Severe Thunderstorms, Heavy Rain, Gusty Winds, And Flooding Potential From The Southeast U.S. To The Appalachians and Mid Atlantic Region

A slow moving low pressure system will track from the southern U.S. to the Mid Atlantic and Northeast early this week. The system will bring widespread rain, locally heavy from the Deep South to the Mid Atlantic Region. Localized flooding will be possible. In addition, the potential exists for strong to severe thunderstorms capable of damaging wind particularly over the Southeast U.S. into Monday.
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Honolulu, HI Local Forecast Office

8NM NE Waimanalo Beach HI

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Showers

    ENE 21kt
    9ft

    Low: 74 °F

  • Monday

    Scattered Showers

    ENE 22kt
    9ft

    High: 74 °F

  • Monday
    Night

    Scattered Showers

    ENE 23kt
    9ft

    Low: 74 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday

    Scattered Showers

    ENE 23kt
    9ft

    High: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday
    Night

    Scattered Showers

    ENE 22kt
    8-9ft

    Low: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday

    Scattered Showers

    ENE 21kt
    8ft

    High: 75 °F

  • Wednesday
    Night

    Scattered Showers

    E 21kt
    7-8ft

    Low: 75 °F

  • Thursday

    Scattered Showers

    ENE 19kt
    7ft

    High: 76 °F

  • Thursday
    Night

    Isolated Showers

    E 14kt
    7-8ft

    Low: 76 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:42 pm HST Apr 22, 2018
Forecast Valid: 10pm HST Apr 22, 2018-6pm HST Apr 29, 2018

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH

Synopsis: PHZ100-232030- 923 PM HST Sun Apr 22 2018 .Synopsis for Hawaiian coastal waters... Strong high pressure will hold north of the waters through midweek, then weaken through the second half as a front approaches and moves into the area. $$

Tonight
ENE wind around 21 kt, with gusts as high as 27 kt. Isolated showers after midnight. Mixed swell...NW 4 ft at 16 seconds and S 1 ft at 17 seconds. Waves around 9 ft.
Monday
ENE wind around 22 kt. Scattered showers, mainly after noon. Mixed swell...NW 4 ft at 14 seconds and S 1 ft at 17 seconds. Waves around 9 ft.
Monday Night
ENE wind around 23 kt. Scattered showers, mainly after midnight. Mixed swell...NW 4 ft at 13 seconds and S 1 ft at 16 seconds. Waves around 9 ft.
Tuesday
ENE wind around 23 kt. Scattered showers. Mixed swell...NW 3 to 4 ft and S 1 ft. Waves around 9 ft.
Tuesday Night
ENE wind around 22 kt. Scattered showers, mainly after midnight. Mixed swell...NNW 4 ft and S 1 ft. Waves 8 to 9 ft.
Wednesday
ENE wind around 21 kt, with gusts as high as 27 kt. Scattered showers. Mixed swell...NNW 3 to 4 ft and S 1 ft. Waves around 8 ft.
Wednesday Night
E wind 18 to 21 kt, with gusts as high as 27 kt. Scattered showers. Mixed swell...NNW 3 ft and S 1 ft. Waves 7 to 8 ft.
Thursday
ENE wind 14 to 19 kt. Scattered showers. Mixed swell...NW 3 ft and S 1 ft. Waves around 7 ft.
Thursday Night
E wind 5 to 14 kt. Isolated showers. Mixed swell...NW 4 to 5 ft and S 1 ft. Waves 7 to 8 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: 21.4°N 157.58°W
Last Update: 6:42 pm HST Apr 22, 2018
Forecast Valid: 10pm HST Apr 22, 2018-6pm HST Apr 29, 2018
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