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

Current Water Temperature

86.9°F

Measurement Time: Tuesday, July 28, 2026, 9:15 AM EDT

Temperature Locations

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Local Points of Interest

Grand Strand Airport

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

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 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

89.7°F
Partly cloudy
Partly cloudy
112°F
111.8°F
71%
SSW 9.8 mph
11.7 mph
89.6°F
83.6°F
0 in
25%
10 mi
1008 mbar
9.2

Five Day Weather Forecast

Sunny
Tue
H: 90°F
L: 74°F
Sunny
Wed
H: 92°F
L: 78°F
Sunny
Thu
H: 91°F
L: 72°F
Sunny
Fri
H: 88°F
L: 75°F
Sunny
Sat
H: 86°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 17.1 μg/m3
PM10: 18 μg/m3
Carbon Monoxide: 121 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 115 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:21 PM
Sunset: 8:19 PM
Daylight: 13 hrs 54 mins
Moonrise: 8:02 PM
Moon Transit: 12:16 AM
Moonset: 5:13 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:44 PM - 4:14 PM

Minor Periods

7:32 PM - 9:02 PM
4:43 AM - 6:13 AM

Action Rating: 4 out of 5

Heat Advisory issued July 28 at 1:29AM EDT until July 28 at 8:00PM EDT by NWS Wilmington NC

Effective: Tue July 28, 2026, 1:29 AM
Expires: Tue July 28, 2026, 8:00 PM

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of southeast North Carolina and northeast South Carolina. * WHEN...From noon today 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.
Tuesday, July 28, 2026

Weather Forecast

Sunny
89.6°F
73.9°F
81.9°F
87%
0 in
15%
0%
17.4 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 14.94 μg/m3
PM10: 15.74 μg/m3
Carbon Monoxide: 127.58 μg/m3
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 80.17 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:21 PM
Sunset: 8:19 PM
Daylight: 13 hrs 54 mins
Moonrise: 8:02 PM
Moon Transit: 12:16 AM
Moonset: 5:13 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:44 PM - 4:14 PM

Minor Periods

7:32 PM - 9:02 PM
4:43 AM - 6:13 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
92°F
77.9°F
84.9°F
65%
0 in
17%
0%
14.5 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 10.68 μg/m3
PM10: 10.97 μg/m3
Carbon Monoxide: 142.04 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 91.21 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:21 PM
Sunset: 8:18 PM
Daylight: 13 hrs 53 mins
Moonrise: 8:36 PM
Moon Transit: 1:05 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
2:32 PM - 5:02 PM

Minor Periods

8:06 PM - 9:36 PM
5:44 AM - 7:14 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
90.9°F
72.2°F
81.9°F
59%
0.03 in
36%
0%
9.2 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 5.96 μg/m3
Carbon Monoxide: 140.46 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 76.33 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:21 PM
Sunset: 8:17 PM
Daylight: 13 hrs 51 mins
Moonrise: 9:06 PM
Moon Transit: 1:52 AM
Moonset: 7:14 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
3:17 PM - 5:47 PM

Minor Periods

8:36 PM - 10:06 PM
6:44 AM - 8:14 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
87.5°F
75°F
81.3°F
61%
0 in
4%
0%
11.2 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 6.1 μg/m3
PM10: 6.3 μg/m3
Carbon Monoxide: 150.41 μg/m3
Nitrogen Dioxide: 4.83 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 74.88 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:21 PM
Sunset: 8:16 PM
Daylight: 13 hrs 50 mins
Moonrise: 9:33 PM
Moon Transit: 2:36 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
4:01 PM - 6:31 PM

Minor Periods

9:03 PM - 10:33 PM
7:45 AM - 9:15 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
86.3°F
79°F
82.2°F
68%
0 in
6%
0%
14.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 13.17 μg/m3
PM10: 13.76 μg/m3
Carbon Monoxide: 287.22 μg/m3
Nitrogen Dioxide: 14.64 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 42.33 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:21 PM
Sunset: 8:15 PM
Daylight: 13 hrs 48 mins
Moonrise: 9:59 PM
Moon Transit: 3:19 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
4:44 PM - 7:14 PM

Minor Periods

9:29 PM - 10:59 PM
8:44 AM - 10:14 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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