Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend.
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Hazardous Weather Conditions

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Honolulu, HI Local Forecast Office

Pearl Harbor HI

Marine Point Forecast

[NOTICE]
  • Tonight

    Tropical Storm Conditions Possible

    Tropical Storm Conditions Possible

    Low: 75 °F

  • Sunday

    Tropical Storm Conditions Expected

    Tropical Storm Conditions Expected

    High: 87 °F

  • Sunday
    Night

    Tropical Storm Conditions Possible

    Tropical Storm Conditions Possible

    Low: 75 °F

  • Monday

    Heavy Rain

    SSE 15kt
    < 1ft

    High: 89 °F

  • Monday
    Night

    Scattered Showers

    SE 8kt
    < 1ft

    Low: 75 °F

  • Tuesday

    Isolated Showers

    E 7kt
    < 1ft

    High: 89 °F

  • Tuesday
    Night

    Mostly Clear

    ENE 8kt
    < 1ft

    Low: 75 °F

  • Wednesday

    Sunny

    ENE 13kt
    < 1ft

    High: 89 °F

  • Wednesday
    Night

    Clear

    ENE 13kt
    < 1ft

    Low: 75 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:00 pm HST Jul 23, 2016
Forecast Valid: 6pm HST Jul 23, 2016-6pm HST Jul 30, 2016

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Detailed Forecast

...TROPICAL STORM WARNING IN EFFECT...

Synopsis: AT 11 AM HST...TROPICAL STORM DARBY WAS CENTERED NEAR 18.9N 154.8W...OR ABOUT 60 MILES SOUTH SOUTHEAST OF HILO HAWAII...AND WAS MOVING WEST 09 KT. ELSEWHERE...A STRONG PRESSURE GRADIENT BETWEEN DARBY AND A HIGH FAR NORTH OF THE STATE WILL GENERATE FRESH TO STRONG NORTHEAST WINDS.

Tonight
Tropical storm conditions possible. NNE wind 20 to 25 kt. Scattered showers, mainly after midnight. . Waves 1 ft or less.
Sunday
Tropical storm conditions expected. NNE wind 24 to 29 kt becoming E. Frequent showers before noon, then rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. . Waves 1 ft or less.
Sunday Night
Tropical storm conditions possible. SE wind 22 to 27 kt becoming S 16 to 21 kt. Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. . Waves 1 ft or less.
Monday
SSE wind 8 to 15 kt. Showers likely, mainly before noon. The rain could be heavy at times. . Waves 1 ft or less.
Monday Night
SE wind 6 to 8 kt becoming E after midnight. Scattered showers. . Waves 1 ft or less.
Tuesday
E wind around 7 kt. Isolated showers. . Waves 1 ft or less.
Tuesday Night
ENE wind around 8 kt. Mostly clear. . Waves 1 ft or less.
Wednesday
ENE wind 7 to 13 kt. Sunny. . Waves 1 ft or less.
Wednesday Night
ENE wind around 13 kt. Clear. . 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: 21.36°N 157.96°W
Last Update: 4:00 pm HST Jul 23, 2016
Forecast Valid: 6pm HST Jul 23, 2016-6pm HST Jul 30, 2016
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