Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 9 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 11am.   Seas around 4 ft.

      High: 81 °F

      E 16kt
      4ft

    • Tonight

      Tonight:E wind around 9 kt. Scattered showers, mainly after 8pm.   Seas around 4 ft.

      Low: 79 °F

      E 9kt
      4ft

    • Tuesday

      Tuesday:E wind 11 to 16 kt. Scattered showers, mainly before 8am.   Seas around 4 ft.

      High: 81 °F

      E 16kt
      4ft

    • Tuesday Night

      Tuesday Night:E wind around 11 kt. Showers likely, mainly after 11pm.   Seas around 5 ft.

      Low: 79 °F

      E 11kt
      5ft

    • Wednesday

      Wednesday:E wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 11am.   Seas around 5 ft.

      High: 81 °F

      E 16kt
      5ft

    • Wednesday Night

      Wednesday Night:E wind 10 to 12 kt. Scattered showers.   Seas around 5 ft.

      Low: 79 °F

      E 12kt
      5ft

    • Thursday

      Thursday:E wind 13 to 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas around 5 ft.

      High: 81 °F

      E 17kt
      5ft

    • Thursday Night

      Thursday Night:E wind 10 to 12 kt. Scattered showers.   Seas around 5 ft.

      Low: 79 °F

      E 12kt
      5ft

    • Friday

      Friday:E wind 13 to 17 kt, with gusts as high as 23 kt. Showers likely.   Seas around 5 ft.

      High: 81 °F

      E 17kt
      5ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:48 am EST Mar 2, 2026
Forecast Valid: 7am EST Mar 2, 2026-6pm EDT Mar 8, 2026

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Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
E wind 9 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 11am. Seas around 4 ft.
Tonight
E wind around 9 kt. Scattered showers, mainly after 8pm. Seas around 4 ft.
Tuesday
E wind 11 to 16 kt. Scattered showers, mainly before 8am. Seas around 4 ft.
Tuesday Night
E wind around 11 kt. Showers likely, mainly after 11pm. Seas around 5 ft.
Wednesday
E wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 11am. Seas around 5 ft.
Wednesday Night
E wind 10 to 12 kt. Scattered showers. Seas around 5 ft.
Thursday
E wind 13 to 17 kt, with gusts as high as 23 kt. Scattered showers. Seas around 5 ft.
Thursday Night
E wind 10 to 12 kt. Scattered showers. Seas around 5 ft.
Friday
E wind 13 to 17 kt, with gusts as high as 23 kt. Showers likely. Seas around 5 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: 18.45°N 66.1°W
Last Update: 3:48 am EST Mar 2, 2026
Forecast Valid: 7am EST Mar 2, 2026-6pm EDT Mar 8, 2026
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