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Kauai Surf Forecast for August 21, 2025

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Shores Today Friday
Surf Surf
AM PM AM PM
North Facing 0-2 0-2 0-2 0-2
West Facing 2-4 2-4 2-4 2-4
South Facing 3-5 3-5 3-5 3-5
East Facing 1-3 1-3 1-3 1-3
TODAY

Weather Partly sunny. Scattered showers.
High Temperature In the upper 80s.
Winds East winds 10 to 15 mph.
Tides
Hanalei Bay Low 0.0 feet 06:21 AM HST.
High 2.5 feet 02:10 PM HST.
Nawiliwili Low 0.0 feet 07:43 AM HST.
High 2.3 feet 03:11 PM HST.
Sunrise 6:17 AM HST.
Sunset 7:04 PM HST.
TONIGHT

Weather Mostly cloudy until 12 AM, then partly
cloudy. Scattered showers.
Low Temperature In the mid 70s.
Winds East winds around 10 mph.
Tides
Hanalei Bay Low 0.4 feet 08:37 PM HST.
High 1.1 feet 01:56 AM HST.
Nawiliwili Low 0.4 feet 09:59 PM HST.
High 1.1 feet 02:57 AM HST.
FRIDAY

Weather Mostly sunny. Isolated showers.
High Temperature In the upper 80s.
Winds East winds around 10 mph.
Tides
Hanalei Bay Low 0.0 feet 07:06 AM HST.
High 2.4 feet 02:42 PM HST.
Nawiliwili Low 0.0 feet 08:28 AM HST.
High 2.2 feet 03:43 PM HST.
Sunrise 6:17 AM HST.
Sunset 7:03 PM HST.

Swell Summary

A series of small overlapping medium and long period south swells will continue for the rest of this week, with surf heights near the summertime average through Saturday along south facing shores. The largest of these south swells will arrive in the islands later today and hold through Friday. Surf heights should decrease to background levels early next week as the swell energy fades. Another small, long period south swell will arrive by next week Tuesday.

Choppy conditions will continue for east facing shores through the forecast period due to the persistent fresh trades. Surf along north facing shores will remain nearly flat through next week.

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Data Courtesy of NOAA.gov and SwellInfo.com

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