Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind 10 to 12 kt. Scattered showers.   Seas around 6 ft.

      High: 79 °F

      N 12kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNE wind around 8 kt. Scattered showers.   Seas 6 to 7 ft.

      Low: 77 °F

      NNE 8kt
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NE wind 8 to 11 kt. Showers likely, mainly between 8am and 11am.   Seas 8 to 9 ft.

      High: 78 °F

      NE 11kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NNE wind around 12 kt. Showers likely, mainly after 11pm.   Seas around 10 ft.

      Low: 76 °F

      NNE 12kt
      10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:NNE wind 12 to 15 kt. Showers likely, mainly before 11am.   Seas around 9 ft.

      High: 78 °F

      NNE 15kt
      9ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:NE wind around 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas around 9 ft.

      Low: 76 °F

      NE 14kt
      9ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:ENE wind around 13 kt. Scattered showers.   Seas 7 to 8 ft.

      High: 80 °F

      ENE 13kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:E wind 6 to 10 kt. Partly cloudy. Seas 6 to 7 ft.

      Low: 77 °F

      E 10kt
      6-7ft

    • Thursday

      Thursday:E wind 6 to 8 kt. Showers likely.   Seas 5 to 6 ft.

      High: 80 °F

      E 8kt
      5-6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:48 am EST Feb 8, 2026
Forecast Valid: 12pm EST Feb 8, 2026-6pm EST Feb 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

This Afternoon
N wind 10 to 12 kt. Scattered showers. Seas around 6 ft.
Tonight
NNE wind around 8 kt. Scattered showers. Seas 6 to 7 ft.
Monday
NE wind 8 to 11 kt. Showers likely, mainly between 8am and 11am. Seas 8 to 9 ft.
Monday Night
NNE wind around 12 kt. Showers likely, mainly after 11pm. Seas around 10 ft.
Tuesday
NNE wind 12 to 15 kt. Showers likely, mainly before 11am. Seas around 9 ft.
Tuesday Night
NE wind around 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 9 ft.
Wednesday
ENE wind around 13 kt. Scattered showers. Seas 7 to 8 ft.
Wednesday Night
E wind 6 to 10 kt. Partly cloudy. Seas 6 to 7 ft.
Thursday
E wind 6 to 8 kt. Showers likely. Seas 5 to 6 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: 18.46°N 66.13°W
Last Update: 2:48 am EST Feb 8, 2026
Forecast Valid: 12pm EST Feb 8, 2026-6pm EST Feb 14, 2026
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