Kaua‘i Surf

Kauai Surf Forecast for August 20, 2026

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Shores Tonight Thursday
Surf Surf
PM AM AM PM
North Facing 0-2 0-2 0-2 0-2
West Facing 1-3 1-3 1-3 1-3
South Facing 2-4 2-4 2-4 2-4
East Facing 2-4 2-4 2-4 2-4
TONIGHT

Weather Partly sunny until 6 PM, then partly
cloudy. Isolated showers.
Low Temperature In the mid 70s.
Winds East winds 5 to 10 mph.
Tides
Hanalei Bay Low 0.3 feet 12:50 AM HST.
Nawiliwili Low 0.3 feet 02:12 AM HST.
THURSDAY

Weather Partly sunny. Scattered showers.
High Temperature In the upper 80s.
Winds East winds around 5 mph, increasing to
northeast around 15 mph in the
afternoon.
Tides
Hanalei Bay High 1.8 feet 10:21 AM HST.
Nawiliwili High 1.7 feet 11:22 AM HST.
Sunrise 6:17 AM HST.
Sunset 7:05 PM HST.

Swell Summary

Surf along south facing shores will remain slightly below average through Thursday. A long period south-southwest swell generated from gales just south and east of New Zealand will begin arriving late Thursday into Friday, boosting surf to near average. Surf along east facing shores will continue to fade as background flow becomes weaker, then build heading into this weekend as the trades restrengthen. North facing shores will remain tiny through Friday, with a slight bump from Lala swell possible this weekend.

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Data Courtesy of NOAA.gov and SwellInfo.com

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