Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week.
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For More Weather Information:

Seattle, WA Local Forecast Office

20NM NNW Seattle WA

Marine Point Forecast

[NOTICE]
  • Today

    Slight Chc Rain

    SSE 7ktWinds Decreasing
    < 1ft
  • Tonight

    Partly Cloudy

    NNE 9kt
    < 1ft
  • Tuesday

    Decreasing Clouds

    Winds IncreasingN 10kt
    < 1ft
  • Tuesday
    Night

    Mostly Clear

    N 11ktWinds Decreasing
    < 1ft
  • Wednesday

    Mostly Sunny

    Winds IncreasingN 10kt
    < 1ft
  • Wednesday
    Night

    Chance Rain

    N 9ktWinds Decreasing
    < 1ft
  • Thursday

    Rain Likely

    Winds IncreasingN 6kt
    < 1ft
  • Thursday
    Night

    Slight Chc Rain

    NNW 6ktWinds Decreasing
    < 1ft
  • Friday

    Slight Chc Rain

    Light Wind
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 7:39 am PDT Aug 3, 2020
Forecast Valid: 9am PDT Aug 3, 2020-6pm PDT Aug 9, 2020

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Detailed Forecast


Synopsis: A weak weather system will move inland this morning. Another weak front will reach the area around Thursday. Otherwise, an onshore flow pattern will continue this week with high pressure offshore and lower pressure inland.

Today
SSE wind 5 to 7 kt becoming variable and less than 5 kt. A slight chance of rain. Wind waves 1 ft or less.
Tonight
NNE wind 5 to 9 kt. Partly cloudy. Wind waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming N 5 to 10 kt in the morning. Mostly cloudy, then gradually becoming sunny. Wind waves 1 ft or less.
Tuesday Night
N wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Wind waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming N 5 to 10 kt in the afternoon. Mostly sunny. Wind waves 1 ft or less.
Wednesday Night
N wind 5 to 9 kt becoming variable and less than 5 kt. A chance of rain after 11pm. Wind waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Rain likely, mainly before 11am. Wind waves 1 ft or less.
Thursday Night
NNW wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of rain. Wind waves 1 ft or less.
Friday
Variable winds 5 kt or less. A slight chance of rain. 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: 47.89°N 122.6°W
Last Update: 7:39 am PDT Aug 3, 2020
Forecast Valid: 9am PDT Aug 3, 2020-6pm PDT Aug 9, 2020
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