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

Hot and very humid conditions will continue to produce heat index values over 100 degrees across a large portion of the central and eastern U.S. Heat Advisories and Excessive Heat Warnings continue for the Plains, Mississippi Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states.
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Juneau, AK Local Forecast Office

12NM WNW Petersburg AK

Marine Point Forecast

[NOTICE]
  • Overnight

    Scattered Showers

    Light Wind
    < 1ft

    Low: 52 °F

  • Monday

    Scattered Showers

    Light Wind
    < 1ft

    High: 62 °F

  • Monday
    Night

    Showers Likely

    Light Wind
    < 1ft

    Low: 53 °F

  • Tuesday

    Rain

    SE 10kt
    < 1ft

    High: 61 °F

  • Tuesday
    Night

    Rain Likely

    SE 10kt
    < 1ft

    Low: 52 °F

  • Wednesday

    Rain Likely

    SE 10kt
    < 1ft

    High: 63 °F

  • Wednesday
    Night

    Rain

    Light Wind
    < 1ft

    Low: 53 °F

  • Thursday

    Rain Likely

    Light Wind
    < 1ft

    High: 63 °F

  • Thursday
    Night

    Rain Likely

    Light Wind
    < 1ft

    Low: 53 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:34 pm AKDT Jul 24, 2016
Forecast Valid: 1am AKDT Jul 25, 2016-6pm AKDT Jul 31, 2016

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Detailed Forecast

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.

Synopsis: A RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE PANHANDLE TONIGHT THEN WEAKEN SLIGHTLY ON MONDAY. MEANWHILE BROAD LOW PRESSURE WILL DEVELOP AND DEEPEN OVER THE WEST GULF THROUGH MONDAY.

Overnight
Variable winds 5 kt or less. Scattered showers. Patchy fog. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Scattered showers. Patchy fog before 10am. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Showers likely, mainly after 10pm. Seas 1 ft or less.
Tuesday
SE wind around 10 kt. Rain. Seas 1 ft or less.
Tuesday Night
SE wind around 10 kt. Rain likely. Seas 1 ft or less.
Wednesday
SE wind 5 to 10 kt. Rain likely. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Rain. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Rain likely. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Rain likely. Seas 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: 56.87°N 133.32°W
Last Update: 2:34 pm AKDT Jul 24, 2016
Forecast Valid: 1am AKDT Jul 25, 2016-6pm AKDT Jul 31, 2016
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