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Port Isabel, TX tide chart and marine alerts

NOAA station 8779770 · 26.061°N, 97.216°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 8779770

Port Isabel, TX

Tide now1.8 ft↓ falling · predicted

Next high10:22 PM1.8 ft

Next low11:20 AM0.1 ft

WindNNW 4 ktgusts 6
Water75°F
Air69°F
NOAA sensors · 11:36 PM

No active NWS marine or coastal alerts here

NOAA sensor 2.7 ft at 11:36 PM (+0.9 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
Thu, Nov 12	9:24 PM 1.8 ft	10:32 AM 0.1 ft	6:44 AM 5:41 PM	Waxing crescent 12%
Fri, Nov 13	10:22 PM 1.8 ft	11:20 AM 0.1 ft	6:45 AM 5:41 PM	Waxing crescent 18%
Sat, Nov 14	10:56 PM 1.7 ft	12:09 PM 0.2 ft	6:46 AM 5:40 PM	Waxing crescent 26%
Sun, Nov 15	11:12 PM 1.7 ft	12:54 PM 0.3 ft	6:47 AM 5:40 PM	Waxing crescent 34%
Mon, Nov 16	11:14 PM 1.6 ft	1:37 PM 0.4 ft	6:47 AM 5:39 PM	Waxing crescent 44%
Tue, Nov 17	11:13 PM 1.5 ft	2:28 PM 0.6 ft	6:48 AM 5:39 PM	First quarter 54%
Wed, Nov 18	11:12 PM 1.4 ft	3:44 PM 0.7 ft	6:49 AM 5:39 PM	Waxing gibbous 64%

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

Today Thursday, Nov 12

Tide	Time (CST)	Height
Low	10:32 AM	0.1 ft
High	9:24 PM	1.8 ft

Tomorrow Friday, Nov 13

Tide	Time (CST)	Height
Low	11:20 AM	0.1 ft
High	10:22 PM	1.8 ft

Saturday Saturday, Nov 14

Tide	Time (CST)	Height
Low	12:09 PM	0.2 ft
High	10:56 PM	1.7 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 11:44 PM CST).

Marine forecast GMZ130 · Laguna Madre From the Port Of Brownsville to the Arroyo Colorado

Rest Of Today: North winds 10 to 15 knots. A moderate chop on the bay.
Tonight: North winds 5 to 10 knots. Light chop on the bay.
Friday: North winds around 5 knots, becoming northeast in the afternoon. Light chop on the bay.
Friday Night: East winds 5 to 10 knots, becoming southeast after midnight, then increasing to 10 to 15 knots early in the morning. Light chop on the bay, increasing to a moderate chop early in the morning.
Saturday: Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Saturday Night: Southeast winds 15 to 20 knots. Choppy on the bay. A slight chance of showers.
Sunday: Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots late in the afternoon. Choppy on the bay, diminishing to a moderate chop late in the afternoon. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.
Sunday Night: East winds around 10 knots, becoming northeast after midnight, then becoming north 15 to 20 knots early in the morning. Light chop on the bay, increasing to a moderate chop after midnight, then increasing to choppy early in the morning. A slight chance of thunderstorms in the evening. A chance of showers.
Monday: North winds 15 to 20 knots, increasing to 20 to 25 knots with gusts up to 30 knots in the afternoon, then diminishing to 15 to 20 knots with gusts up to 30 knots late in the afternoon. Choppy on the bay, increasing to rough in the afternoon, then diminishing to choppy late in the afternoon. A chance of showers, mainly in the morning.
Monday Night: North winds 15 to 20 knots. Choppy on the bay. A slight chance of showers. Winds and waves higher in and near thunderstorms.

National Weather Service, issued Thu 1:12 PM CST. Official forecast for GMZ130

Unusual tides here

We flag a predicted high at or above 3.4 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 1.4 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 2.7 ft at 11:36 PM.

Nearby stations

Realitos Pennisula, Laguna Madre, TX 15 mi
Corpus Christi (Bob Hall Pier), TX 105 mi
Port Aransas, TX 123 mi
Viola Turning Basin, TX 125 mi
Copano Bay, TX 143 mi
Aransas Wildlife Refuge, TX 152 mi

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Port Isabel, TX: common questions

When is the next high tide at Port Isabel, TX?

NOAA predicts the next high tide at Port Isabel, TX at Fri 10:22 PM CST, 1.8 ft above mean lower low water (MLLW).

When is the next low tide at Port Isabel, TX?

The next predicted low tide is at Fri 11:20 AM CST, 0.1 ft relative to MLLW.

What is the water temperature at Port Isabel, TX?

NOAA's sensor at station 8779770 read 75°F at Thu 11:36 PM CST.

Is there a marine alert for Port Isabel, TX 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 Port Isabel, TX?

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.