National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

18NM SSE Oakland CA

Marine Point Forecast

[NOTICE]

    • Thursday

      Thursday:Variable winds less than 5 kt becoming WSW 8 to 13 kt in the afternoon. Partly sunny, then gradually becoming sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      ⇑WSW 13kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:WSW wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Increasing clouds. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WSW 12kt⇓
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Juneteenth

      Juneteenth:Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Winds could gust as high as 18 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      ⇑WSW 12kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WSW 13kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming W 7 to 12 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑W 12kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 5 to 13 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 13kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming W 6 to 11 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑W 11kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 10kt⇓
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming WNW 5 to 9 kt in the afternoon. Patchy fog between 9am and 11am. N swell 0 ft. Wind waves 1 ft or less.

      ⇑WNW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:26 am PDT Jun 18, 2026
Forecast Valid: 2am PDT Jun 18, 2026-6pm PDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH

Thursday
Variable winds less than 5 kt becoming WSW 8 to 13 kt in the afternoon. Partly sunny, then gradually becoming sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday Night
WSW wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Increasing clouds. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Juneteenth
Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Winds could gust as high as 18 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Friday Night
WSW wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming W 7 to 12 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Saturday Night
W wind 5 to 13 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming W 6 to 11 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Sunday Night
W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming WNW 5 to 9 kt in the afternoon. Patchy fog between 9am and 11am. N swell 0 ft. Wind waves 1 ft or less.

*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: 37.52°N 122.17°W
Last Update: 1:26 am PDT Jun 18, 2026
Forecast Valid: 2am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
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