The surf forecast is flat right now for Grand Isle, LA
- WEATHER - LIVE
Nearby Wind Station GISL1 - Grand Isle, LA48° N @ 22 → 31mph - LOW / HIGH TIDE The closest low and high tides to now.7:57am / 11:07pm
- BUOY 42084 Latest wave height and wave period from Buoy 42084NNE
4.6ft @ 5s - WATER TEMP No nearby water temp measurements,
using satellite derived data from yesterday.64° 3/2 Wetsuit
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
SUN 18
MON 19
TUE 20
WED 21
6am
- Clean
- Fair
- Choppy
Conditions are 0-1 ft and fair at 6am on Sat 1/17
TIDE LEVEL
Low Tide -1 ft
Forecast Details
Basic
Detail
- Saturday, Jan 17
SURF WIND SWELL 6am 0-1 ftfairNNE
16mph1.4ft5sSW12pm 0-1 ftchoppyNNE 17mph1.1ft5sSW6pm flatchoppyNNE 24mph0.7ft5sSW - Best Board for Saturday
- Sunday, Jan 18
SURF WIND SWELL 6am flatfairN 24mph0.3ft6sSW12pm flatcleanNNW 16mph0.2ft7sSW6pm flatcleanNNW 13mph0.3ft5sESE - Monday, Jan 19
SURF WIND SWELL 6am flatcleanNW 8mph0.9ft2sN12pm flatcleanN 11mph0.8ft2sNE6pm flatfairNNE 13mph0.2ft4sWSW - Tuesday, Jan 20
SURF WIND SWELL 6am flatchoppyNNE 17mph0.2ft8sSE12pm flatchoppyNE 15mph0.2ft8sSE6pm flatchoppyENE 15mph0.2ft11sSE - Best Surf Trip
Surf Witch’s Rock. Stay in Tamarindo.
- Wednesday, Jan 21
SURF WIND SWELL 6am 1 ftchoppyENE 8mph1.2ft6sESE12pm 1+ ftchoppyESE 12mph1.6ft6sESE6pm 1 ftchoppyESE 14mph1.9ft3sSE
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This forecast is for South-South-East facing beaches, and was updated Jan 17, 2026 @ 7:11pm.
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