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

Current Water Temperature

75.2°F

Measurement Time: Friday, October 3, 2025, 11:15 PM EDT

Temperature Locations

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Local Points of Interest

Little River Swing Bridge

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Intracoastal Waterway

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

66.9°F
Mist
Conditions: Mist
Humidity: 100%
Feels Like: 66.9°F
Wind: WSW 2.5 mph
Wind Gusts: 4.6 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 4 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 83°F
L: 69°F
Overcast
Thu
H: 70°F
L: 63°F
Overcast
Fri
H: 65°F
L: 57°F
Patchy rain nearby
Sat
H: 74°F
L: 63°F
Patchy rain nearby
Sun
H: 73°F
L: 62°F

Air Quality

PM2.5: 7.45 μg/m3
PM10: 10.75 μg/m3
Carbon Monoxide: 120.85 μg/m3
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:02 PM
Sunset: 6:49 PM
Daylight: 11 hrs 35 mins
Moonrise: 7:40 PM
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 AM
3:26 PM - 5:56 PM

Minor Periods

7:10 PM - 8:40 PM
8:26 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.


Wednesday, October 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.6°F
Average Humidity: 89%
Chance of Rain: 63%
Wind: 6.5 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 9.35 μg/m3
Carbon Monoxide: 125.25 μg/m3
Nitrogen Dioxide: 4.99 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 68.08 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:02 PM
Sunset: 6:49 PM
Daylight: 11 hrs 35 mins
Moonrise: 7:40 PM
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 AM
3:26 PM - 5:56 PM

Minor Periods

7:10 PM - 8:40 PM
8:26 AM - 9:56 AM

Action Rating: 4 out of 5

Thursday, October 9, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 67.1°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 17.2 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 4.69 μg/m3
PM10: 5.01 μg/m3
Carbon Monoxide: 147.17 μg/m3
Nitrogen Dioxide: 4.23 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 73.6 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:01 PM
Sunset: 6:48 PM
Daylight: 11 hrs 33 mins
Moonrise: 8:24 PM
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 AM
4:25 PM - 6:55 PM

Minor Periods

7:54 PM - 9:24 PM
9:42 AM - 11:12 AM

Action Rating: 3 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 62.3°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 17.4 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 4.49 μg/m3
Carbon Monoxide: 140.57 μg/m3
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 80.68 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:01 PM
Sunset: 6:47 PM
Daylight: 11 hrs 31 mins
Moonrise: 9:14 PM
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 AM
5:27 PM - 7:57 PM

Minor Periods

8:44 PM - 10:14 PM
10:57 AM - 12:27 AM

Action Rating: 2 out of 5

Saturday, October 11, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 67.2°F
Average Humidity: 77%
Chance of Rain: 89%
Wind: 15.2 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 3.43 μg/m3
PM10: 4.26 μg/m3
Carbon Monoxide: 141.62 μg/m3
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 79.15 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:01 PM
Sunset: 6:46 PM
Daylight: 11 hrs 29 mins
Moonrise: 10:14 PM
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 AM
6:31 PM - 9:01 PM

Minor Periods

9:44 PM - 11:14 PM
12:09 AM - 1:39 PM

Action Rating: 4 out of 5

Sunday, October 12, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 65.9°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:01 PM
Sunset: 6:44 PM
Daylight: 11 hrs 27 mins
Moonrise: 11:20 PM
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 AM
7:34 PM - 10:04 PM

Minor Periods

12:00 AM - 12:00 AM
1:11 PM - 2:41 PM

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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