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Kauai Surf Forecast for October 21, 2025

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Shores Tonight Tuesday
Surf Surf
PM AM AM PM
North Facing 4-6 4-6 4-6 6-8
West Facing 2-4 2-4 2-4 3-5
South Facing 1-3 1-3 1-3 1-3
East Facing 3-5 3-5 3-5 3-5
TONIGHT

Weather Mostly cloudy. Numerous showers.
Low Temperature In the lower 70s.
Winds East winds around 10 mph.
Tides
Hanalei Bay High 1.4 feet 01:40 PM HST.
Low 0.1 feet 07:17 PM HST.
High 2.1 feet 02:45 AM HST.
Nawiliwili High 1.3 feet 02:41 PM HST.
Low 0.1 feet 08:39 PM HST.
High 2.0 feet 03:46 AM HST.
TUESDAY

Weather Mostly sunny. Numerous showers.
High Temperature In the mid 80s.
Winds Northeast winds 10 to 15 mph.
Tides
Hanalei Bay Low 0.5 feet 08:42 AM HST.
High 1.2 feet 02:01 PM HST.
Nawiliwili Low 0.6 feet 10:04 AM HST.
High 1.1 feet 03:02 PM HST.
Sunrise 6:36 AM HST.
Sunset 6:08 PM HST.

Swell Summary

A series of small to moderate, long-period northwest to north- northwest swells (320-340 degrees) will fill in throughout the week, keeping surf along north and west facing shores elevated. The current northwest swell (320-330 degrees) is currently declining and will be reinforced by another small long period northwest swell (330 degrees) tomorrow evening. This next swell will peak near average late Tuesday before subsiding Wednesday afternoon. A moderate, long- period swell (330-340 degrees) could produce advisory level surf for north and west facing shores late Wednesday into Thursday. Another slightly larger, moderate, long- period swell (330-340 degrees) will fill in Friday through Saturday, keeping surf elevated along north and west facing shores above advisory levels.

Background, medium- to long-period south to southwest swells will continue to filter into the area through the week, keeping surf along south facing shores from going flat. Small, choppy surf along east facing shores will increase and become rough for the latter half of the week as the trades strengthen.

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Data Courtesy of NOAA.gov and SwellInfo.com

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