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

Current Water Temperature

88.2°F

Measurement Time: Sunday, July 19, 2026, 6:15 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

90°F
Sunny
Sunny
100.5°F
95.6°F
56%
WSW 12.3 mph
15.3 mph
87.8°F
72.8°F
0 in
0%
9 mi
1015 mbar
4.6

Five Day Weather Forecast

Sunny
Sun
H: 95°F
L: 80°F
Sunny
Mon
H: 92°F
L: 81°F
Patchy rain nearby
Tue
H: 90°F
L: 81°F
Sunny
Wed
H: 89°F
L: 81°F
Patchy rain nearby
Thu
H: 85°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 8.2 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 135 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 108 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:21 PM
Sunset: 8:25 PM
Daylight: 14 hrs 7 mins
Moonrise: 11:57 AM
Moon Transit: 5:52 PM
Moonset: 12:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
5:22 PM - 7:52 PM

Minor Periods

11:27 AM - 12:57 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 18 at 2:32PM EDT until July 19 at 11:00PM EDT by NWS Wilmington NC

Effective: Sat July 18, 2026, 2:32 PM
Expires: Sun July 19, 2026, 8:00 AM

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Northeast South Carolina coastal waters out 20 NM. * WHEN...From 4 PM this afternoon to 11 PM EDT Sunday. * 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 19 at 2:24AM EDT until July 19 at 9:00PM EDT by NWS Wilmington NC

Effective: Sun July 19, 2026, 2:24 AM
Expires: Sun July 19, 2026, 3:00 PM

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Northeast South Carolina coastal waters out 20 NM. * WHEN...From noon today to 9 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 19 at 7:32AM EDT until July 19 at 9:00PM EDT by NWS Wilmington NC

Effective: Sun July 19, 2026, 7:32 AM
Expires: Sun July 19, 2026, 9:00 PM

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Northeast South Carolina coastal waters out 20 NM. * WHEN...From noon today to 9 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.
Sunday, July 19, 2026

Weather Forecast

Sunny
94.6°F
80.4°F
85.8°F
75%
0.01 in
19%
0%
20.8 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 120.04 μg/m3
Nitrogen Dioxide: 1.31 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:21 PM
Sunset: 8:25 PM
Daylight: 14 hrs 7 mins
Moonrise: 11:57 AM
Moon Transit: 5:52 PM
Moonset: 12:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
5:22 PM - 7:52 PM

Minor Periods

11:27 AM - 12:57 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
91.9°F
80.5°F
85.2°F
69%
0.05 in
57%
0%
18.6 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 12.91 μg/m3
PM10: 17.58 μg/m3
Carbon Monoxide: 101.17 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 66.17 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:21 PM
Sunset: 8:24 PM
Daylight: 14 hrs 5 mins
Moonrise: 12:57 AM
Moon Transit: 6:35 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
6:05 PM - 8:35 PM

Minor Periods

12:27 AM - 1:57 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Patchy rain nearby
90.2°F
80.9°F
84.6°F
73%
0.12 in
65%
0%
22.8 mph
9.4


Air Quality

AQI: 2 - Moderate
PM2.5: 16.96 μg/m3
PM10: 22.06 μg/m3
Carbon Monoxide: 110.21 μg/m3
Nitrogen Dioxide: 1.07 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 79.17 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:21 PM
Sunset: 8:23 PM
Daylight: 14 hrs 4 mins
Moonrise: 1:57 PM
Moon Transit: 7:19 PM
Moonset: 12:08 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:00 AM - 10:30 AM
6:49 PM - 9:19 PM

Minor Periods

1:27 PM - 2:57 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
89.2°F
81.3°F
84.4°F
74%
0.13 in
63%
0%
22.8 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 10.96 μg/m3
PM10: 15.72 μg/m3
Carbon Monoxide: 106.66 μg/m3
Nitrogen Dioxide: 1.13 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 71.08 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:21 PM
Sunset: 8:23 PM
Daylight: 14 hrs 3 mins
Moonrise: 2:57 PM
Moon Transit: 8:05 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

8:45 AM - 11:15 AM
7:35 PM - 10:05 PM

Minor Periods

2:27 PM - 3:57 PM
12:07 AM - 1:37 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Patchy rain nearby
85°F
76°F
79.2°F
86%
0.55 in
87%
0%
11.4 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 14.53 μg/m3
PM10: 17.51 μg/m3
Carbon Monoxide: 155.22 μg/m3
Nitrogen Dioxide: 1.64 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 78.22 μg/m3

Astronomical

Sunrise: 6:21 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

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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