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

2NM WSW Seattle WA

Marine Point Forecast

[NOTICE]
  • Today

    Showers Likely

    N 12kt
    < 1ft
  • Tonight

    Chance Showers

    E 9kt
    < 1ft
  • Friday

    Slight Chc Showers

    NNW 8kt
    < 1ft
  • Friday
    Night

    Mostly Clear

    ENE 11kt
    1ft
  • Saturday

    Sunny

    N 12kt
    1ft
  • Saturday
    Night

    Clear

    NNE 13kt
    1-2ft
  • Sunday

    Sunny

    N 6kt
    < 1ft
  • Sunday
    Night

    Clear

    NNW 6ktWinds 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
S wind 7 to 12 kt becoming N in the afternoon. Showers likely, mainly after 11am. Wind waves 1 ft or less.
Tonight
E wind 7 to 9 kt. A chance of showers. Wind waves 1 ft or less.
Friday
ESE wind around 8 kt becoming WNW in the morning. A slight chance of showers before 11am. Wind waves 1 ft or less.
Friday Night
ENE wind 9 to 11 kt. Mostly clear. Wind waves around 1 ft.
Saturday
N wind 9 to 12 kt. Sunny. Wind waves around 1 ft.
Saturday Night
NNE wind 7 to 13 kt. Clear. Wind waves 1 to 2 ft.
Sunday
N wind around 6 kt. Sunny. Wind waves 1 ft or less.
Sunday Night
NNW wind around 6 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: 47.62°N 122.42°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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