Significant Winter Storm to Affect the Pacific Coast through the Upper Midwest

A significant storm will bring high winds and heavy precipitation, including mountain snow, to portions of the western U.S. this weekend. Extremely dangerous travel is expected through passes. Confidence is increasing that this storm will then impact the central U.S. with heavy snow and strong winds to the north and severe thunderstorms with possible tornadoes and heavy rainfall to the south.
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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

Overnight

NNE 9kt
< 1ft
Saturday

NNE 14kt
< 1ft
Saturday
Night
NNE 11kt
< 1ft
Sunday

N 10kt
< 1ft
Sunday
Night
N 9kt
< 1ft
Monday

N 10kt
< 1ft
Monday
Night
NNE 10kt
< 1ft
Tuesday

NNE 11kt
< 1ft
Tuesday
Night
NE 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 9:35 pm EST Dec 9, 2022
Forecast Valid: 12am EST Dec 10, 2022-6pm EST Dec 16, 2022

View Nearby Observations

Detailed Forecast

Synopsis: AMZ300-101515- 944 PM EST Fri Dec 9 2022 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will move south of the region this evening. A high pressure wedge will prevail into Sunday with a nearby trough offshore. Another area of high pressure will build in early next week, before low pressure and a cold front will impact the region during the middle of next week. $$

Overnight

NNE wind around 9 kt. Rain. Patchy fog. Seas 1 ft or less.

Saturday

NNE wind 11 to 14 kt. A chance of rain, mainly before 9am. Patchy fog before 8am. Seas 1 ft or less.

Saturday Night

NNE wind around 11 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

N wind around 10 kt. A chance of showers, mainly after 1pm. Seas 1 ft or less.

Sunday Night

N wind around 9 kt. A chance of showers, mainly before 1am. Seas 1 ft or less.

Monday

N wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

NNE wind 7 to 10 kt. Mostly clear. Seas 1 ft or less.

Tuesday

NNE wind around 11 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

NE wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 62 degrees.

*Notices:

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.
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.