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

Current Water Temperature

76.8°F

Measurement Time: Thursday, September 18, 2025, 3:15 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

66°F
Fog
Conditions: Fog
Humidity: 96%
Feels Like: 66°F
Wind: NE 6 mph
Wind Gusts: 9.9 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 8 mi
UV Index: 0.2

Five Day Weather Forecast

Partly Cloudy
Thu
H: 81°F
L: 69°F
Fog
Fri
H: 81°F
L: 72°F
Fog
Sat
H: 81°F
L: 68°F
Patchy rain nearby
Sun
H: 83°F
L: 67°F
Patchy rain nearby
Mon
H: 81°F
L: 69°F

Air Quality

AQI: 1 - Good
PM2.5: 27.94 μg/m3
PM10: 28.86 μg/m3
Carbon Monoxide: 370 μg/m3
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 6.85 μg/m3
Ozone: 131 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:08 PM
Sunset: 7:17 PM
Daylight: 12 hrs 16 mins
Moonrise: 3:43 AM
Moon Transit: 10:50 AM
Moonset: 5:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:20 AM - 12:50 AM

Minor Periods

5:18 PM - 6:48 PM
3:13 AM - 4:43 AM

Action Rating: 3 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 74.1°F
Average Humidity: 91%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 27.24 μg/m3
PM10: 27.99 μg/m3
Carbon Monoxide: 373.85 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 6.33 μg/m3
Ozone: 104.96 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:08 PM
Sunset: 7:17 PM
Daylight: 12 hrs 16 mins
Moonrise: 3:43 AM
Moon Transit: 10:50 AM
Moonset: 5:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:20 AM - 12:50 AM

Minor Periods

5:18 PM - 6:48 PM
3:13 AM - 4:43 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 75°F
Average Humidity: 91%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.7

Air Quality

AQI: 2 - Moderate
PM2.5: 19 μg/m3
PM10: 21.1 μg/m3
Carbon Monoxide: 344.91 μg/m3
Nitrogen Dioxide: 7.61 μg/m3
Sulphur Dioxide: 5.84 μg/m3
Ozone: 102.96 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:08 PM
Sunset: 7:15 PM
Daylight: 12 hrs 14 mins
Moonrise: 4:47 AM
Moon Transit: 11:36 AM
Moonset: 6:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:17 AM - 2:47 AM
11:06 AM - 1:36 PM

Minor Periods

5:47 PM - 7:17 PM
4:17 AM - 5:47 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 74.3°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 26.75 μg/m3
PM10: 28.29 μg/m3
Carbon Monoxide: 373.11 μg/m3
Nitrogen Dioxide: 10.05 μg/m3
Sulphur Dioxide: 4.8 μg/m3
Ozone: 102.16 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:08 PM
Sunset: 7:14 PM
Daylight: 12 hrs 12 mins
Moonrise: 5:48 AM
Moon Transit: 12:20 AM
Moonset: 6:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
11:50 AM - 2:20 PM

Minor Periods

6:13 PM - 7:43 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.3°F
Average Humidity: 79%
Chance of Rain: 84%
Wind: 12.8 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 9.96 μg/m3
PM10: 11.16 μg/m3
Carbon Monoxide: 322.34 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 89.88 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:07 PM
Sunset: 7:12 PM
Daylight: 12 hrs 10 mins
Moonrise: 6:47 AM
Moon Transit: 1:01 PM
Moonset: 7:07 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
12:31 AM - 3:01 PM

Minor Periods

6:37 PM - 8:07 PM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.1°F
Average Humidity: 81%
Chance of Rain: 89%
Wind: 12.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.03 μg/m3
PM10: 12.14 μg/m3
Carbon Monoxide: 318.77 μg/m3
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 77.15 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:07 PM
Sunset: 7:11 PM
Daylight: 12 hrs 8 mins
Moonrise: 7:45 AM
Moon Transit: 1:41 PM
Moonset: 7:31 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

2:24 AM - 4:54 AM
1:11 PM - 3:41 PM

Minor Periods

7:01 PM - 8:31 PM
7:15 AM - 8:45 AM

Action Rating: 5 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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