Water Temperature of the Atlantic Ocean Near St. Helena Island, SC
Current Water Temperature
Measurement Time: Thursday, July 31, 2025, 3:08 AM EDT
Temperature Locations
View Nearby Locations View All South Carolina Locations View Locations Near Me
Local Points of Interest
Fripp Island, SCSponsored Content
Station Name: Fripp Nearshore, SC (FRP2)
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
Offshore
St. Helena Island, SC 29920
Beaufort County
GPS Coordinates: 32.279, -80.406
Nearby Water Temperatures
Savannah River, Tybee Island, GA (33.6 mi)Savannah River, Hardeeville, SC (37.2 mi)
Back River, Savannah, GA (41.5 mi)
Savannah River, Savannah, GA (41.8 mi)
Little Back River, Limehouse, SC (42.1 mi)
Savannah River, Hardeeville, SC (42.3 mi)
Little Back River, Limehouse, SC (42.3 mi)
Savannah River, Hardeeville, SC (43.6 mi)
Savannah River, Savannah, GA (43.7 mi)
Abercorn Creek, Rincon, GA (43.7 mi)
Savannah River, Rincon, GA (44.3 mi)
Savannah River, Hardeeville, SC (44.3 mi)
Ashley River, North Charleston, SC (44.4 mi)
Cooper River, Charleston, SC (44.6 mi)
Cooper River, Charleston, SC (44.6 mi)
Weather Near St. Helena Island, South Carolina
Current Weather

Humidity: 84%
Feels Like: 91.5°F
Wind: WSW 8.7 mph
Wind Gusts: 15.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Thu
H: 91°F
L: 80°F

Fri
H: 90°F
L: 83°F

Sat
H: 82°F
L: 78°F

Sun
H: 81°F
L: 74°F

Mon
H: 84°F
L: 75°F
Air Quality
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 104 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 8:20 PM
Daylight: 13 hrs 44 mins
Moon Transit: 6:38 PM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
7:06 AM - 9:36 AM6:08 PM - 8:38 PM
Minor Periods
12:38 AM - 2:08 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Heat Advisory issued July 30 at 8:01PM EDT until July 31 at 8:00PM EDT by NWS Charleston SC
Effective: Wed July 30, 2025, 8:01 PM
Expires: Thu July 31, 2025, 4:15 AM
* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Heat Advisory issued July 31 at 1:38AM EDT until July 31 at 8:00PM EDT by NWS Charleston SC
Effective: Thu July 31, 2025, 1:38 AM
Expires: Thu July 31, 2025, 11:00 AM
* WHAT...Heat index values up to 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 30 at 8:01PM EDT until July 31 at 8:00PM EDT by NWS Charleston SC
Effective: Wed July 30, 2025, 8:01 PM
Expires: Thu July 31, 2025, 4:15 AM
* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Heat Advisory issued July 31 at 1:38AM EDT until July 31 at 8:00PM EDT by NWS Charleston SC
Effective: Thu July 31, 2025, 1:38 AM
Expires: Thu July 31, 2025, 11:00 AM
* WHAT...Heat index values up to 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 30 at 8:01PM EDT until July 31 at 8:00PM EDT by NWS Charleston SC
Effective: Wed July 30, 2025, 8:01 PM
Expires: Thu July 31, 2025, 4:15 AM
* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Weather Forecast
Average Temperature: 84°F
Average Humidity: 87%
Wind: 15.9 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 3.16 μg/m3
Sulphur Dioxide: 3.83 μg/m3
Ozone: 126.8 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 8:20 PM
Daylight: 13 hrs 44 mins
Moon Transit: 6:38 PM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
7:06 AM - 9:36 AM6:08 PM - 8:38 PM
Minor Periods
12:38 AM - 2:08 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 84.7°F
Average Humidity: 85%
Wind: 17.9 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 2.79 μg/m3
Ozone: 127.2 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:19 PM
Daylight: 13 hrs 42 mins
Moon Transit: 7:22 PM
Moonset: 12:03 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
7:49 AM - 10:19 AM6:52 PM - 9:22 PM
Minor Periods
1:35 PM - 3:05 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 80.7°F
Average Humidity: 87%
Wind: 14.8 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 136.32 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:18 PM
Daylight: 13 hrs 41 mins
Moon Transit: 8:08 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
8:34 AM - 11:04 AM7:38 PM - 10:08 PM
Minor Periods
2:33 PM - 4:03 PM12:04 AM - 1:34 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 77.5°F
Average Humidity: 76%
Wind: 16.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 124.77 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:17 PM
Daylight: 13 hrs 39 mins
Moon Transit: 8:58 PM
Moonset: 1:09 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
9:22 AM - 11:52 AM8:28 PM - 10:58 PM
Minor Periods
3:32 PM - 5:02 PM12:39 AM - 2:09 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 78.2°F
Average Humidity: 79%
Wind: 12.5 mph
UV Index: 6
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:16 PM
Daylight: 13 hrs 38 mins
Moon Transit: 9:50 PM
Moonset: 1:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
10:13 AM - 12:43 AM9:20 PM - 11:50 PM
Minor Periods
4:30 PM - 6:00 PM1:21 AM - 2:51 AM
Action Rating: 2 out of 5