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

Current Water Temperature

78.6°F

Measurement Time: Monday, June 8, 2026, 11:08 AM EDT

Temperature Locations

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Local Points of Interest

Fripp Island, SC

Atlantic Ocean

Station Name: Fripp Nearshore, SC (FRP2)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

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, Fort Pulaski, GA (33.7 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)

Weather Near St. Helena Island, South Carolina

Current Weather

91°F
Sunny
Sunny
108.9°F
98°F
64%
SW 10.7 mph
14.7 mph
87.1°F
76.6°F
0 in
0%
9 mi
1014 mbar
0.5

Five Day Weather Forecast

Sunny
Sat
H: 93°F
L: 82°F
Sunny
Sun
H: 89°F
L: 81°F
Sunny
Mon
H: 89°F
L: 79°F
Sunny
Tue
H: 88°F
L: 80°F
Sunny
Wed
H: 91°F
L: 80°F

Air Quality

AQI: 1 - Good
PM2.5: 9.1 μg/m3
PM10: 12.3 μg/m3
Carbon Monoxide: 140 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:27 PM
Sunset: 8:28 PM
Daylight: 14 hrs 1 mins
Moonrise: 11:02 AM
Moon Transit: 5:15 PM
Moonset: 11:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
4:45 PM - 7:15 PM

Minor Periods

12:00 AM - 12:00 AM
10:32 AM - 12:02 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 18 at 11:37AM EDT until July 19 at 6:00AM EDT by NWS Charleston SC

Effective: Sat July 18, 2026, 11:37 AM
Expires: Sat July 18, 2026, 7:45 PM

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...From 8 PM this evening to 6 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Saturday, July 18, 2026

Weather Forecast

Sunny
92.8°F
81.7°F
86°F
79%
0 in
9%
0%
16.6 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 8.63 μg/m3
PM10: 11.48 μg/m3
Carbon Monoxide: 131.42 μg/m3
Nitrogen Dioxide: 1.12 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 119.42 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:27 PM
Sunset: 8:28 PM
Daylight: 14 hrs 1 mins
Moonrise: 11:02 AM
Moon Transit: 5:15 PM
Moonset: 11:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
4:45 PM - 7:15 PM

Minor Periods

12:00 AM - 12:00 AM
10:32 AM - 12:02 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
89.1°F
81.3°F
84.8°F
71%
0.03 in
36%
0%
18.1 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 10.5 μg/m3
PM10: 15.68 μg/m3
Carbon Monoxide: 119.54 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 86.54 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:28 PM
Sunset: 8:28 PM
Daylight: 13 hrs 59 mins
Moonrise: 12:03 AM
Moon Transit: 6:00 PM
Moonset: 12:21 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
5:30 PM - 8:00 PM

Minor Periods

11:33 AM - 1:03 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
88.6°F
78.8°F
84°F
71%
0.13 in
58%
0%
16.1 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 9.68 μg/m3
PM10: 16.88 μg/m3
Carbon Monoxide: 97.21 μg/m3
Nitrogen Dioxide: 0.88 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 72.5 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:28 PM
Sunset: 8:27 PM
Daylight: 13 hrs 58 mins
Moonrise: 1:02 PM
Moon Transit: 6:42 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:10 AM - 9:40 AM
6:12 PM - 8:42 PM

Minor Periods

12:32 AM - 2:02 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
88.1°F
80°F
84.4°F
73%
0.06 in
57%
0%
17 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 12.75 μg/m3
PM10: 20.67 μg/m3
Carbon Monoxide: 110.78 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 87.63 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:28 PM
Sunset: 8:27 PM
Daylight: 13 hrs 57 mins
Moonrise: 2:01 PM
Moon Transit: 7:26 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
6:56 PM - 9:26 PM

Minor Periods

1:31 PM - 3:01 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
90.5°F
80.2°F
85.1°F
73%
0.03 in
36%
0%
19.9 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 10.91 μg/m3
PM10: 16.64 μg/m3
Carbon Monoxide: 130.67 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 71.33 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:28 PM
Sunset: 8:26 PM
Daylight: 13 hrs 56 mins
Moonrise: 3:00 PM
Moon Transit: 8:12 PM
Moonset: 12:47 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

8:38 AM - 11:08 AM
7:42 PM - 10:12 PM

Minor Periods

2:30 PM - 4:00 PM
12:17 AM - 1:47 AM

Action Rating: 2 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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