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

Current Water Temperature

87.8°F

Measurement Time: Wednesday, July 22, 2026, 8:15 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

82.9°F
Clear
Clear
91.2°F
89.7°F
79%
SSW 14.1 mph
21 mph
82.2°F
75.3°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 96°F
L: 79°F
Patchy rain nearby
Fri
H: 85°F
L: 78°F
Patchy rain nearby
Sat
H: 82°F
L: 74°F
Partly Cloudy
Sun
H: 85°F
L: 70°F
Sunny
Mon
H: 88°F
L: 77°F

Air Quality

AQI: 1 - Good
PM2.5: 5.6 μg/m3
PM10: 8.1 μg/m3
Carbon Monoxide: 88 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 56 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:21 PM
Sunset: 8:22 PM
Daylight: 14 hrs 2 mins
Moonrise: 3:56 PM
Moon Transit: 8:53 PM
Moonset: 1:09 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:32 AM - 12:02 AM
8:23 PM - 10:53 PM

Minor Periods

3:26 PM - 4:56 PM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 22 at 2:35AM EDT until July 22 at 10:00PM EDT by NWS Wilmington NC

Effective: Wed July 22, 2026, 2:35 AM
Expires: Wed July 22, 2026, 10:00 PM

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 ft. * WHERE...Southeast North Carolina and Northeast South Carolina coastal waters out 20 NM. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 22 at 8:38PM EDT until July 23 at 6:00AM EDT by NWS Wilmington NC

Effective: Wed July 22, 2026, 8:38 PM
Expires: Thu July 23, 2026, 6:00 AM

* WHAT...Southwest winds 15 to 20 kt with frequent gusts up to 25 kt nearshore. Seas 3 to 5 ft with a few 6 footers possible. * WHERE...Southeast North Carolina and Northeast South Carolina coastal waters out 20 NM. * WHEN...Until 6 AM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Thursday, July 23, 2026

Weather Forecast

Sunny
95.5°F
79.3°F
83.8°F
79%
0.17 in
67%
0%
14.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 9.28 μg/m3
PM10: 13.7 μg/m3
Carbon Monoxide: 93.21 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 62.04 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:21 PM
Sunset: 8:22 PM
Daylight: 14 hrs 2 mins
Moonrise: 3:56 PM
Moon Transit: 8:53 PM
Moonset: 1:09 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:32 AM - 12:02 AM
8:23 PM - 10:53 PM

Minor Periods

3:26 PM - 4:56 PM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Patchy rain nearby
85.2°F
77.7°F
80.4°F
84%
0.75 in
85%
0%
9.8 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 8.82 μg/m3
PM10: 12.08 μg/m3
Carbon Monoxide: 103.46 μg/m3
Nitrogen Dioxide: 2.36 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 58.33 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:21 PM
Sunset: 8:21 PM
Daylight: 14 hrs mins
Moonrise: 4:54 PM
Moon Transit: 9:43 PM
Moonset: 1:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:21 AM - 12:51 AM
9:13 PM - 11:43 PM

Minor Periods

4:24 PM - 5:54 PM
1:17 AM - 2:47 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Patchy rain nearby
81.9°F
74.1°F
77.6°F
88%
0.62 in
88%
0%
8.1 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 7.31 μg/m3
Carbon Monoxide: 119.79 μg/m3
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 53.04 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:21 PM
Sunset: 8:21 PM
Daylight: 13 hrs 59 mins
Moonrise: 5:49 PM
Moon Transit: 10:34 PM
Moonset: 2:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

5:19 PM - 6:49 PM
2:00 AM - 3:30 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Partly Cloudy
85.2°F
70.2°F
77.4°F
79%
0.02 in
42%
0%
8.7 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.79 μg/m3
PM10: 6.75 μg/m3
Carbon Monoxide: 139.93 μg/m3
Nitrogen Dioxide: 2.76 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 69.63 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:21 PM
Sunset: 8:20 PM
Daylight: 13 hrs 58 mins
Moonrise: 6:39 PM
Moon Transit: 11:25 PM
Moonset: 3:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 PM
12:00 AM - 12:00 AM

Minor Periods

6:09 PM - 7:39 PM
2:49 AM - 4:19 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
87.6°F
77°F
82°F
78%
0.12 in
63%
0%
15.2 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 11.18 μg/m3
PM10: 12.93 μg/m3
Carbon Monoxide: 241.67 μg/m3
Nitrogen Dioxide: 7.37 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 40.56 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:21 PM
Sunset: 8:19 PM
Daylight: 13 hrs 56 mins
Moonrise: 7:23 PM
Moon Transit: 12:00 AM
Moonset: 4:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:55 AM - 3:25 PM

Minor Periods

6:53 PM - 8:23 PM
3:45 AM - 5:15 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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