Water Temperature of the Intracoastal Waterway in Myrtle Beach, SC

Current Water Temperature

80.1°F

Measurement Time: Monday, May 18, 2026, 11:15 AM EDT

Temperature Locations

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Local Points of Interest

Myrtlewood Golf Club

Intracoastal Waterway

Station Name: AIW AT MYRTLEWOOD GOLF COURSE AT MYRTLE BEACH, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
301 Avenue of the Palms
Myrtle Beach, SC 29579
Horry County

GPS Coordinates: 33.74072759, -78.8666928

Nearby Water Temperatures

Atlantic Ocean, Myrtle Beach, SC (6.6 mi)
Intracoastal Waterway, North Myrtle Beach, SC (7.6 mi)
Waccamaw River, Conway, SC (7.8 mi)
Intracoastal Waterway, North Myrtle Beach, SC (10.2 mi)
Waccamaw River, Conway, SC (12 mi)
Crabtree Swamp, Conway, SC (13 mi)
Intracoastal Waterway, North Myrtle Beach, SC (14.3 mi)
Waccamaw River, Bucksport, SC (14.5 mi)
Waccamaw River, Longs, SC (14.7 mi)
Buck Creek, Longs, SC (16.9 mi)
Waccamaw River, Pawleys Island, SC (22 mi)
Atlantic Ocean, Sunset Beach, NC (23.3 mi)
Waccamaw River, Pawleys Island, SC (27 mi)
Little Pee Dee River, Galivants Ferry, SC (30.9 mi)
Atlantic Ocean, Cape Fear, NC (48.9 mi)

Weather for Myrtle Beach, South Carolina

Current Weather

80.1°F
Sunny
Sunny
84.1°F
91.1°F
76%
SSE 11 mph
12.6 mph
83.8°F
74.5°F
0 in
0%
9 mi
1025 mbar
7.8

Five Day Weather Forecast

Sunny
Mon
H: 86°F
L: 66°F
Sunny
Tue
H: 80°F
L: 68°F
Sunny
Wed
H: 81°F
L: 68°F
Sunny
Thu
H: 82°F
L: 70°F
Patchy rain nearby
Fri
H: 81°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 10.45 μg/m3
PM10: 16.35 μg/m3
Carbon Monoxide: 132.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:11 PM
Sunset: 8:12 PM
Daylight: 13 hrs 59 mins
Moonrise: 7:27 AM
Moon Transit: 3:10 PM
Moonset: 10:54 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
2:40 PM - 5:10 PM

Minor Periods

10:24 PM - 11:54 PM
6:57 AM - 8:27 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued May 18 at 5:23AM EDT until May 18 at 11:00PM EDT by NWS Wilmington NC

Effective: Mon May 18, 2026, 5:23 AM
Expires: Mon May 18, 2026, 4:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 8 PM to 11 PM EDT this evening. * IMPACTS...Vulnerable causeways to and from local beaches may experience minor coastal flooding. Low-lying roads and locations along the Intracoastal Waterway and adjacent tidal creeks may observe minor coastal flooding. Check with local officials for the latest information regarding coastal flood impacts and closures. * ADDITIONAL DETAILS...Affected areas listed are based on average tide conditions. Additional locations may experience flooding during periods of heavy rainfall, high winds, or other factors.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued May 18 at 1:55PM EDT until May 18 at 11:00PM EDT by NWS Wilmington NC

Effective: Mon May 18, 2026, 1:55 PM
Expires: Mon May 18, 2026, 11:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...From 8 PM to 11 PM EDT this evening. * IMPACTS...Vulnerable causeways to and from local beaches may experience minor coastal flooding. Low-lying roads and locations along the Intracoastal Waterway and adjacent tidal creeks may observe minor coastal flooding.

Take the necessary actions to protect flood-prone property.
Monday, May 18, 2026

Weather Forecast

Sunny
86.2°F
66°F
75.6°F
82%
0 in
0%
0%
11 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 10.78 μg/m3
PM10: 16.52 μg/m3
Carbon Monoxide: 138.01 μg/m3
Nitrogen Dioxide: 2.16 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 95.72 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:11 PM
Sunset: 8:12 PM
Daylight: 13 hrs 59 mins
Moonrise: 7:27 AM
Moon Transit: 3:10 PM
Moonset: 10:54 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
2:40 PM - 5:10 PM

Minor Periods

10:24 PM - 11:54 PM
6:57 AM - 8:27 AM

Action Rating: 4 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
80.1°F
68°F
73.7°F
75%
0 in
0%
0%
10.1 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 13.03 μg/m3
PM10: 20.78 μg/m3
Carbon Monoxide: 126.89 μg/m3
Nitrogen Dioxide: 1.52 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 94.08 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:12 PM
Sunset: 8:13 PM
Daylight: 14 hrs 1 mins
Moonrise: 8:36 AM
Moon Transit: 4:16 PM
Moonset: 11:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
3:46 PM - 6:16 PM

Minor Periods

12:00 AM - 12:00 AM
8:06 AM - 9:36 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
80.8°F
67.7°F
74.6°F
76%
0 in
0%
0%
13.2 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 9.96 μg/m3
PM10: 15.43 μg/m3
Carbon Monoxide: 122.45 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 74.88 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:12 PM
Sunset: 8:13 PM
Daylight: 14 hrs 2 mins
Moonrise: 9:49 AM
Moon Transit: 5:18 PM
Moonset: 12:52 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
4:48 PM - 7:18 PM

Minor Periods

9:19 AM - 10:49 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
82.1°F
69.7°F
75.7°F
78%
0 in
0%
0%
13.6 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 7.49 μg/m3
PM10: 11.58 μg/m3
Carbon Monoxide: 111.74 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 58.72 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:12 PM
Sunset: 8:14 PM
Daylight: 14 hrs 3 mins
Moonrise: 11:01 AM
Moon Transit: 6:14 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
5:44 PM - 8:14 PM

Minor Periods

10:31 AM - 12:01 AM
12:10 AM - 1:40 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
81.1°F
70.6°F
75.2°F
81%
0.13 in
84%
0%
11.4 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.28 μg/m3
PM10: 10.38 μg/m3
Carbon Monoxide: 108.57 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 57.54 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:12 PM
Sunset: 8:15 PM
Daylight: 14 hrs 5 mins
Moonrise: 12:11 AM
Moon Transit: 7:05 PM
Moonset: 1:18 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:43 AM - 10:13 AM
6:35 PM - 9:05 PM

Minor Periods

11:41 AM - 1:11 PM
12:48 AM - 2:18 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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