Marine Weather Net

Saint Helena Island, SC Weather Forecast


Marine Forecast: Edisto Beach to Savannah


Saint Helena Island, South Carolina

 Lat: 32.39N, Lon: 80.72W

Current Conditions Updated: 909 AM EDT WED APR 29 2026

Light Rain
Temp: 68°F
  • Humidity:
  • 93%
  • Winds:
  • 9 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.04 in.
  • Dewpoint:
  • 66°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 6:37 AM EDT
  • Sunset:
  • 8:01 PM EDT
  • Moonrise:
  • 6:26 PM EDT
  • Moonset:
  • 5:15 AM EDT

TODAY

SUNNY

Lo: 61°F

FRIDAY

SUNNY

Lo: 65°F

SATURDAY

MOSTLY SUNNY
Lo: 69°F

SUNDAY

PARTLY SUNNY
Hi: 81°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 507 AM EDT Thu Apr 16 2026

Today...Sunny. Highs in the upper 80s, except in the upper 70s near the coast. Southwest winds 10 to 15 mph.
Tonight...Mostly clear. Lows in the lower 60s. South winds 10 to 15 mph.
Friday...Sunny. Highs in the lower 90s, except in the upper 80s near the coast. Southwest winds 5 to 10 mph.
Friday Night...Mostly clear. Lows in the mid 60s. South winds 5 to 10 mph.
Saturday...Mostly sunny. Highs in the lower 90s, except in the upper 80s near the coast. South winds 5 to 10 mph.
Saturday Night...Mostly cloudy. Lows in the upper 60s.
Sunday...Partly sunny. Highs in the lower 80s.
Sunday Night...Mostly cloudy. Lows in the lower 50s.
Monday...Sunny. Highs in the lower 70s.
Monday Night...Mostly clear. Lows in the lower 50s.
Tuesday...Mostly sunny. Highs in the mid 70s.
Tuesday Night...Partly cloudy. Lows in the upper 50s.
Wednesday...Mostly sunny. Highs in the upper 70s.
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