline. Another long
period south swell generated from gales just south and east of New
Zealand will begin arriving late this week. Surf along east facing
shores will continue to fade as trades decrease today. North facing
shores will remain tiny throughout the week.
HIZ003-029>031-192000-
Kauai-
852 AM HST Tue Aug 18 2026
__________________________________________________________________
Today Wednesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
North Facing 0-2 0-2 0-2 0-2
West Facing 3-5 2-4 1-3 1-3
South Facing 5-7 4-6 3-5 3-5
East Facing 3-5 2-4 2-4 2-4
.REST OF TODAY...
Weather.....................Mostly sunny. Isolated showers.
High Temperature............In the upper 80s.
Winds.......................East winds around 10 mph.
Tides...
Hanalei Bay..............Low 0.9 feet 01:53 PM HST.
High 1.1 feet 04:36 PM HST.
Nawiliwili...............High 1.6 feet 08:38 AM HST.
Low 1.0 feet 03:15 PM HST.
High 1.1 feet 05:37 PM HST.
Sunrise.....................6:16 AM HST.
Sunset......................7:06 PM HST.
.TONIGHT...
Weather.....................Partly cloudy until 12 AM, then mostly
cloudy. Scattered showers.
Low Temperature.............In the mid 70s.
Winds.......................East winds around 10 mph.
Tides...
Hanalei Bay..............Low 0.3 feet 12:02 AM HST.
Nawiliwili...............Low 0.3 feet 01:24 AM HST.
.WEDNESDAY...
Weather.....................Mostly cloudy. Scattered showers.
High Temperature............In the upper 80s.
Winds.......................East winds around 10 mph.
Tides...
Hanalei Bay..............High 1.8 feet 08:59 AM HST.
Nawiliwili...............High 1.6 feet 10:00 AM HST.
Sunrise.....................6:16 AM HST.
Sunset......................7:06 PM HST.
$$
HIZ006-007-009-032>035-192000-
Oahu-
852 AM HST Tue Aug 18 2026
__________________________________________________________________
Today Wednesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
North Facing 0-2 0-2 0-2 0-2
West Facing 3-5 2-4 1-3 1-3
South Facing 5-7 4-6 3-5 3-5
East Facing 3-5 2-4 2-4 2-4
.REST OF TODAY...
UV Index....................Extreme.
Weather.....................Mostly sunny. Isolated showers.
High Temperature............In the mid 80s.
Winds.......................East winds around 15 mph.
Tides...
Honolulu.................High 1.7 feet 09:00 AM HST.
Low 0.9 feet 03:33 PM HST.
Waianae..................High 1.6 feet 09:20 AM HST.
Low 0.9 feet 03:51 PM HST.
Haleiwa..................Low 0.7 feet 01:28 PM HST.
Mokuoloe.................Low 1.4 feet 12:26 PM HST.
High 1.6 feet 04:13 PM HST.
Sunrise.....................6:11 AM HST.
Sunset......................7:00 PM HST.
.TONIGHT...
Weather.....................Partly cloudy. Scattered showers.
Low Temperature.............In the mid 70s.
Winds.......................East winds 10 to 15 mph.
Tides...
Honolulu.................High 1.0 feet 07:03 PM HST.
Low 0.3 feet 01:59 AM HST.
Waianae..................High 0.9 feet 07:23 PM HST.
Low 0.3 feet 02:17 AM HST.
Haleiwa..................High 0.8 feet 06:01 PM HST.
Low 0.2 feet 11:54 PM HST.
Mokuoloe.................Low 0.4 feet 12:26 AM HST.
.WEDNESDAY...
UV Index....................Extreme.
Weather.....................Cloudy. Scattered showers.
High Temperature............In the mid 80s.
Winds.......................East winds around 10 mph.
Tides...
Honolulu.................High 1.7 feet 10:13 AM HST.
Waianae..................High 1.6 feet 10:33 AM HST.
Haleiwa..................High 1.4 feet 09:11 AM HST.
Mokuoloe.................High 1.8 feet 10:04 AM HST.
Sunrise.....................6:12 AM HST.
Sunset......................6:59 PM HST.
$$
HIZ017-018-045>050-192000-
Maui-
852 AM HST Tue Aug 18 2026
__________________________________________________________________
Today Wednesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
North Facing 0-2 0-2 0-2 0-2
West Facing 1-3 1-3 1-3 1-3
South Facing 5-7 4-6 3-5 3-5
East Facing 3-5 2-4 2-4 2-4
.REST OF TODAY...
Weather.....................Mostly sunny. Isolated showers.
High Temperature............In the lower 80s.
Winds.......................East winds 10 to 15 mph.
Tides...
Kahului..................Low 1.4 feet 11:48 AM HST.
High 1.7 feet 04:26 PM HST.
Sunrise.....................6:06 AM HST.
Sunset......................6:54 PM HST.
.TONIGHT...
Weather.....................Partly cloudy until 12 AM, then mostly
cloudy. Scattered showers.
Low Temperature.............In the mid 70s.
Winds.......................East winds around 10 mph.
Tides...
Kahului..................Low 0.4 feet 12:01 AM HST.
.WEDNESDAY...
Weather.....................Mostly cloudy. Scattered showers.
High Temperature............In the lower 80s.
Winds.......................Northeast winds around 10 mph.
Tides...
Kahului..................High 1.7 feet 08:50 AM HST.
Sunrise.....................6:06 AM HST.
Sunset......................6:53 PM HST.
$$
HIZ052>054-192000-
Big Island Windward and Southeast-
852 AM HST Tue Aug 18 2026
__________________________________________________________________
Today Wednesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
North Facing 0-2 0-2 0-2 0-2
East Facing 3-5 2-4 2-4 2-4
South Facing 5-7 4-6 3-5 3-5
.REST OF TODAY...
Weather.....................Mostly cloudy. Isolated showers.
High Temperature............In the mid 80s.
Winds.......................Northeast winds 5 to 10 mph.
Tides...
Hilo Bay.................Low 1.3 feet 01:16 PM HST.
High 1.6 feet 05:49 PM HST.
Sunrise.....................6:01 AM HST.
Sunset......................6:47 PM HST.
.TONIGHT...
Weather.....................Cloudy. Scattered showers.
Low Temperature.............In the lower 70s.
Winds.......................Northeast winds around 5 mph.
Tides...
Hilo Bay.................Low 0.3 feet 01:00 AM HST.
.WEDNESDAY...
Weather.....................Cloudy. Scattered showers.
High Temperature............In the mid 80s.
Winds.......................North winds around 5 mph.
Tides...
Hilo Bay.................High 1.9 feet 09:08 AM HST.
Sunrise.....................6:02 AM HST.
Sunset......................6:46 PM HST.
$$
HIZ023-026-051-192000-
Big Island Leeward-
852 AM HST Tue Aug 18 2026
__________________________________________________________________
Today Wednesday
Shores Surf Surf
AM PM AM PM
__________________________________________________________________
West Facing 3-5 2-4 1-3 1-3
South Facing 5-7 4-6 3-5 3-5
.REST OF TODAY...
Weather.....................Mostly cloudy. Scattered showers.
High Temperature............In the mid 80s.
Winds.......................Northwest winds around 5 mph.
Tides...
Kona.....................High 1.6 feet 08:12 AM HST.
Low 0.8 feet 01:53 PM HST.
Kawaihae.................High 1.9 feet 08:45 AM HST.
Low 1.0 feet 03:04 PM HST.
Sunrise.....................6:05 AM HST.
Sunset......................6:51 PM HST.
.TONIGHT...
Weather.....................Mostly cloudy. Scattered showers.
Low Temperature.............Around 70.
Winds.......................North winds around 5 mph.
Tides...
Kona.....................High 1.3 feet 06:27 PM HST.
Low 0.2 feet 01:37 AM HST.
Kawaihae.................High 1.2 feet 07:09 PM HST.
Low 0.3 feet 01:54 AM HST.
.WEDNESDAY...
Weather.....................Mostly cloudy. Scattered showers.
High Temperature............In the upper 80s.
Winds.......................Northwest winds around 5 mph.
Tides...
Kona.....................High 1.6 feet 09:46 AM HST.
Low 0.9 feet 04:24 PM HST.
High 1.1 feet 05:45 PM HST.
Kawaihae.................High 1.9 feet 09:55 AM HST.
Sunrise.....................6:06 AM HST.
Sunset......................6:50 PM HST.
$$
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Product Legend:
Surf: Height of the surf from trough to crest (face value)
in feet.
Tides: Heights displayed are relative to the Mean Lower Low
Water (MLLW) datum in feet.
Surf heights can vary significantly from beach to beach along a
coastline. Surf larger than the upper end of the range provided in
the forecast will occur periodically, sometimes up to a few hours
apart. Expect to encounter rip currents in or near the surf zone,
with rip current strength increasing with surf size. Swimmers are
urged to exercise caution at all times and enter the water near a
lifeguard.
For the latest beach hazard and safety information at individual
beaches in Hawaii refer to:
https://hawaiibeachsafety.com
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$$