Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend.

For More Weather Information:

Brownsville, TX Local Forecast Office

4NM E Port Isabel TX

Marine Point Forecast

  • This

    Mostly Sunny

    SE 13kt

    High: 69 °F

  • Tonight

    Partly Cloudy

    SSE 15kt

    Low: 64 °F

  • Wednesday

    Mostly Cloudy

    S 15kt

    High: 73 °F

  • Wednesday

    Chance Showers

    SSE 16kt

    Low: 66 °F

  • Thursday

    Slight Chc Showers

    Winds IncreasingNW 30kt

    High: 75 °F

  • Thursday

    Mostly Clear

    NW 29kt

    Low: 54 °F

  • Friday


    NW 27kt

    High: 64 °F

  • Friday


    NNW 20ktWinds Decreasing

    Low: 54 °F

  • Saturday


    NW 7ktWinds Decreasing

    High: 69 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:45 pm CST Dec 11, 2018
Forecast Valid: 1pm CST Dec 11, 2018-6pm CST Dec 17, 2018

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Detailed Forecast

Synopsis: Strong winds and high seas will develop and persist much of the forecast. Strengthening southeast to south winds will develop tonight through Wednesday night in the lead up to a strong front expected on Thursday. Very strong northwest winds will arrive Thursday afternoon and night, with unfavorable marine conditions then continuing through Friday night. Gale force winds and high seas will occur in the immdediate aftermath of the cold front.

This Afternoon
SE wind 10 to 13 kt. Mostly sunny. Seas 1 to 2 ft.
SSE wind 13 to 15 kt. Partly cloudy. Seas 2 to 3 ft.
S wind around 15 kt. Mostly cloudy. Seas around 3 ft.
Wednesday Night
SSE wind 12 to 16 kt becoming SSW after midnight. A chance of showers, mainly after 9pm. Seas 2 to 3 ft.
SSW wind 11 to 16 kt becoming NW 25 to 30 kt in the afternoon. Winds could gust as high as 37 kt. A slight chance of showers before 9am. Seas 2 to 4 ft.
Thursday Night
NW wind 27 to 29 kt, with gusts as high as 36 kt. Mostly clear. Seas around 5 ft.
NW wind 21 to 27 kt, with gusts as high as 33 kt. Sunny. Seas around 5 ft.
Friday Night
NNW wind 15 to 20 kt decreasing to 8 to 13 kt after midnight. Clear. Seas 3 to 4 ft.
NW wind 5 to 7 kt becoming variable and less than 5 kt. Sunny. Seas 1 to 3 ft.


  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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Point Forecast: 26.06°N 97.14°W
Last Update: 12:45 pm CST Dec 11, 2018
Forecast Valid: 1pm CST Dec 11, 2018-6pm CST Dec 17, 2018
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