Water Temperature of the Intracoastal Waterway in North Myrtle Beach, SC

Current Water Temperature

77.4°F

Measurement Time: Monday, September 1, 2025, 10:15 AM EDT

Temperature Locations

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Local Points of Interest

Grand Strand Airport

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Intracoastal Waterway

Station Name: AIW AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -26 feet / -8 meters

Nearest Address:
2992 Bourne Trail
North Myrtle Beach, SC 29566
Horry County

GPS Coordinates: 33.82128347, -78.7186287

Nearby Water Temperatures

Intracoastal Waterway, North Myrtle Beach, SC (2.5 mi)
Intracoastal Waterway, North Myrtle Beach, SC (4.2 mi)
Waccamaw River, Longs, SC (6.3 mi)
Buck Creek, Longs, SC (9.1 mi)
Intracoastal Waterway, Myrtle Beach, SC (10.2 mi)
Waccamaw River, Conway, SC (10.5 mi)
Atlantic Ocean, Sunset Beach, NC (13.9 mi)
Atlantic Ocean, Myrtle Beach, SC (16.2 mi)
Waccamaw River, Conway, SC (18.7 mi)
Crabtree Swamp, Conway, SC (18.7 mi)
Waccamaw River, Bucksport, SC (24.6 mi)
Waccamaw River, Pawleys Island, SC (32.0 mi)
Little Pee Dee River, Galivants Ferry, SC (34.4 mi)
Waccamaw River, Pawleys Island, SC (36.9 mi)
Atlantic Ocean, Cape Fear, NC (40.9 mi)

Weather for North Myrtle Beach, South Carolina

Current Weather

79°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 56%
Feels Like: 81.1°F
Wind: NE 8.5 mph
Wind Gusts: 9.8 mph
Pressure: 30.07 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 6.6

Five Day Weather Forecast

Partly Cloudy
Mon
H: 82°F
L: 62°F
Partly Cloudy
Tue
H: 82°F
L: 66°F
Sunny
Wed
H: 85°F
L: 70°F
Sunny
Thu
H: 86°F
L: 74°F
Patchy rain nearby
Fri
H: 87°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 9.81 μg/m3
PM10: 10.36 μg/m3
Carbon Monoxide: 303.4 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:14 PM
Sunset: 7:40 PM
Daylight: 12 hrs 51 mins
Moonrise: 3:42 PM
Moon Transit: 8:26 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

9:03 AM - 11:33 AM
7:56 PM - 10:26 PM

Minor Periods

3:12 PM - 4:42 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Beach Hazards Statement issued September 1 at 3:50AM EDT until September 1 at 8:00PM EDT by NWS Wilmington NC

Effective: Mon September 1, 2025, 3:50 AM
Expires: Mon September 1, 2025, 8:00 PM

* WHAT...Strong North to South longshore current. There is also a Moderate Risk of rip currents. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 6 AM EDT Monday through Monday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.


Beach Hazards Statement issued September 1 at 3:50AM EDT until September 1 at 8:00PM EDT by NWS Wilmington NC

Effective: Mon September 1, 2025, 3:50 AM
Expires: Mon September 1, 2025, 8:00 PM

* WHAT...Strong North to South longshore current. There is also a Moderate Risk of rip currents. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 6 AM EDT Monday through Monday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.


Beach Hazards Statement issued September 1 at 3:50AM EDT until September 1 at 8:00PM EDT by NWS Wilmington NC

Effective: Mon September 1, 2025, 3:50 AM
Expires: Mon September 1, 2025, 8:00 PM

* WHAT...Strong North to South longshore current. There is also a Moderate Risk of rip currents. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 6 AM EDT Monday through Monday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.


Beach Hazards Statement issued September 1 at 3:50AM EDT until September 1 at 8:00PM EDT by NWS Wilmington NC

Effective: Mon September 1, 2025, 3:50 AM
Expires: Mon September 1, 2025, 8:00 PM

* WHAT...Strong North to South longshore current. There is also a Moderate Risk of rip currents. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 6 AM EDT Monday through Monday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.


Beach Hazards Statement issued September 1 at 3:50AM EDT until September 1 at 8:00PM EDT by NWS Wilmington NC

Effective: Mon September 1, 2025, 3:50 AM
Expires: Mon September 1, 2025, 8:00 PM

* WHAT...Strong North to South longshore current. There is also a Moderate Risk of rip currents. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 6 AM EDT Monday through Monday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.
Monday, September 1, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.6°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 11.2 μg/m3
PM10: 12.34 μg/m3
Carbon Monoxide: 312.8 μg/m3
Nitrogen Dioxide: 4.32 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:14 PM
Sunset: 7:40 PM
Daylight: 12 hrs 51 mins
Moonrise: 3:42 PM
Moon Transit: 8:26 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

9:03 AM - 11:33 AM
7:56 PM - 10:26 PM

Minor Periods

3:12 PM - 4:42 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, September 2, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 73.7°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 8.2 μg/m3
PM10: 9.6 μg/m3
Carbon Monoxide: 299.7 μg/m3
Nitrogen Dioxide: 6.48 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 80.6 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:14 PM
Sunset: 7:39 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:34 PM
Moon Transit: 9:20 PM
Moonset: 1:10 AM
Moon Phase: First Quarter
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

9:56 AM - 12:26 AM
8:50 PM - 11:20 PM

Minor Periods

4:04 PM - 5:34 PM
12:40 AM - 2:10 AM

Action Rating: 2 out of 5

Wednesday, September 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 76.1°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 10.67 μg/m3
PM10: 12.96 μg/m3
Carbon Monoxide: 319.24 μg/m3
Nitrogen Dioxide: 7.97 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 79.44 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:14 PM
Sunset: 7:37 PM
Daylight: 12 hrs 47 mins
Moonrise: 5:20 PM
Moon Transit: 10:14 PM
Moonset: 2:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

10:51 AM - 1:21 PM
12:00 AM - 12:00 AM

Minor Periods

4:50 PM - 6:20 PM
1:39 AM - 3:09 AM

Action Rating: 2 out of 5

Thursday, September 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 78.9°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 6.67 μg/m3
PM10: 8.92 μg/m3
Carbon Monoxide: 261.44 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 66.88 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:13 PM
Sunset: 7:36 PM
Daylight: 12 hrs 45 mins
Moonrise: 6:00 PM
Moon Transit: 11:06 PM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

11:44 AM - 2:14 PM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
2:43 AM - 4:13 AM

Action Rating: 2 out of 5

Friday, September 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 80.7°F
Average Humidity: 73%
Chance of Rain: 89%
Wind: 15.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.82 μg/m3
PM10: 10.46 μg/m3
Carbon Monoxide: 309.52 μg/m3
Nitrogen Dioxide: 15.14 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 43.31 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:13 PM
Sunset: 7:34 PM
Daylight: 12 hrs 43 mins
Moonrise: 6:36 PM
Moon Transit: 11:57 PM
Moonset: 4:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 PM
12:00 AM - 12:00 AM

Minor Periods

6:06 PM - 7:36 PM
3:50 AM - 5:20 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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