SwellByte

Kauai Surf Forecast

Free surf forecast for Kauai, United States — 16 surf spots. Wave height, swell, wind, tide and live buoy conditions with a 16-day outlook, no subscription, updated daily on SwellByte.

Best surf spot in Kauai by day

Top-rated of 16 spots each day

Surf spots in Kauai

Best wind spot in Kauai

Where the wind is best for kitesurfing, wing foiling and windsurfing over the next few days — rated on cross-shore direction and strength in knots, not on waves.

  • Mon 14 SeptAcid DropModerate, cross-shore, best around 15:00
  • Tue 15 SeptAcid DropModerate, cross-shore, best around 15:00
  • Wed 16 SeptAcid DropModerate, cross-shore, best around 12:00
  • Thu 17 SeptMajors BayPrime, cross-shore, very gusty, best around 12:00

Monthly conditions in Kauai

How often each surf size shows up by month, 2020–2024, measured near Hanalei Bay. Bars fill from the bottom by the share of days reaching each surf size; white at the top is smaller days. The percentage is the chance of a surfable day.

2–4ft4–6ft6–8ft8–12ft12ft+
Jan
100%
Feb
100%
Mar
100%
Apr
100%
May
96%
Jun
87%
Jul
86%
Aug
85%
Sep
93%
Oct
100%
Nov
100%
Dec
100%
Swell period
14s
14s
13s
11s
11s
9s
8s
9s
10s
12s
13s
14s
Water temp
77°F
76°F
75°F
76°F
78°F
79°F
79°F
80°F
80°F
81°F
80°F
78°F