Nearby Harbors
26.0600’ N, 97.2150’ W

Port Isabel, TX

81°
H -°
L 78°
SE
11mph
Low tide
12:52 pm
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Port Isabel, TX Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Oct 14 		Mostly Clear -º / 78º 3% SE 11 mph 75%
Thu
Oct 15 		Mostly Sunny
View Hourly 		89º / 76º 8% ESE 14 mph 62%
3am Clear 81º 2% SE 11 mph 73%
4am Clear 81º 3% SE 10 mph 73%
5am Mostly Clear 80º 4% SE 10 mph 74%
6am Mostly Clear 80º 4% SE 9 mph 74%
7am Mostly Clear 79º 4% SE 9 mph 74%
8am Partly Cloudy 80º 4% SE 9 mph 74%
9am Partly Cloudy 83º 4% SE 11 mph 69%
10am Partly Cloudy 85º 8% SE 13 mph 63%
11am Partly Cloudy 86º 4% SE 13 mph 59%
12pm Partly Cloudy 87º 1% SE 14 mph 57%
1pm Partly Cloudy 87º 7% SE 14 mph 57%
2pm Mostly Sunny 88º 2% ESE 14 mph 56%
3pm Sunny 88º 1% ESE 13 mph 56%
4pm Sunny 87º 1% ESE 13 mph 57%
5pm Sunny 86º 1% ESE 13 mph 58%
6pm Sunny 85º 8% ESE 12 mph 60%
7pm Sunny 83º 14% ESE 11 mph 65%
8pm Clear 83º 5% E 10 mph 67%
9pm Clear 82º 2% E 10 mph 67%
10pm Partly Cloudy 82º 8% ESE 8 mph 68%
11pm Partly Cloudy 81º 3% ESE 7 mph 68%
Fri
Oct 16 		PM Showers/Wind
View Hourly 		84º / 65º 42% N 28 mph 71%
12am Mostly Clear 81º 3% ESE 7 mph 70%
1am Clear 80º 2% ESE 6 mph 72%
2am Clear 79º 3% ESE 4 mph 74%
3am Partly Cloudy 79º 4% E 3 mph 74%
4am Mostly Clear 79º 6% NNE 3 mph 76%
5am Partly Cloudy 78º 13% N 4 mph 77%
6am Mostly Clear 78º 12% N 5 mph 79%
7am Mostly Clear 77º 21% NNW 8 mph 81%
8am Mostly Sunny 77º 6% NNW 8 mph 81%
9am Partly Cloudy 80º 24% NNW 10 mph 78%
10am Partly Cloudy 81º 23% N 14 mph 73%
11am Partly Cloudy 83º 17% N 17 mph 66%
12pm Partly Cloudy/Wind 83º 18% N 21 mph 65%
1pm Few Showers/Wind 83º 34% N 24 mph 67%
2pm Showers/Wind 82º 42% NNE 27 mph 70%
3pm Showers/Wind 82º 43% NNE 27 mph 69%
4pm Mostly Cloudy/Wind 81º 21% N 27 mph 70%
5pm Mostly Cloudy/Wind 81º 19% N 28 mph 66%
6pm Cloudy/Wind 79º 7% N 28 mph 67%
7pm Mostly Cloudy/Wind 78º 4% N 27 mph 66%
8pm Mostly Cloudy/Wind 77º 3% N 25 mph 65%
9pm Mostly Cloudy/Wind 76º 3% N 26 mph 61%
10pm Mostly Cloudy/Wind 75º 0% N 27 mph 58%
11pm Mostly Cloudy/Wind 74º 0% N 25 mph 56%
Sat
Oct 17 		Cloudy/Wind
View Hourly 		71º / 64º 4% NNW 25 mph 57%
12am Mostly Cloudy/Wind 73º 0% N 26 mph 55%
1am Mostly Cloudy/Wind 72º 0% N 26 mph 57%
2am Mostly Cloudy/Wind 71º 0% N 26 mph 59%
Sun
Oct 18 		Mostly Cloudy 77º / 69º 11% N 16 mph 59%
Mon
Oct 19 		Cloudy 80º / 73º 24% NNE 14 mph 67%
Tue
Oct 20 		AM Showers 84º / 75º 37% NE 14 mph 71%
Wed
Oct 21 		Showers 85º / 77º 55% E 15 mph 73%

Weather Radar for Port Isabel, TX See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Isabel, TX

Overnight
Low : 80ºF
SE wind 12 to 15 kt. Mostly clear. Seas 1 ft or less.
Thursday
High : 85ºF
SE wind 10 to 12 kt. Sunny. Seas 1 ft or less.
Thursday Night
Low : 78ºF
ESE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Friday
High : 83ºF
N wind 6 to 16 kt increasing to 17 to 27 kt in the afternoon. Winds could gust as high as 33 kt. A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Seas 1 ft or less.
Friday Night
Low : 68ºF
N wind around 27 kt, with gusts as high as 36 kt. A chance of showers between 10pm and 1am. Seas 1 ft or less.
Saturday
High : 73ºF
N wind 23 to 27 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 1 ft or less.
Saturday Night
Low : 69ºF
N wind 13 to 18 kt. Partly cloudy. Seas 1 ft or less.
Sunday
High : 76ºF
NNW wind around 17 kt. Partly sunny. Seas 1 ft or less.
Sunday Night
Low : 72ºF
NNE wind 7 to 12 kt. A slight chance of showers. Seas 1 ft or less.

NOAA Buoy Data Near Port Isabel, TX See Map

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    Wind Speed Forecast for Port Isabel, TX

    ThursdayFridaySaturday
    Wind Speed (MPH) 11913131173817272725
    8am12pm4pm8pm12am4am8am12pm4pm8pm12am4am
    MPH 11913131173817272725
    DIR SESESEESEESEESEENNWNNNENN

    Current Weather Conditions In Port Isabel, TX

    As Of: 37 minutes ago

    • 81ºF
    • 87ºF
    • 11mph
    • 0º (SE)
    • 11mph
    • Clear
    • 10mi
    • 29.92"
    • 73%
    • 0ºF

    The weather right now in Port Isabel, TX is Clear. The current temperature is 81°F, and the expected high and low for today, Thursday, October 15, 2026, are -° high temperature and 78°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the Southeast. The wind is gusting to 11 mph. With the wind and the atmosphere the temperature feels like 87° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 73 percent, and air pressure at 29.92 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Gale Watch - 11:15pm Wed Oct 14 2026

    ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON...

    WHAT: North winds 25 to 35 kt with gusts up to 40 kt and seas
    11 to 16 ft possible.

    WHERE: All Lower Texas Coastal Waters including the Laguna
    Madre.

    WHEN: From Friday afternoon through Saturday afternoon.

    IMPACTS: Strong winds can cause hazardous seas which could
    capsize or damage vessels and reduce visibility.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Mariners should consider altering plans to avoid possible
    hazardous conditions. Remain in port, seek safe harbor, alter
    course, and/or secure the vessel for severe wind and seas.

    &&

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