Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
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For More Weather Information:

Seattle, WA Local Forecast Office

22NM SSW Seattle WA

Marine Point Forecast

[NOTICE]
  • Today

    Slight Chc Showers

    SW 11kt
    1ft
  • Tonight

    Slight Chc Showers

    W 11ktWinds Decreasing
    < 1ft
  • Friday

    Mostly Sunny

    SSW 6ktWinds Decreasing
    < 1ft
  • Friday
    Night

    Mostly Clear

    NE 11kt
    1ft
  • Saturday

    Sunny

    NNE 9kt
    < 1ft
  • Saturday
    Night

    Clear

    NNE 10kt
    < 1ft
  • Sunday

    Sunny

    Light Wind
    < 1ft
  • Sunday
    Night

    Clear

    N 7ktWinds Decreasing
    < 1ft
  • Monday

    Sunny

    Light Wind
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 4:02 am PDT Jul 18, 2019
Forecast Valid: 6am PDT Jul 18, 2019-6pm PDT Jul 24, 2019

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Detailed Forecast


Synopsis: PZZ100-181900- 259 AM PDT Thu Jul 18 2019 .Synopsis for the northern and central Washington coastal and inland waters...Continued onshore flow will allow for small craft advisory level winds again this afternoon and tonight in the strait and adjacent waters. This onshore flow will ease somewhat on Friday. Weak high pressure will build toward the area over the weekend. $$

Today
SW wind 8 to 11 kt. A slight chance of showers after 11am. Wind waves around 1 ft.
Tonight
W wind 6 to 11 kt becoming variable and less than 5 kt. A slight chance of showers before 11pm. Wind waves 1 ft or less.
Friday
SSW wind around 6 kt becoming variable and less than 5 kt. Mostly sunny. Wind waves 1 ft or less.
Friday Night
NE wind around 11 kt. Mostly clear. Wind waves around 1 ft.
Saturday
NNE wind 7 to 9 kt. Sunny. Wind waves 1 ft or less.
Saturday Night
NNE wind 6 to 10 kt. Clear. Wind waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Sunny. Wind waves 1 ft or less.
Sunday Night
N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Clear. Wind waves 1 ft or less.
Monday
Variable winds 5 kt or less. Sunny. 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: 47.28°N 122.54°W
Last Update: 4:02 am PDT Jul 18, 2019
Forecast Valid: 6am PDT Jul 18, 2019-6pm PDT Jul 24, 2019
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