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

Current Water Temperature

73.8°F

Measurement Time: Monday, April 20, 2026, 3:15 PM EDT

Temperature Locations

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Local Points of Interest

Little River Swing Bridge

Intracoastal Waterway

Station Name: AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -30 feet

Nearest Address:
2104 Sea Mountain Hwy
North Myrtle Beach, SC 29582
Horry County

GPS Coordinates: 33.8515612, -78.6558483

Nearby Water Temperatures

Intracoastal Waterway, North Myrtle Beach, SC (4.2 mi)
Waccamaw River, Longs, SC (5.4 mi)
Intracoastal Waterway, North Myrtle Beach, SC (6.7 mi)
Buck Creek, Longs, SC (7.9 mi)
Atlantic Ocean, Sunset Beach, NC (10.3 mi)
Waccamaw River, Conway, SC (13.8 mi)
Intracoastal Waterway, Myrtle Beach, SC (14.3 mi)
Atlantic Ocean, Myrtle Beach, SC (20.3 mi)
Crabtree Swamp, Conway, SC (22.1 mi)
Waccamaw River, Conway, SC (22.3 mi)
Waccamaw River, Bucksport, SC (28.8 mi)
Waccamaw River, Pawleys Island, SC (36.1 mi)
Little Pee Dee River, Galivants Ferry, SC (36.7 mi)
Atlantic Ocean, Cape Fear, NC (37.8 mi)
Waccamaw River, Pawleys Island, SC (41 mi)

Weather for North Myrtle Beach, South Carolina

Current Weather

66.9°F
Sunny
Sunny
66.9°F
69°F
37%
SSW 8.3 mph
13.2 mph
68.3°F
44.9°F
0 in
0%
9 mi
1022 mbar
0.2

Five Day Weather Forecast

Sunny
Mon
H: 76°F
L: 42°F
Sunny
Tue
H: 67°F
L: 49°F
Sunny
Wed
H: 73°F
L: 58°F
Sunny
Thu
H: 76°F
L: 58°F
Sunny
Fri
H: 77°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 8.75 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 11.45 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:13 PM
Sunset: 7:50 PM
Daylight: 13 hrs 12 mins
Moonrise: 8:42 AM
Moon Transit: 4:21 PM
Moonset: 12:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
3:51 PM - 6:21 PM

Minor Periods

12:00 AM - 12:00 AM
8:12 AM - 9:42 AM

Action Rating: 2 out of 5

Special Weather Statement issued April 19 at 9:38PM EDT by NWS Wilmington NC

Effective: Sun April 19, 2026, 9:38 PM
Expires: Mon April 20, 2026, 7:00 PM

The combination of dry fuels, low relative humidity, and gusty winds will lead to increased fire danger today. Relative humidity values will drop to 25 to 30 percent, accompanied by northwest winds of 15 to 20 mph with gusts to 25 mph.

Please refer to your local burn permitting authorities on whether you can burn. If you do, you are advised to use extreme caution.


Special Weather Statement issued April 20 at 10:37AM EDT by NWS Wilmington NC

Effective: Mon April 20, 2026, 10:37 AM
Expires: Mon April 20, 2026, 7:00 PM

The combination of dry fuels, low relative humidity, and gusty winds will lead to increased fire danger today. Relative humidity values will drop to around 25 percent, accompanied by northwest winds of 10 to 20 mph with gusts to 25 mph.

Please refer to your local burn permitting authorities on whether you can burn. If you do, you are advised to use extreme caution.
Monday, April 20, 2026

Weather Forecast

Sunny
76.1°F
41.9°F
59.8°F
55%
0 in
0%
0%
8.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 6.41 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 3.16 μg/m3
Ozone: 87.48 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:13 PM
Sunset: 7:50 PM
Daylight: 13 hrs 12 mins
Moonrise: 8:42 AM
Moon Transit: 4:21 PM
Moonset: 12:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
3:51 PM - 6:21 PM

Minor Periods

12:00 AM - 12:00 AM
8:12 AM - 9:42 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
66.6°F
48.7°F
58°F
46%
0 in
0%
0%
12.3 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 5.23 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 164.89 μg/m3
Nitrogen Dioxide: 4.63 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 99.72 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:13 PM
Sunset: 7:50 PM
Daylight: 13 hrs 14 mins
Moonrise: 9:43 AM
Moon Transit: 5:26 PM
Moonset: 12:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
4:56 PM - 7:26 PM

Minor Periods

9:13 AM - 10:43 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Sunny
72.5°F
57.5°F
65.2°F
57%
0 in
0%
0%
16.3 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 5.77 μg/m3
PM10: 7.97 μg/m3
Carbon Monoxide: 147.69 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 115.44 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:13 PM
Sunset: 7:51 PM
Daylight: 13 hrs 16 mins
Moonrise: 10:52 AM
Moon Transit: 6:29 PM
Moonset: 1:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
5:59 PM - 8:29 PM

Minor Periods

10:22 AM - 11:52 AM
12:38 AM - 2:08 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Sunny
75.8°F
58.4°F
67.5°F
65%
0 in
0%
0%
14.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 147.78 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 104.36 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:12 PM
Sunset: 7:52 PM
Daylight: 13 hrs 17 mins
Moonrise: 12:02 AM
Moon Transit: 7:27 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
6:57 PM - 9:27 PM

Minor Periods

11:32 AM - 1:02 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Sunny
76.7°F
61.8°F
68.8°F
65%
0 in
0%
0%
15.7 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 9.43 μg/m3
Carbon Monoxide: 156.81 μg/m3
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 101.15 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:12 PM
Sunset: 7:53 PM
Daylight: 13 hrs 19 mins
Moonrise: 1:12 PM
Moon Transit: 8:19 PM
Moonset: 2:43 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
7:49 PM - 10:19 PM

Minor Periods

12:42 AM - 2:12 PM
2:13 AM - 3:43 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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