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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Seattle, WA Local Forecast Office

35NM WSW Seattle WA

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Cloudy

    Light Wind
    < 1m
  • Sunday

    Sunny

    Winds IncreasingNNE 8km/h
    < 1m
  • Sunday
    Night

    Mostly Clear

    NNE 13km/hWinds Decreasing
    < 1m
  • Monday

    Sunny

    Light Wind
    < 1m
  • Monday
    Night

    Mostly Clear

    SSW 13km/hWinds Decreasing
    < 1m
  • Tuesday

    Sunny

    Winds IncreasingSSW 11km/h
    < 1m
  • Tuesday
    Night

    Chance Rain

    SW 13km/h
    < 1m
  • Wednesday

    Chance Rain

    SSW 18km/h
    < 1m
  • Wednesday
    Night

    Chance Rain

    SW 16km/hWinds Decreasing
    < 1m

Associated Zone Forecast which includes this point

Last Update: 9:40 pm PDT Sep 24, 2022
Forecast Valid: 11pm PDT Sep 24, 2022-6pm PDT Oct 1, 2022

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Detailed Forecast


Synopsis: High pressure will build over the northeastern Pacific and into the area waters tonight and remain in place through early next week. The high will weaken Tuesday with a frontal system moving through the waters Wednesday.

Overnight
Variable winds 5 km/h or less. Mostly cloudy. Wind waves 1 m or less.
Sunday
Variable winds less than 5 km/h becoming NNE 5 to 8 km/h in the afternoon. Sunny. Wind waves 1 m or less.
Sunday Night
NNE wind 8 to 13 km/h becoming variable and less than 5 km/h in the evening. Mostly clear. Wind waves 1 m or less.
Monday
Variable winds 5 km/h or less. Sunny. Wind waves 1 m or less.
Monday Night
SSW wind 8 to 13 km/h becoming variable and less than 5 km/h in the evening. Mostly clear. Wind waves 1 m or less.
Tuesday
Variable winds less than 5 km/h becoming SSW 6 to 11 km/h in the afternoon. Sunny. Wind waves 1 m or less.
Tuesday Night
SW wind 8 to 13 km/h. A chance of rain after 11pm. Wind waves 1 m or less.
Wednesday
SSW wind 8 to 18 km/h. A chance of rain. Wind waves 1 m or less.
Wednesday Night
SW wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. A chance of rain. 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: 47.39°N 123.14°W
Last Update: 9:40 pm PDT Sep 24, 2022
Forecast Valid: 11pm PDT Sep 24, 2022-6pm PDT Oct 1, 2022
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