Grand Isle Surf Forecast — Louisiana, United States

Gulf barrier-island beach break in southeast Louisiana. Small, short-period, wind- and storm-dependent surf.

Grand Isle is a surf spot in Louisiana, United States located at 29.2400, -89.9800. View the free 16-day forecast: wave height, swell period and direction, wind speed and direction, tide and live buoy conditions, plus a multi-day surf outlook and model comparison.

Grand Isle wind forecast for kitesurfing, wing foiling and windsurfing: hourly wind speed in knots, gusts and direction relative to the shore, blended from every weather model that reaches the spot.

SwellByte

GRAND ISLE

Flat
0.5ft @ 9s SSE
High confidence
Wind
4mph
Offshore
Temp
83°F
Water: 87°F

FORECAST

SUN
13/09
Flat
2
MON
14/09
Flat
6
TUE
15/09
Flat
5
WED
16/09
1-2ft
9
THU
17/09
1-3ft
9

SUNDAY 13/09

Surf
Swell
Wind
Energy
6am
Flat
0.5ft@ 8s SSE
24
mph
4.2kJ
Noon
Flat
0.5ft@ 6s S
35
mph
0.8kJ
6pm
Flat
0.7ft@ 5s S
910
mph
1.0kJ
Show all 8 hours

MONDAY 14/09

Surf
Swell
Wind
Energy
6am
Flat
0.5ft@ 5s S
67
mph
0.4kJ
Noon
Flat
0.5ft@ 5s S
47
mph
0.4kJ
6pm
Flat
0.7ft@ 5s S
1314
mph
0.5kJ
Show all 8 hours

TUESDAY 15/09

Surf
Swell
Wind
Energy
6am
Flat
0.5ft@ 5s S
55
mph
1.3kJ
Noon
Flat
0.5ft@ 7s SSE
88
mph
2.8kJ
6pm
Flat
1.0ft@ 2s SE
1313
mph
0.2kJ
Show all 8 hours

WEDNESDAY 16/09

Surf
Swell
Wind
Energy
6am
Flat
1.2ft@ 3s ESE
98
mph
0.3kJ
Noon
Flat
1.8ft@ 4s SE
1317
mph
1.5kJ
6pm
1-2ft
3.0ft@ 5s SE
1618
mph
6.7kJ
Show all 8 hours

THURSDAY 17/09

Surf
Swell
Wind
Energy
6am
1-3ft
2.1ft@ 8s SE
99
mph
29.7kJ
Noon
1-3ft
2.0ft@ 7s SE
1620
mph
22.9kJ
6pm
Flat
2.6ft@ 4s E
1416
mph
0.9kJ
Show all 8 hours

TIDES

No tide data available. Tide predictions require a nearby NOAA station
Sunrise: 6:43amSunset: 7:07pm
UV Index: 0.0Cloud Cover: 0%
VIEW MAP
N/A
Swell
N/A
Wind
12.3 mi
Visibility
0/5
Rating

SwellByte Surfguide

Grand Isle is a popular surf destination. Check the current conditions and forecast to plan your session. The rating system helps you understand the quality of the surf based on wave height, period, direction, wind conditions, and tide.