Heavy Rainfall in South Texas; Below Average Temperatures for Much of the East

Heavy rainfall is expected in extreme southern Texas into Monday; a flash-flood watch is in effect. Temperatures from the Great Lakes to the southern Plains and through much of the eastern U.S. are expected to be below to well below average. Air stagnation concerns are likely across interior portions of the Northwest through Monday, as airflow and winds remain light.
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17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Mostly Sunny

    NE 15kt
    < 1ft

    High: 73 °F

  • Tonight

    Partly Cloudy

    ENE 15kt
    < 1ft

    Low: 66 °F

  • Monday

    Slight Chc Showers

    ENE 10kt
    < 1ft

    High: 78 °F

  • Monday
    Night

    Rain Likely

    ENE 15kt
    < 1ft

    Low: 69 °F

  • Tuesday

    Rain

    ENE 15kt
    < 1ft

    High: 76 °F

  • Tuesday
    Night

    Chance Rain

    ENE 15kt
    < 1ft

    Low: 72 °F

  • Wednesday

    Rain Likely

    ENE 15kt
    1-2ft

    High: 78 °F

  • Wednesday
    Night

    Rain Likely

    E 15kt
    1-2ft

    Low: 73 °F

  • Thursday

    Rain

    ENE 15kt
    1ft

    High: 77 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:18 pm CDT Oct 21, 2018
Forecast Valid: 3pm CDT Oct 21, 2018-6pm CDT Oct 27, 2018

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Detailed Forecast


Synopsis: High pressure will build over the coastal waters today and remain in place through Monday. As a frontal boundary stalls over the Gulf, a low pressure system should develop over the western Gulf Monday and Tuesday. This broad area of low pressure will gradually strengthen and push eastward across the north-central Gulf on Wednesday and Thursday.

This Afternoon
NE wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.
Tonight
ENE wind 10 to 15 kt. Partly cloudy. Seas 1 ft or less.
Monday
ENE wind around 10 kt. A slight chance of showers after 1pm. Seas 1 ft or less.
Monday Night
ENE wind 10 to 15 kt. Rain likely, mainly after 1am. Seas 1 ft or less.
Tuesday
ENE wind 10 to 15 kt, with gusts as high as 20 kt. Rain. Seas 1 ft or less.
Tuesday Night
ENE wind around 15 kt, with gusts as high as 20 kt. A chance of rain. Seas 1 ft or less.
Wednesday
ENE wind around 15 kt, with gusts as high as 20 kt. Rain likely, mainly before 1pm. Seas 1 to 2 ft.
Wednesday Night
E wind around 15 kt. Rain likely. Seas 1 to 2 ft.
Thursday
ENE wind 10 to 15 kt. Rain. Seas around 1 ft.

*Notices:

  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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ABOUT THIS FORECAST

Point Forecast: 29.29°N 89.67°W
Last Update: 1:18 pm CDT Oct 21, 2018
Forecast Valid: 3pm CDT Oct 21, 2018-6pm CDT Oct 27, 2018
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