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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:ESE wind around 6 kt becoming ENE after midnight. Mostly clear. Seas 1 ft or less.

      ESE 6kt
      < 1ft

    • Sunday

      Sunday:E wind 6 to 9 kt. A chance of showers and thunderstorms, mainly before 3pm. Seas 1 ft or less.

      E 9kt
      < 1ft

    • Sunday Night

      Sunday Night:SE wind 5 to 8 kt becoming S 8 to 11 kt after midnight. Winds could gust as high as 20 kt. A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      ⇑S 11kt
      < 1ft

    • Monday

      Monday:SSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 28 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      ⇑SSW 18kt
      < 1ft

    • Monday Night

      Monday Night:WNW wind 13 to 16 kt, with gusts as high as 25 kt. A slight chance of showers before 2am. Seas 1 ft or less.

      WNW 16kt
      < 1ft

    • Tuesday

      Tuesday:NW wind 8 to 10 kt. Partly sunny. Seas 1 ft or less.

      NW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NW wind 5 to 7 kt becoming NNE after midnight. Mostly cloudy. Seas 1 ft or less.

      NNE 7kt
      < 1ft

    • Wednesday

      Wednesday:NE wind around 9 kt. Mostly sunny. Seas 1 ft or less.

      NE 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT Mar 14, 2026
Forecast Valid: 3pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tonight
ESE wind around 6 kt becoming ENE after midnight. Mostly clear. Seas 1 ft or less.
Sunday
E wind 6 to 9 kt. A chance of showers and thunderstorms, mainly before 3pm. Seas 1 ft or less.
Sunday Night
SE wind 5 to 8 kt becoming S 8 to 11 kt after midnight. Winds could gust as high as 20 kt. A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Monday
SSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 28 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday Night
WNW wind 13 to 16 kt, with gusts as high as 25 kt. A slight chance of showers before 2am. Seas 1 ft or less.
Tuesday
NW wind 8 to 10 kt. Partly sunny. Seas 1 ft or less.
Tuesday Night
NW wind 5 to 7 kt becoming NNE after midnight. Mostly cloudy. Seas 1 ft or less.
Wednesday
NE wind around 9 kt. Mostly sunny. Seas 1 ft or less.

Winds and seas higher in and near tstms.

*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: 32.81°N 79.73°W
Last Update: 2:30 pm EDT Mar 14, 2026
Forecast Valid: 3pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
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