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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Honolulu, HI Local Forecast Office

7NM NE Kaneohe Station HI

Marine Point Forecast

[NOTICE]
  • Late
    Afternoon

    Isolated Showers

    E 24kt
    8ft

    High: 79 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Scattered Showers

    E 24kt
    8ft

    Low: 79 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Scattered Showers

    E 23kt
    8ft

    High: 79 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday
    Night

    Scattered Showers

    E 24kt
    8ft

    Low: 79 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Scattered Showers

    E 24kt
    8ft

    High: 79 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Scattered Showers

    E 19kt
    7-8ft

    Low: 79 °F

  • Saturday

    Scattered Showers

    ENE 18kt
    6-7ft

    High: 79 °F

  • Saturday
    Night

    Scattered Showers

    E 16kt
    6ft

    Low: 79 °F

  • Sunday

    Scattered Showers

    ENE 15kt
    6ft

    High: 79 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:00 pm HST Jul 17, 2019
Forecast Valid: 5pm HST Jul 17, 2019-6pm HST Jul 24, 2019

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

Synopsis: PHZ100-181415- 330 PM HST Wed Jul 17 2019 .Synopsis for Hawaiian coastal waters... High pressure north of the state will keep breezy to strong trades in place through Friday. The trades will then ease over the weekend as the high weakens. $$

Late Afternoon
E wind around 24 kt, with gusts as high as 31 kt. Isolated showers. Mixed swell...S 2 ft at 13 seconds and SSE 1 ft at 10 seconds. Waves around 8 ft.
Tonight
E wind around 24 kt, with gusts as high as 31 kt. Scattered showers, mainly after 11pm. Mixed swell...S 2 ft at 13 seconds and SSE 1 ft at 10 seconds. Waves around 8 ft.
Thursday
E wind around 23 kt, with gusts as high as 30 kt. Scattered showers. Mixed swell...S 2 ft at 13 seconds and SSE 1 ft at 10 seconds. Waves around 8 ft.
Thursday Night
E wind around 24 kt, with gusts as high as 31 kt. Scattered showers. Mixed swell...S 1 ft and SSE 1 ft. Waves around 8 ft.
Friday
E wind 19 to 24 kt, with gusts as high as 31 kt. Scattered showers. Mixed swell...S 1 ft and SSE 1 ft. Waves around 8 ft.
Friday Night
E wind around 19 kt, with gusts as high as 25 kt. Scattered showers. . Waves 7 to 8 ft.
Saturday
ENE wind 14 to 18 kt. Scattered showers. . Waves 6 to 7 ft.
Saturday Night
E wind around 16 kt. Scattered showers. N swell 0 ft becoming mixed swell... S 1 ft and SSE 1 ft. Waves around 6 ft.
Sunday
ENE wind around 15 kt. Scattered showers. Mixed swell...S 1 ft and SSE 1 ft. Waves around 6 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: 21.52°N 157.65°W
Last Update: 4:00 pm HST Jul 17, 2019
Forecast Valid: 5pm HST Jul 17, 2019-6pm HST Jul 24, 2019
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