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

Current Water Temperature

32.0°F

Measurement Time: Saturday, July 25, 2026, 9:09 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

75.9°F
Light rain
Light rain
79.6°F
97.6°F
97%
SW 10.1 mph
21.4 mph
85.1°F
79.1°F
0 in
100%
8 mi
1018 mbar
5.5

Five Day Weather Forecast

Sunny
Sat
H: 85°F
L: 75°F
Partly Cloudy
Sun
H: 84°F
L: 72°F
Sunny
Mon
H: 88°F
L: 77°F
Sunny
Tue
H: 89°F
L: 77°F
Sunny
Wed
H: 94°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 7.3 μg/m3
PM10: 8.3 μg/m3
Carbon Monoxide: 100 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:21 PM
Sunset: 8:21 PM
Daylight: 13 hrs 59 mins
Moonrise: 5:49 PM
Moon Transit: 10:34 PM
Moonset: 2:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

5:19 PM - 6:49 PM
2:01 AM - 3:31 AM

Action Rating: 2 out of 5

Flood Advisory issued July 25 at 10:36AM EDT until July 25 at 12:30PM EDT by NWS Wilmington NC

Effective: Sat July 25, 2026, 10:36 AM
Expires: Sat July 25, 2026, 12:30 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Columbus County in southeastern North Carolina... Southeastern Robeson County in southeastern North Carolina... Dillon County in northeastern South Carolina... Northern Horry County in northeastern South Carolina... * WHEN...Until 1230 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1035 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen in some areas. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Whiteville, Tabor City, Loris, Chadbourn, Bethel, Lake Waccamaw, Fair Bluff, Boardman, Clarendon, Sidney, Williams, Cherry Grove, Southeastern Community College, Mollie, Green Sea, Evergreen, Goretown, Nakina, Allsbrook and Dulah. - weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.


Flood Advisory issued July 25 at 11:06AM EDT until July 25 at 1:00PM EDT by NWS Wilmington NC

Effective: Sat July 25, 2026, 11:06 AM
Expires: Sat July 25, 2026, 1:00 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Eastern Brunswick County in southeastern North Carolina... New Hanover County in southeastern North Carolina... * WHEN...Until 100 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1104 AM EDT, Doppler radar indicated heavy rain due to showers and thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen in some areas this morning. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Wilmington, Leland, Oak Island, Carolina Beach, Wrightsville Beach, Kure Beach, Holden Beach, Caswell Beach, Bald Head Island, Snows Cut, South Masonboro Island, North Masonboro Island, Ocean Crest Pier, Johnny Mercer Pier, Figure Eight Island, Boiling Spring Lakes, St. James, Southport and Mill Creek. - weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.


Marine Weather Statement issued July 25 at 11:46AM EDT by NWS Wilmington NC

Effective: Sat July 25, 2026, 11:46 AM
Expires: Sat July 25, 2026, 12:30 PM

The areas affected include... Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM... Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM... At 1144 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and frequent lightning. This thunderstorm was located between Bill Perry Junior Reef and Belky Bear, moving east at 25 knots. This storm will affect the waters near Bill Perry Junior Reef, Jungle, and Atlantic Ledge.

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. If caught on the open water, prepare for deteriorating conditions. Make sure you and your crew are wearing properly fitted life jackets.


Flash Flood Warning issued July 25 at 11:12AM EDT until July 25 at 2:15PM EDT by NWS Wilmington NC

Effective: Sat July 25, 2026, 11:12 AM
Expires: Sat July 25, 2026, 2:15 PM

FFWILM The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Southern Bladen County in southeastern North Carolina... Northern Columbus County in southeastern North Carolina... * Until 215 PM EDT. * At 1112 AM EDT, Doppler radar indicated numerous showers and thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Whiteville, Chadbourn, Lake Waccamaw, Sandyfield, Hallsboro, Emerson, Elkton, Redbug, Council, Southeastern Community College, Carvers, Kelly, Evergreen, Bolton, East Arcadia, and Cerro Gordo.

Flash flooding from heavy rainfall can be expected, especially near poor drainage areas and other flood prone locations. Roads may be damaged or washed away. Most flood deaths occur in vehicles. If flooding is observed, then turn around, don't drown.


Marine Weather Statement issued July 25 at 11:29AM EDT by NWS Wilmington NC

Effective: Sat July 25, 2026, 11:29 AM
Expires: Sat July 25, 2026, 12:30 PM

The areas affected include... Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM... Coastal waters from Surf City to Cape Fear NC out 20 nm... Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM... At 1126 AM EDT, Doppler radar indicated strong thunderstorms near the waters off Bald Head island, capable of producing winds to around 30 knots and frequent lightning. This thunderstorm was located over Bald Head Island, moving northeast at 25 knots. Additional thunderstorms are expected to impact the waters over the next several hours. Be alert for rapidly changing conditions. Locations impacted include... Fort Fisher, 10 Mile Boxcars, Liberty Ship, Dallas Rock, Billy Murrell Reef, Johnny Mercer Pier, Masonboro Sea Buoy, Harris Reef, 10 Mile Rocks, Kure Beach Point, School House Reef, Sheepshead Rock, Buoy Off Carolina Beach, Wr2, Dredge Wreck, 5 Mile Boxcars, Kure Beach, Caswell Beach, North Masonboro Island, and Wrightsville Beach.

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. If caught on the open water, prepare for deteriorating conditions. Make sure you and your crew are wearing properly fitted life jackets.


Saturday, July 25, 2026

Weather Forecast

Sunny
85.1°F
75.4°F
79.4°F
89%
0.29 in
77%
0%
12.8 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 6.76 μg/m3
PM10: 7.6 μg/m3
Carbon Monoxide: 103.92 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 53.38 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:21 PM
Sunset: 8:21 PM
Daylight: 13 hrs 59 mins
Moonrise: 5:49 PM
Moon Transit: 10:34 PM
Moonset: 2:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

5:19 PM - 6:49 PM
2:01 AM - 3:31 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Partly Cloudy
83.8°F
72°F
77.9°F
81%
0.01 in
29%
0%
8.9 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 6.96 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 121.38 μg/m3
Nitrogen Dioxide: 3.21 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 73.71 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:21 PM
Sunset: 8:20 PM
Daylight: 13 hrs 57 mins
Moonrise: 6:40 PM
Moon Transit: 11:26 PM
Moonset: 3:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 PM
12:00 AM - 12:00 AM

Minor Periods

6:10 PM - 7:40 PM
2:50 AM - 4:20 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
87.9°F
76.8°F
81.8°F
71%
0.04 in
57%
0%
11.9 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 12.03 μg/m3
PM10: 12.85 μg/m3
Carbon Monoxide: 120.5 μg/m3
Nitrogen Dioxide: 2.79 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 96.92 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:21 PM
Sunset: 8:19 PM
Daylight: 13 hrs 56 mins
Moonrise: 7:24 PM
Moon Transit: 12:00 AM
Moonset: 4:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:55 AM - 3:25 PM

Minor Periods

6:54 PM - 8:24 PM
3:45 AM - 5:15 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
89.3°F
77°F
83.2°F
74%
0.03 in
36%
0%
17 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 11.59 μg/m3
PM10: 13.35 μg/m3
Carbon Monoxide: 129.13 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 100.58 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:21 PM
Sunset: 8:19 PM
Daylight: 13 hrs 54 mins
Moonrise: 8:02 PM
Moon Transit: 12:16 AM
Moonset: 5:13 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:44 PM - 4:14 PM

Minor Periods

7:32 PM - 9:02 PM
4:43 AM - 6:13 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
94.3°F
74.1°F
84.3°F
72%
0.29 in
68%
0%
17.7 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.38 μg/m3
PM10: 8.64 μg/m3
Carbon Monoxide: 210.11 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 86.11 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:21 PM
Sunset: 8:18 PM
Daylight: 13 hrs 53 mins
Moonrise: 8:36 PM
Moon Transit: 1:05 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
2:32 PM - 5:02 PM

Minor Periods

8:06 PM - 9:36 PM
5:44 AM - 7:14 AM

Action Rating: 4 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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