Water Temperature of the Intracoastal Waterway in North Myrtle Beach, SC
Current Water Temperature
Measurement Time: Friday, October 3, 2025, 11:15 PM EDT
Temperature Locations
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Local Points of Interest
Little River Swing BridgeSponsored Content
Station Name: AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: -30 feet / -9 meters
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 (41.0 mi)
Weather for North Myrtle Beach, South Carolina
Current Weather

Humidity: 100%
Feels Like: 66.9°F
Wind: WSW 2.5 mph
Wind Gusts: 4.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 4 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 83°F
L: 69°F

Thu
H: 70°F
L: 63°F

Fri
H: 65°F
L: 57°F

Sat
H: 74°F
L: 63°F

Sun
H: 73°F
L: 62°F
Air Quality
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 72 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 6:49 PM
Daylight: 11 hrs 35 mins
Moon Transit: 1:54 AM
Moonset: 8:56 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:24 AM - 3:54 AM3:26 PM - 5:56 PM
Minor Periods
7:10 PM - 8:40 PM8:26 AM - 9:56 AM
Action Rating: 4 out of 5
Coastal Flood Advisory issued October 8 at 1:35AM EDT until October 8 at 11:00AM EDT by NWS Wilmington NC
Effective: Wed October 8, 2025, 1:35 AM
Expires: Wed October 8, 2025, 11:00 AM
* WHAT...Up to one 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 7 AM to 11 AM EDT this morning. * IMPACTS...Vulnerable causeways to and from local beaches will experience minor coastal flooding. Low-lying roads and locations along the Intracoastal Waterway and adjacent tidal creeks will 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 October 8 at 1:35AM EDT until October 8 at 11:00AM EDT by NWS Wilmington NC
Effective: Wed October 8, 2025, 1:35 AM
Expires: Wed October 8, 2025, 11:00 AM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Coastal Brunswick County. * WHEN...From 7 AM to 11 AM EDT this morning. * IMPACTS...Low-lying roads and locations along the Intracoastal Waterway and adjacent tidal creeks may observe minor coastal flooding. Check with local officials for any road closures or impacts. * 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.
Weather Forecast
Average Temperature: 74.6°F
Average Humidity: 89%
Wind: 6.5 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 4.99 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 68.08 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 6:49 PM
Daylight: 11 hrs 35 mins
Moon Transit: 1:54 AM
Moonset: 8:56 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:24 AM - 3:54 AM3:26 PM - 5:56 PM
Minor Periods
7:10 PM - 8:40 PM8:26 AM - 9:56 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 67.1°F
Average Humidity: 63%
Wind: 17.2 mph
UV Index: 1.1
Air Quality
Nitrogen Dioxide: 4.23 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 73.6 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 6:48 PM
Daylight: 11 hrs 33 mins
Moon Transit: 2:50 AM
Moonset: 10:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
2:20 AM - 4:50 AM4:25 PM - 6:55 PM
Minor Periods
7:54 PM - 9:24 PM9:42 AM - 11:12 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 62.3°F
Average Humidity: 70%
Wind: 17.4 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 80.68 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 6:47 PM
Daylight: 11 hrs 31 mins
Moon Transit: 3:51 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
3:21 AM - 5:51 AM5:27 PM - 7:57 PM
Minor Periods
8:44 PM - 10:14 PM10:57 AM - 12:27 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 67.2°F
Average Humidity: 77%
Wind: 15.2 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 79.15 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 6:46 PM
Daylight: 11 hrs 29 mins
Moon Transit: 4:54 AM
Moonset: 12:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%
Best Times for Fishing or Hunting
Major Periods
4:24 AM - 6:54 AM6:31 PM - 9:01 PM
Minor Periods
9:44 PM - 11:14 PM12:09 AM - 1:39 PM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 65.9°F
Average Humidity: 79%
Wind: 15.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 6:44 PM
Daylight: 11 hrs 27 mins
Moon Transit: 5:58 AM
Moonset: 1:41 PM
Moon Phase: Waning Gibbous
Moon Illumination: 62.3%
Best Times for Fishing or Hunting
Major Periods
5:28 AM - 7:58 AM7:34 PM - 10:04 PM
Minor Periods
12:00 AM - 12:00 AM1:11 PM - 2:41 PM
Action Rating: 2 out of 5