Central U.S. Severe Storms and Heavy Rain; Western Fire Weather Threats

A strong system will produce a swath of impacts. Severe storms with large hail, damaging winds, and a couple of tornadoes will be possible in the south and central Plains. Heavy rain could cause flash flooding in the Mid Mississippi Valley. Mountain snow will develop in the Rockies. Critical fire weather threats are expected across northern California and the Southwest.
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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]

Overnight

SSE 12kt
1ft
Low: 75 °F
Saturday

SSE 22kt
1ft
High: 82 °F
Saturday
Night
SSE 20kt
1ft
Low: 76 °F
Sunday

SSE 23kt
2-3ft
High: 84 °F
Sunday
Night
SSE 18kt
2ft
Low: 77 °F
Monday

SSE 17kt
2ft
High: 84 °F
Monday
Night
SE 16kt
2ft
Low: 77 °F
Tuesday

SE 15kt
2ft
High: 84 °F
Tuesday
Night
SE 14kt
2ft
Low: 77 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 am CDT May 8, 2021
Forecast Valid: 3am CDT May 8, 2021-6pm CDT May 14, 2021

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Detailed Forecast

Synopsis: The pressure gradient has already begun to strengthen tonight as low pressure develops across the Plains and high pressure moves eastward across the Southeast. This will allow southeast winds to increase and seas to build Saturday into Sunday. Small Craft Advisories will likely be needed this weekend. Elevated seas continue into mid next week, especially across offshore Gulf of Mexico waters.

Overnight

SSE wind around 12 kt. Mostly cloudy. Seas around 1 ft.

Saturday

SSE wind 10 to 15 kt increasing to 17 to 22 kt in the afternoon. Partly sunny. Seas around 1 ft.

Saturday Night

SSE wind around 20 kt, with gusts as high as 26 kt. Mostly cloudy. Seas around 1 ft.

Sunday

SSE wind 18 to 23 kt, with gusts as high as 31 kt. Mostly sunny. Seas 2 to 3 ft.

Sunday Night

SSE wind 15 to 18 kt, with gusts as high as 24 kt. Increasing clouds. Seas around 2 ft.

Monday

SSE wind 14 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas around 2 ft.

Monday Night

SE wind 12 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Seas around 2 ft.

Tuesday

SE wind 13 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Seas around 2 ft.

Tuesday Night

SE wind 10 to 14 kt. A chance of showers and thunderstorms. Seas around 2 ft.

*Notices:

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.
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.