Water Temperature of the Intracoastal Waterway in North Myrtle Beach, SC
Current Water Temperature
Measurement Time: Thursday, September 4, 2025, 6:15 AM 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: 64%
Feels Like: 80.5°F
Wind: S 3.6 mph
Wind Gusts: 4.1 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 5.6
Five Day Weather Forecast

Thu
H: 87°F
L: 71°F

Fri
H: 87°F
L: 76°F

Sat
H: 89°F
L: 74°F

Sun
H: 87°F
L: 71°F

Mon
H: 81°F
L: 68°F
Air Quality
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 122 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:36 PM
Daylight: 12 hrs 45 mins
Moon Transit: 11:06 PM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%
Best Times for Fishing or Hunting
Major Periods
11:44 AM - 2:14 PM12:00 AM - 12:00 AM
Minor Periods
5:30 PM - 7:00 PM2:43 AM - 4:13 AM
Action Rating: 2 out of 5
Coastal Flood Advisory issued September 4 at 1:09AM EDT until September 4 at 10:00PM EDT by NWS Wilmington NC
Effective: Thu September 4, 2025, 1:09 AM
Expires: Thu September 4, 2025, 2:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...The lower Cape Fear River including downtown Wilmington. * WHEN...From 7 PM to 10 PM EDT this evening. * IMPACTS...The lowest portions of USS North Carolina Road and Battleship Road begin to observe minor coastal flooding. Water begins to spread out of storm drains onto Water Street just south of Market Street in downtown Wilmington. * 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 September 4 at 1:09AM EDT until September 4 at 10:00PM EDT by NWS Wilmington NC
Effective: Thu September 4, 2025, 1:09 AM
Expires: Thu September 4, 2025, 2:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...The lower Cape Fear River including downtown Wilmington. * WHEN...From 7 PM to 10 PM EDT this evening. * IMPACTS...The lowest portions of USS North Carolina Road and Battleship Road begin to observe minor coastal flooding. Water begins to spread out of storm drains onto Water Street just south of Market Street in downtown Wilmington. * 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 September 4 at 1:09AM EDT until September 4 at 10:00PM EDT by NWS Wilmington NC
Effective: Thu September 4, 2025, 1:09 AM
Expires: Thu September 4, 2025, 2:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...The lower Cape Fear River including downtown Wilmington. * WHEN...From 7 PM to 10 PM EDT this evening. * IMPACTS...The lowest portions of USS North Carolina Road and Battleship Road begin to observe minor coastal flooding. Water begins to spread out of storm drains onto Water Street just south of Market Street in downtown Wilmington. * 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 September 4 at 1:09AM EDT until September 4 at 10:00PM EDT by NWS Wilmington NC
Effective: Thu September 4, 2025, 1:09 AM
Expires: Thu September 4, 2025, 2:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...The lower Cape Fear River including downtown Wilmington. * WHEN...From 7 PM to 10 PM EDT this evening. * IMPACTS...The lowest portions of USS North Carolina Road and Battleship Road begin to observe minor coastal flooding. Water begins to spread out of storm drains onto Water Street just south of Market Street in downtown Wilmington. * 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: 78.3°F
Average Humidity: 71%
Wind: 9.4 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 11.29 μg/m3
Sulphur Dioxide: 2.94 μg/m3
Ozone: 88.24 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:36 PM
Daylight: 12 hrs 45 mins
Moon Transit: 11:06 PM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%
Best Times for Fishing or Hunting
Major Periods
11:44 AM - 2:14 PM12:00 AM - 12:00 AM
Minor Periods
5:30 PM - 7:00 PM2:43 AM - 4:13 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 80°F
Average Humidity: 77%
Wind: 10.1 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 7.18 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 80.96 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:34 PM
Daylight: 12 hrs 43 mins
Moon Transit: 11:57 PM
Moonset: 4:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%
Best Times for Fishing or Hunting
Major Periods
12:36 AM - 3:06 PM12:00 AM - 12:00 AM
Minor Periods
6:05 PM - 7:35 PM3:50 AM - 5:20 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 80.2°F
Average Humidity: 80%
Wind: 8.7 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 12.46 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 64.68 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:33 PM
Daylight: 12 hrs 41 mins
Moon Transit: 12:00 AM
Moonset: 5:27 AM
Moon Phase: Full
Moon Illumination: 99.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:26 PM - 3:56 PM
Minor Periods
6:37 PM - 8:07 PM4:57 AM - 6:27 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 78.4°F
Average Humidity: 77%
Wind: 11.2 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 6.79 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 76.8 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:32 PM
Daylight: 12 hrs 39 mins
Moon Transit: 12:46 AM
Moonset: 6:36 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:16 AM - 2:46 AM2:14 PM - 4:44 PM
Minor Periods
7:06 PM - 8:36 PM6:06 AM - 7:36 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 73.6°F
Average Humidity: 77%
Wind: 18.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 5.31 μg/m3
Ozone: 90.69 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:30 PM
Daylight: 12 hrs 37 mins
Moon Transit: 1:35 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 97.6%
Best Times for Fishing or Hunting
Major Periods
1:05 AM - 3:35 AM2:58 PM - 5:28 PM
Minor Periods
7:35 PM - 9:05 PM7:13 AM - 8:43 AM
Action Rating: 5 out of 5