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Grand Isle, LA tide chart and marine alerts

NOAA station 8761724 · 29.263°N, 89.957°W. Get an email only when the NWS issues a marine or coastal alert here, or the tide runs unusually high or low.

NOAA station 8761724

Grand Isle, LA

Tide now1.4 ft↓ falling · predicted

Next high11:36 PM1.5 ft

Next low10:41 AM0.0 ft

WindNW 9 ktgusts 12
Water72°F
Air68°F
NOAA sensors · 12:30 AM

No active NWS marine or coastal alerts here

NOAA sensor 1.7 ft at 12:30 AM (+0.3 ft vs prediction)Times CST · NOAA source

Today and tomorrow

Next 7 days Shape drawn between NOAA's predicted highs and lows

7-day tides, sun and moon Times CST · feet above MLLW

Day	High tides	Low tides	Sunrise Sunset	Moon
Fri, Nov 13	11:36 PM 1.5 ft	10:41 AM 0.0 ft	6:21 AM 5:06 PM	Waxing crescent 18%
Sat, Nov 14	—	11:20 AM 0.0 ft	6:22 AM 5:06 PM	Waxing crescent 26%
Sun, Nov 15	12:14 AM 1.4 ft	11:56 AM 0.1 ft	6:23 AM 5:05 PM	Waxing crescent 34%
Mon, Nov 16	12:43 AM 1.3 ft	12:24 PM 0.2 ft	6:24 AM 5:05 PM	Waxing crescent 44%
Tue, Nov 17	12:59 AM 1.1 ft	12:39 PM 0.3 ft	6:25 AM 5:04 PM	First quarter 54%
Wed, Nov 18	12:56 AM 1.0 ft9:57 PM 0.8 ft	12:28 PM 0.4 ft	6:25 AM 5:04 PM	Waxing gibbous 64%
Thu, Nov 19	7:59 PM 0.8 ft	11:56 AM 0.5 ft	6:26 AM 5:04 PM	Waxing gibbous 73%

Tides: NOAA CO-OPS predictions. Sun and moon: computed for this station's coordinates with NOAA's solar equations and standard lunar formulas.

Today Friday, Nov 13

Tide	Time (CST)	Height
Low	10:41 AM	0.0 ft
High	11:36 PM	1.5 ft

Tomorrow Saturday, Nov 14

Tide	Time (CST)	Height
Low	11:20 AM	0.0 ft

Sunday Sunday, Nov 15

Tide	Time (CST)	Height
High	12:14 AM	1.4 ft
Low	11:56 AM	0.1 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 12:39 AM CST).

Marine forecast GMZ553 · Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM

Tonight: North winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds.
Friday: North winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds.
Friday Night: North winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds.
Saturday: Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds.
Saturday Night: East winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
Sunday: East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
Sunday Night: East winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds and southeast 5 feet at 8 seconds. A slight chance of showers.
Monday: East winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. A chance of showers.
Monday Night: Northeast winds 25 to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 9 seconds and northeast 4 feet at 3 seconds. A chance of showers.
Tuesday: Northeast winds 25 to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 10 seconds and northeast 4 feet at 3 seconds. A slight chance of showers.

National Weather Service, issued Thu 4:37 PM CST. Official forecast for GMZ553

Unusual tides here

We flag a predicted high at or above 2.5 ft MLLW (NOAA's minor high-tide flooding threshold for this station). We flag a predicted low at or below −1.0 ft MLLW. Mean higher high water is 1.1 ft.

No predicted tide in the next few days crosses either line.

Official sources

Predictions are astronomical tides. Wind and pressure can move the real water level a foot or more. NOAA's sensor here read 1.7 ft at 12:30 AM.

Nearby stations

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Grand Isle, LA: common questions

When is the next high tide at Grand Isle, LA?

NOAA predicts the next high tide at Grand Isle, LA at Fri 11:36 PM CST, 1.5 ft above mean lower low water (MLLW).

When is the next low tide at Grand Isle, LA?

The next predicted low tide is at Fri 10:41 AM CST, 0.0 ft relative to MLLW.

What is the water temperature at Grand Isle, LA?

NOAA's sensor at station 8761724 read 72°F at Fri 12:30 AM CST.

Is there a marine alert for Grand Isle, LA right now?

No. When this page was built, no NWS marine or coastal alert covered this station.

What are these tide heights measured from?

Heights are in feet above mean lower low water (MLLW), the average of the lower of the two daily low tides. A negative number means the water is below that average.

How do I get an email when something happens at Grand Isle, LA?

Enter your email at the top of this page. You get one confirmation email, then nothing until the NWS issues a marine or coastal alert here or the tide is predicted unusually high or low. Unsubscribe in one click.