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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Seattle, WA Local Forecast Office

59NM NNE Port Angeles WA

Marine Point Forecast

[NOTICE]
  • Tonight

    Showers Likely

    WSW 29km/h
    < 1m

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Chance Showers

    W 24km/h
    < 1m
  • Thursday
    Night

    Partly Cloudy

    W 18km/h
    < 1m
  • Friday

    Becoming Sunny

    WSW 23km/h
    < 1m
  • Friday
    Night

    Mostly Clear

    S 11km/h
    < 1m
  • Saturday

    Sunny

    W 13km/h
    < 1m
  • Saturday
    Night

    Clear

    W 14km/h
    < 1m
  • Sunday

    Sunny

    ENE 10km/h
    < 1m
  • Sunday
    Night

    Mostly Clear

    W 8km/h
    < 1m

Associated Zone Forecast which includes this point

Last Update: 7:00 pm PDT Jul 17, 2019
Forecast Valid: 8pm PDT Jul 17, 2019-6pm PDT Jul 24, 2019

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT THURSDAY...

Synopsis: PZZ100-180715- 309 PM PDT Wed Jul 17 2019 .Synopsis for the northern and central Washington coastal and inland waters...A front will move through Western Washington this afternoon with small craft advisory strength southerly winds over most waters. Westerly gales will develop behind the front in the Strait of Juan de Fuca tonight. Weak high pressure will build toward the area over the weekend. $$

Tonight
SW wind 27 to 29 km/h becoming W after midnight. Winds could gust as high as 40 km/h. Showers likely, mainly before 11pm. Wind waves 1 m or less.
Thursday
W wind 16 to 24 km/h becoming SW in the afternoon. Winds could gust as high as 34 km/h. A chance of showers, mainly before 11am. Wind waves 1 m or less.
Thursday Night
SSW wind 10 to 18 km/h becoming W in the evening. Partly cloudy. Wind waves 1 m or less.
Friday
WSW wind 16 to 23 km/h, with gusts as high as 32 km/h. Partly sunny, then gradually becoming sunny. Wind waves 1 m or less.
Friday Night
S wind around 11 km/h becoming SE in the evening. Mostly clear. Wind waves 1 m or less.
Saturday
E wind 10 to 13 km/h becoming W in the morning. Sunny. Wind waves 1 m or less.
Saturday Night
W wind 10 to 14 km/h becoming SE in the evening. Clear. Wind waves 1 m or less.
Sunday
ENE wind 8 to 10 km/h becoming WSW in the morning. Sunny. Wind waves 1 m or less.
Sunday Night
W wind 5 to 8 km/h becoming S in the evening. Mostly clear. 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: 48.99°N 122.78°W
Last Update: 7:00 pm PDT Jul 17, 2019
Forecast Valid: 8pm PDT Jul 17, 2019-6pm PDT Jul 24, 2019
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