Surf spot

Grand Isle

Forecast conditions and map view for Grand Isle in USA, Gulf Coast, Louisiana. Open the interactive surf map to inspect wind, waves, and nearby spots.

Country: USA, Gulf Coast, Louisiana
Coordinates: 29.2178, -89.9962

Metric
Metric	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00
Wave height (m)	0.2	0.1	0.2	0.2	0.1	0.1	0.1	0.2	0.1	0.1	0.2	0.3	0.3	0.2	0.2	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.2	0.1	0.2	0.2	0.2	0.2	0.1	0.2	0.3	0.3	0.4	0.4	0.6	0.6	0.6	0.6	0.6	0.6	0.6
Wave direction	SE	ESE	WSW	SW	SE	SSE	S	SSW	S	S	S	SSW	SSW	SSW	SSW	SE	SSE	SSE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SE	SSE	SSE	SSE	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	SE
Wave period (s)	3.8	3.6	1.9	2.1	3.4	2.9	2.9	2.5	3	2.9	2.5	2.5	2.6	2.7	2.8	3.9	3.8	3.8	3.9	3.7	3.8	4.3	4.2	4	3.9	4.7	3.8	3.8	6.3	5	6.4	6.7	3.9	4	4.5	6.9	6.5	5.5	6.4	5.5	5.8	6	6	6	3.7	3.8	4.2	4.3	4.5	4.5	4.5	4.5	4.8	5.1	5.3	5.4
Wave energy (kJ)	1	1	0	0	0	0	0	1	0	0	1	1	1	1	0	1	0	0	1	0	0	1	1	1	0	1	0	1	1	0	1	1	0	0	1	2	2	2	2	2	2	2	2	1	1	3	4	6	8	15	17	15	17	17	18	20
Wind speed (km/h)	7.5	11.8	10.2	7.6	13.8	17.4	14.6	12.5	13.2	10.1	8.6	10.9	15.5	17.7	11.4	9.4	11.2	9.2	7	7.2	11.2	15.6	11.4	10.5	11.5	9.4	5.2	3.1	11.6	13	12.3	10.2	8.4	6.5	3.2	7.6	12.9	16.2	13.6	12.3	10.5	13.2	13.3	20.5	20.7	20.6	17.9	16.8	14.2	13.4	13	17.1	17.7	23	11.7	10.1
Wind direction	SWCross-on	WSWCross-on	WNWCross-off	WCross	WSWCross-on	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SWOnshore	SSWOnshore	SWOnshore	SOnshore	SOnshore	SOnshore	SSWOnshore	SOnshore	SOnshore	SSWOnshore	SSWOnshore	SOnshore	SOnshore	SOnshore	SSWOnshore	SSWGlassy	SSECross-on	SOnshore	SSEOnshore	SOnshore	SOnshore	SSEOnshore	NNEGlassy	ENECross-off	ESECross	ESECross-on	SECross-on	SECross-on	ESECross-on	ENECross-off	ENECross-off	ECross	ESECross	ESECross-on	ECross	ECross	ECross	ECross	ENECross-off	ECross	ECross	ENECross-off	ECross	ESECross

Grand Isle (Louisiana, USA) — Surf Spot Description

Grand Isle is Louisiana’s best-known surf destination on the Gulf Coast, though it’s very different from classic open-ocean surf breaks. It’s a low-lying barrier island exposed to Gulf swells, so waves are usually small, soft, and highly weather-dependent, with the best surf appearing during strong cold fronts, tropical systems, or passing storms.

What the waves are like

Generally weak to moderate surf
Best on south or southeast swell
More common to see knee- to waist-high waves, with occasional larger days
Wave quality can be choppy and inconsistent because of wind and shallow Gulf bathymetry

Conditions

Wind is the key factor: light offshore or calm conditions are rare but ideal
The Gulf often produces short-period wind swell, so waves can lack power
Tides, sand movement, and storm activity can change the spot quickly

Beach and setting

Grand Isle is a sandy barrier island with a laid-back coastal feel
Access is easy from the island’s beaches, but surfable sections can shift with sandbars
The surroundings are scenic in a rugged Gulf-Coast way, with open water, marshes, and fishing culture

Best time to surf

Fall through early spring often offers the best odds for rideable surf due to frontal systems
Summer can produce storm-driven surf, but conditions are often windy and messy

Skill level

Good for beginners on small days
Intermediate surfers may enjoy it when a solid swell lines up
Advanced surfers usually come only when a rare, cleaner swell event is forecast

Overall vibe

Grand Isle is more of a regional novelty surf break than a consistent destination. When it works, it can be fun and uncrowded, but the spot is best approached with flexible expectations and an eye on the weather.