The surf forecast is flat right now for Grand Isle, LA
- WEATHER - LIVE
Nearby Wind Station GISL1 - Grand Isle, LA56° N @ 21 → 28mph - LOW / HIGH TIDE The closest low and high tides to now.3:56am / 7:31pm
- BUOY 42084 Latest wave height and wave period from Buoy 42084N
3.6ft @ 4s - WATER TEMP No nearby water temp measurements,
using satellite derived data from yesterday.68° 3/2 Wetsuit
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
MON 29
TUE 30
WED 31
THU 1
FRI 2
12am
- Clean
- Fair
- Choppy
Conditions are 1 ft and fair at 12am on Mon 12/29
TIDE LEVEL
Low Tide -0.8 ft
Forecast Details
Basic
Detail
- Monday, Dec 29
SURF WIND SWELL 6am 1 ftfairNNW
32mph1.8ft5sSSW12pm 0-1 ftfairN 26mph0.4ft6sSW6pm flatfairN 22mph0.3ft6sSW - Best Board for Monday
- Tuesday, Dec 30
SURF WIND SWELL 6am flatfairN 24mph0.3ft6sS12pm flatcleanN 17mph0.2ft7sSSE6pm flatcleanNNW 15mph0.2ft8sSSE - Wednesday, Dec 31
SURF WIND SWELL 6am flatfairN 17mph0.3ft8sSSE12pm 0-1 ftcleanN 7mph0.3ft8sSSE6pm 0-1 ftcleanWNW 7mph0.3ft8sSSE - Thursday, Jan 1
SURF WIND SWELL 6am flatcleanWNW 9mph0.2ft7sSE12pm flatfairW 6mph0.2ft8sSE6pm flatchoppySW 10mph0.9ft2sWSW - Best Surf Trip
This Week’s Swell? You Could Be On It.
- Friday, Jan 2
SURF WIND SWELL 6am 2 ftchoppySSW 17mph2.8ft4sSSW12pm 2+ ftchoppySSW 22mph3.6ft5sSSW6pm 2-3+ ftchoppySSW 20mph4.2ft5sSSW
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This forecast is for South-South-East facing beaches, and was updated Dec 29, 2025 @ 1:07pm.
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