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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Grand Rapids, MI Local Forecast Office

7NM SW Muskegon MI

Marine Point Forecast

[NOTICE]
  • Today

    Thunderstorms Likely

    S 18kt
    2-4ft

    High: 81 °F
    Water: 68 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Thunderstorms Likely

    SW 13kt
    3-4ft

    Low: 74 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Chance Thunderstorms

    SW 13kt
    4-5ft

    High: 81 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Chance Thunderstorms

    SW 11kt
    4ft

    Low: 73 °F

  • Saturday

    Chance Thunderstorms

    SW 10kt
    2-3ft

    High: 80 °F

  • Saturday
    Night

    Chance Thunderstorms

    NW 7kt
    1-2ft

    Low: 69 °F

  • Sunday

    Chance Thunderstorms

    NNW 10kt
    1ft

    High: 76 °F

  • Sunday
    Night

    Chance Thunderstorms

    NE 9kt
    1ft

    Low: 66 °F

  • Monday

    Mostly Sunny

    N 12kt
    1-2ft

    High: 75 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:06 am EDT Jul 18, 2019
Forecast Valid: 9am EDT Jul 18, 2019-6pm EDT Jul 24, 2019

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Detailed Forecast

Today
S wind 12 to 18 kt, with gusts as high as 27 kt. Showers and thunderstorms likely, mainly before 2pm. Waves 2 to 4 ft.
Tonight
SW wind around 13 kt. Showers and thunderstorms likely, mainly after 11pm. Waves 3 to 4 ft.
Friday
SW wind 10 to 13 kt, with gusts as high as 19 kt. A chance of showers and thunderstorms before 2pm. Waves 4 to 5 ft.
Friday Night
SW wind around 11 kt. A chance of showers and thunderstorms, mainly after 2am. Waves around 4 ft.
Saturday
SW wind around 10 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms, mainly after 2pm. Waves 2 to 3 ft.
Saturday Night
NW wind around 7 kt becoming N after midnight. A chance of showers and thunderstorms. Waves 1 to 2 ft.
Sunday
ENE wind 5 to 10 kt becoming NW in the afternoon. A chance of showers and thunderstorms before 2pm. Waves around 1 ft.
Sunday Night
NE wind around 9 kt. A chance of showers and thunderstorms. Waves around 1 ft.
Monday
NE wind 8 to 12 kt becoming N in the afternoon. Winds could gust as high as 18 kt. Mostly sunny. Waves 1 to 2 ft.

*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: 43.15°N 86.36°W
Last Update: 7:06 am EDT Jul 18, 2019
Forecast Valid: 9am EDT Jul 18, 2019-6pm EDT Jul 24, 2019
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