Weather Near St. Helena Island, South Carolina
Current Weather
Humidity: 90%
Feels Like: 71.1°F
Wind: E 7.4 mph
Wind Gusts: 13.7 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Tue
H: 81°F
L: 73°F
Wed
H: 78°F
L: 75°F
Thu
H: 74°F
L: 66°F
Fri
H: 71°F
L: 62°F
Sat
H: 75°F
L: 63°F
Air Quality
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:58 PM
Daylight: 11 hrs 39 mins
Moon Transit: 1:08 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
12:38 AM - 3:08 AM2:24 PM - 4:54 PM
Minor Periods
6:43 PM - 8:13 PM7:17 AM - 8:47 AM
Action Rating: 5 out of 5
Coastal Flood Advisory issued October 7 at 1:56AM EDT until October 7 at 10:00AM EDT by NWS Charleston SC
Effective: Tue October 7, 2025, 1:56 AM
Expires: Tue October 7, 2025, 10:00 AM
* WHAT...Up to one half foot of inundation above ground level expected along shorelines and tidal waterways (9.8 to 10.0 feet Mean Lower Low Water at Fort Pulaski). * WHERE...Beaufort and Coastal Jasper Counties. * WHEN...From 6 AM to 10 AM EDT this morning. * IMPACTS...Saltwater inundation will impact some roads. * ADDITIONAL DETAILS...High tide will occur around 8:33 AM today at Fort Pulaski. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.
Coastal Flood Advisory issued October 7 at 1:56AM EDT until October 7 at 10:00AM EDT by NWS Charleston SC
Effective: Tue October 7, 2025, 1:56 AM
Expires: Tue October 7, 2025, 10:00 AM
* WHAT...Up to one foot of inundation above ground level expected along shorelines and tidal waterways (7.5 to 7.7 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...From 6 AM to 10 AM EDT this morning. * IMPACTS...This will result in some roads becoming impassable and minor flooding of properties. * ADDITIONAL DETAILS...High tide will occur around 8:23 AM today at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.
Weather Forecast
Average Temperature: 75.8°F
Average Humidity: 86%
Wind: 11.2 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 82.6 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:58 PM
Daylight: 11 hrs 39 mins
Moon Transit: 1:08 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
12:38 AM - 3:08 AM2:24 PM - 4:54 PM
Minor Periods
6:43 PM - 8:13 PM7:17 AM - 8:47 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 75.9°F
Average Humidity: 77%
Wind: 8.5 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 81.8 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:57 PM
Daylight: 11 hrs 37 mins
Moon Transit: 2:01 AM
Moonset: 9:00 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:31 AM - 4:01 AM3:19 PM - 5:49 PM
Minor Periods
7:21 PM - 8:51 PM8:30 AM - 10:00 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 70.5°F
Average Humidity: 78%
Wind: 22.4 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 82.6 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 6:56 PM
Daylight: 11 hrs 35 mins
Moon Transit: 2:58 AM
Moonset: 10:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
2:28 AM - 4:58 AM4:17 PM - 6:47 PM
Minor Periods
8:05 PM - 9:35 PM9:45 AM - 11:15 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 66.5°F
Average Humidity: 72%
Wind: 22.1 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 2.79 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 87.38 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 6:55 PM
Daylight: 11 hrs 33 mins
Moon Transit: 3:58 AM
Moonset: 11:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
3:28 AM - 5:58 AM5:20 PM - 7:50 PM
Minor Periods
8:57 PM - 10:27 PM11:00 AM - 12:30 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 66.2°F
Average Humidity: 76%
Wind: 21.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 6:53 PM
Daylight: 11 hrs 31 mins
Moon Transit: 5:02 AM
Moonset: 12:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%
Best Times for Fishing or Hunting
Major Periods
4:32 AM - 7:02 AM6:24 PM - 8:54 PM
Minor Periods
9:57 PM - 11:27 PM12:11 AM - 1:41 PM
Action Rating: 4 out of 5