Water Temperature of the Atlantic Ocean Near St. Helena Island, SC

Current Water Temperature

84.7°F

Measurement Time: Friday, August 22, 2025, 3:08 PM EDT

Temperature Locations

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Local Points of Interest

Fripp Island, SC

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Atlantic Ocean

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

79.5°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 84%
Feels Like: 86.6°F
Wind: ENE 8.3 mph
Wind Gusts: 12.5 mph
Pressure: 29.95 in
Precipitation: 0.18 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 1.8

Five Day Weather Forecast

Moderate rain
Fri
H: 83°F
L: 78°F
Heavy rain
Sat
H: 81°F
L: 76°F
Moderate rain
Sun
H: 81°F
L: 77°F
Patchy rain nearby
Mon
H: 87°F
L: 80°F
Sunny
Tue
H: 85°F
L: 74°F

Air Quality

AQI: 2 - Moderate
PM2.5: 10.18 μg/m3
PM10: 13.69 μg/m3
Carbon Monoxide: 308.95 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 115 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:24 PM
Sunset: 7:58 PM
Daylight: 13 hrs 7 mins
Moonrise: 6:04 AM
Moon Transit: 1:02 PM
Moonset: 7:51 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:27 AM - 3:57 AM
12:32 AM - 3:02 PM

Minor Periods

7:21 PM - 8:51 PM
5:34 AM - 7:04 AM

Action Rating: 4 out of 5

Flood Watch issued August 22 at 7:13AM EDT until August 24 at 2:00AM EDT by NWS Charleston SC

Effective: Fri August 22, 2025, 7:13 AM
Expires: Fri August 22, 2025, 3:15 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood

Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures.


Flood Watch issued August 22 at 1:34PM EDT until August 24 at 2:00AM EDT by NWS Charleston SC

Effective: Fri August 22, 2025, 1:34 PM
Expires: Fri August 22, 2025, 9:45 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood

Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures.


Flood Watch issued August 22 at 7:13AM EDT until August 24 at 2:00AM EDT by NWS Charleston SC

Effective: Fri August 22, 2025, 7:13 AM
Expires: Fri August 22, 2025, 3:15 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood

Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures.


Flood Watch issued August 22 at 1:34PM EDT until August 24 at 2:00AM EDT by NWS Charleston SC

Effective: Fri August 22, 2025, 1:34 PM
Expires: Fri August 22, 2025, 9:45 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood

Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures.


Flood Watch issued August 22 at 7:13AM EDT until August 24 at 2:00AM EDT by NWS Charleston SC

Effective: Fri August 22, 2025, 7:13 AM
Expires: Fri August 22, 2025, 3:15 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood

Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures.


Friday, August 22, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 80.1°F
Average Humidity: 86%
Chance of Rain: 83%
Wind: 11.6 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 18.14 μg/m3
PM10: 19.42 μg/m3
Carbon Monoxide: 385.39 μg/m3
Nitrogen Dioxide: 3.16 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 118.64 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:24 PM
Sunset: 7:58 PM
Daylight: 13 hrs 7 mins
Moonrise: 6:04 AM
Moon Transit: 1:02 PM
Moonset: 7:51 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:27 AM - 3:57 AM
12:32 AM - 3:02 PM

Minor Periods

7:21 PM - 8:51 PM
5:34 AM - 7:04 AM

Action Rating: 4 out of 5

Saturday, August 23, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 79°F
Average Humidity: 85%
Chance of Rain: 81%
Wind: 8.9 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 6.56 μg/m3
PM10: 8.99 μg/m3
Carbon Monoxide: 284.16 μg/m3
Nitrogen Dioxide: 1.27 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 107.16 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:24 PM
Sunset: 7:57 PM
Daylight: 13 hrs 5 mins
Moonrise: 7:06 AM
Moon Transit: 1:47 PM
Moonset: 8:21 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

2:14 AM - 4:44 AM
1:17 PM - 3:47 PM

Minor Periods

7:51 PM - 9:21 PM
6:36 AM - 8:06 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 79.1°F
Average Humidity: 88%
Chance of Rain: 88%
Wind: 6.3 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 6.7 μg/m3
Carbon Monoxide: 289.56 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 97.36 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:23 PM
Sunset: 7:55 PM
Daylight: 13 hrs 3 mins
Moonrise: 8:07 AM
Moon Transit: 2:30 PM
Moonset: 8:47 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
2:00 PM - 4:30 PM

Minor Periods

8:17 PM - 9:47 PM
7:37 AM - 9:07 AM

Action Rating: 4 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.2°F
Average Humidity: 81%
Chance of Rain: 87%
Wind: 13.6 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 13.52 μg/m3
PM10: 14.05 μg/m3
Carbon Monoxide: 349.65 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 113.68 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:23 PM
Sunset: 7:54 PM
Daylight: 13 hrs 1 mins
Moonrise: 9:04 AM
Moon Transit: 3:11 PM
Moonset: 9:12 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
2:41 PM - 5:11 PM

Minor Periods

8:42 PM - 10:12 PM
8:34 AM - 10:04 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 78.9°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 18.69 μg/m3
PM10: 19.31 μg/m3
Carbon Monoxide: 426.92 μg/m3
Nitrogen Dioxide: 5.89 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 117.85 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:23 PM
Sunset: 7:53 PM
Daylight: 13 hrs mins
Moonrise: 10:01 AM
Moon Transit: 3:52 PM
Moonset: 9:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
3:22 PM - 5:52 PM

Minor Periods

9:07 PM - 10:37 PM
9:31 AM - 11:01 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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