Hard freeze likely over the Deep South, inclement pattern expected over the west coast of the U.S. through the weekend

Very cold temperatures are likely to continue over the Deep South and Southeast U.S. into Thursday. A series of low pressure systems will bring abundant moisture to much of northern California and into the Pacific Northwest through the upcoming weekend. Locally heavy rain and strong winds will be likely along coastal locations, with heavy snow expected from Sierra to the Cascades.
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Jacksonville, FL Local Forecast Office

5NM WSW Saint Simons GA

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    NW 9kt
    < 1ft

    Low: 27 °F

  • Thursday

    Sunny

    N 8ktWinds Decreasing
    < 1ft

    High: 47 °F

  • Thursday
    Night

    Clear

    Light Wind
    < 1ft

    Low: 27 °F

  • Friday

    Sunny

    Light Wind
    < 1ft

    High: 54 °F

  • Friday
    Night

    Mostly Clear

    Light Wind
    < 1ft

    Low: 35 °F

  • Saturday

    Sunny

    Light Wind
    < 1ft

    High: 59 °F

  • Saturday
    Night

    Mostly Clear

    Light Wind
    < 1ft

    Low: 40 °F

  • Sunday

    Sunny

    Winds IncreasingE 6kt
    < 1ft

    High: 63 °F

  • Sunday
    Night

    Slight Chc Showers

    E 6ktWinds Decreasing
    < 1ft

    Low: 49 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 am EST Jan 18, 2018
Forecast Valid: 2am EST Jan 18, 2018-6pm EST Jan 24, 2018

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Detailed Forecast


Synopsis: With surface high pressure moving into the lower Mississippi Valley, a locally tight pressure gradient will produce blustery northwesterly winds resulting in building seas. High pressure will continue building southeastward and will be centered over our waters on Friday, with winds and seas gradually decreasing. High pressure will then gradually shift eastward into the Atlantic waters this weekend to the East over the weekend, with a cold front moving eastward across our region by Monday night.

Overnight
NW wind around 9 kt. Clear. Seas 1 ft or less.
Thursday
N wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Clear. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming E around 6 kt in the morning. Sunny. Seas 1 ft or less.
Sunday Night
E wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of showers. 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: 31.15°N 81.47°W
Last Update: 12:15 am EST Jan 18, 2018
Forecast Valid: 2am EST Jan 18, 2018-6pm EST Jan 24, 2018
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