Excessive Heat in Southern California; Tropical Storm Ian Expected to Rapidly Intensify

Excessive heat is possible through Wednesday over southern California. Strong thunderstorms may pose some risk for severe weather across parts of the upper Ohio Valley into the northern Mid Atlantic coast. Tropical Storm Ian is forecast to approach the Florida peninsula at major hurricane strength by midweek, and poses a risk of dangerous storm surge, hurricane-force winds, and heavy rainfall.
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For More Weather Information:

Seattle, WA Local Forecast Office

11NM S Seattle WA

Marine Point Forecast

[NOTICE]
  • Today

    Sunny

    NNW 18km/h
    < 1m
  • Tonight

    Clear

    N 21km/h
    < 1m
  • Monday

    Sunny

    N 11km/h
    < 1m
  • Monday
    Night

    Clear

    Winds IncreasingSSW 11km/h
    < 1m
  • Tuesday

    Sunny

    Winds IncreasingSW 10km/h
    < 1m
  • Tuesday
    Night

    Slight Chc Showers

    S 13km/h
    < 1m
  • Wednesday

    Chance Showers

    SSW 14km/h
    < 1m
  • Wednesday
    Night

    Chance Showers

    SSW 14km/h
    < 1m
  • Thursday

    Slight Chc Showers

    SW 10km/h
    < 1m

Associated Zone Forecast which includes this point

Last Update: 3:40 am PDT Sep 25, 2022
Forecast Valid: 5am PDT Sep 25, 2022-6pm PDT Oct 1, 2022

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Detailed Forecast


Synopsis: Northerly flow will prevail through Monday. An onshore push will develop Monday night. A front will cross the Coastal Waters Tuesday night then shift inland on Wednesday.

Today
NNE wind 10 to 18 km/h becoming NNW in the morning. Sunny. Wind waves 1 m or less.
Tonight
N wind 11 to 21 km/h. Clear. Wind waves 1 m or less.
Monday
NNE wind 5 to 11 km/h becoming NNW in the morning. Sunny. Wind waves 1 m or less.
Monday Night
Variable winds less than 5 km/h becoming SSW 6 to 11 km/h in the evening. Clear. Wind waves 1 m or less.
Tuesday
Variable winds less than 5 km/h becoming SW 5 to 10 km/h in the afternoon. Sunny. Wind waves 1 m or less.
Tuesday Night
S wind 10 to 13 km/h. A slight chance of showers after 11pm. Wind waves 1 m or less.
Wednesday
SSW wind 10 to 14 km/h. A chance of showers. Wind waves 1 m or less.
Wednesday Night
SSW wind 10 to 14 km/h. A chance of showers. Wind waves 1 m or less.
Thursday
SW wind 8 to 10 km/h. A slight chance of showers. Wind waves 1 m 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: 47.45°N 122.4°W
Last Update: 3:40 am PDT Sep 25, 2022
Forecast Valid: 5am PDT Sep 25, 2022-6pm PDT Oct 1, 2022
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