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Southwest Pass, LA tide chart and marine alerts

NOAA station 8760922 · 28.932°N, 89.407°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 8760922

Southwest Pass, LA

Tide now1.3 ft↓ falling · predicted

Next high10:01 PM1.5 ft

Next low9:51 AM−0.1 ft

WindN 17 ktgusts 19
Water74°F
Air70°F
NOAA sensors · 12:30 AM

No active NWS marine or coastal alerts here

NOAA sensor 2.5 ft at 12:30 AM (+1.2 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	10:01 PM 1.5 ft	9:51 AM −0.1 ft	6:18 AM 5:05 PM	Waxing crescent 18%
Sat, Nov 14	10:42 PM 1.4 ft	10:35 AM −0.1 ft	6:19 AM 5:04 PM	Waxing crescent 26%
Sun, Nov 15	11:21 PM 1.3 ft	11:14 AM 0.0 ft	6:20 AM 5:04 PM	Waxing crescent 34%
Mon, Nov 16	11:57 PM 1.2 ft	11:44 AM 0.1 ft	6:21 AM 5:03 PM	Waxing crescent 44%
Tue, Nov 17	—	11:59 AM 0.2 ft	6:22 AM 5:03 PM	First quarter 54%
Wed, Nov 18	12:24 AM 1.0 ft9:04 PM 0.8 ft	11:53 AM 0.3 ft	6:23 AM 5:02 PM	Waxing gibbous 64%
Thu, Nov 19	7:08 PM 0.8 ft	11:32 AM 0.5 ft	6:23 AM 5:02 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	9:51 AM	−0.1 ft
High	10:01 PM	1.5 ft

Tomorrow Saturday, Nov 14

Tide	Time (CST)	Height
Low	10:35 AM	−0.1 ft
High	10:42 PM	1.4 ft

Sunday Sunday, Nov 15

Tide	Time (CST)	Height
Low	11:14 AM	0.0 ft
High	11:21 PM	1.3 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 12:44 AM CST).

Marine forecast GMZ554 · Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm

Tonight: North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds.
Friday: North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds.
Friday Night: North winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds.
Saturday: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds.
Saturday Night: Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds.
Sunday: East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
Sunday Night: East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers after midnight.
Monday: East winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 9 feet, occasionally to 11 feet in the afternoon. Wave Detail: East 6 feet at 8 seconds, becoming east 9 feet at 8 seconds. A chance of showers.
Monday Night: East winds 25 to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: East 10 feet at 9 seconds. A chance of showers.
Tuesday: East winds 25 to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: East 10 feet at 9 seconds. A chance of showers, mainly in the morning.

National Weather Service, issued Thu 4:37 PM CST. Official forecast for GMZ554

Unusual tides here

We flag a predicted high at or above 2.9 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 1.2 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 2.5 ft at 12:30 AM.

Nearby stations

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Southwest Pass, LA: common questions

When is the next high tide at Southwest Pass, LA?

NOAA predicts the next high tide at Southwest Pass, LA at Fri 10:01 PM CST, 1.5 ft above mean lower low water (MLLW).

When is the next low tide at Southwest Pass, LA?

The next predicted low tide is at Fri 9:51 AM CST, −0.1 ft relative to MLLW.

What is the water temperature at Southwest Pass, LA?

NOAA's sensor at station 8760922 read 74°F at Fri 12:30 AM CST.

Is there a marine alert for Southwest Pass, 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 Southwest Pass, 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.