Marine Weather Net

Murrells Inlet to South Santee River SC Marine Forecast


TONIGHT

SW
WINDS
15 - 20
KNOTS

TUE

SW
WINDS
10 - 15
KNOTS

TUE NIGHT

SW
WINDS
15 - 20
KNOTS

WED

SW
WINDS
10 - 15
KNOTS

The Marine Weather Forecast In Detail:
AMZ256 Forecast Issued: 803 PM EDT Mon Jul 06 2026

Tonight...Sw Winds 15 To 20 Kt. Seas 3 To 4 Ft. Wave Detail: S 3 Ft At 5 Seconds And E 1 Ft At 9 Seconds. A Slight Chance Of Showers And Tstms Late.
Tue...Sw Winds 10 To 15 Kt, Increasing To 15 To 20 Kt In The Afternoon. Gusts Up To 25 Kt. Seas 2 To 4 Ft. Wave Detail: S 4 Ft At 6 Seconds And E 1 Ft At 9 Seconds. A Slight Chance Of Showers And Tstms In The Afternoon.
Tue Night...Sw Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt After Midnight. Seas 3 To 4 Ft. Wave Detail: S 4 Ft At 5 Seconds And Se 1 Ft At 9 Seconds.
Wed...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 4 Ft. Wave Detail: S 3 Ft At 6 Seconds And Se 1 Ft At 9 Seconds.
Wed Night...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 3 To 4 Ft. Wave Detail: S 3 Ft At 6 Seconds And Se 1 Ft At 9 Seconds.
Thu...Sw Winds 10 To 15 Kt. Gusts Up To 20 Kt In The Afternoon. Seas 2 To 4 Ft. Wave Detail: S 4 Ft At 6 Seconds And Se 1 Ft At 9 Seconds.
Thu Night...Sw Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 3 To 4 Ft.
Fri...Sw Winds 10 To 15 Kt, Increasing To 15 To 20 Kt In The Afternoon. Seas 3 To 4 Ft.
Fri Night...Sw Winds 15 To 20 Kt. Seas 3 To 5 Ft.
Sat...Sw Winds 15 To 20 Kt. Seas 3 To 4 Ft.
Sat Night...Sw Winds 15 To 20 Kt, Becoming W 10 To 15 Kt After Midnight. Seas 2 To 4 Ft. A Chance Of Showers And Tstms. Winds And Seas Higher In And Near Tstms.
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Area Forecast Discussion
National Weather Service Wilmington NC
810pm EDT Monday July 6 2026

.WHAT HAS CHANGED...

.KEY MESSAGES... 1) Above normal temperatures and increased humidity will continue through much of this week. The potential for showers and thunderstorms may provide some temporary relief for some areas each day.

KEY MESSAGE 1... Above normal temperatures and increased humidity will continue through much of this week. The potential for showers and thunderstorms may provide some temporary relief for some areas each day.

Building ridge across the southwestern Atlantic will sneak into the Carolinas on Wednesday. Warmer temperatures are expected to return and weak subsidence following a shortwave will keep afternoon convection isolated to widely scattered. Warm temperatures on Wednesday are still only slightly above normal and increased humidity could push heat indices up to 105 for a brief period. The main concern would be areas of coastal SC prior to the developing sea breeze.

Ridging builds on Thursday and Friday. Westerly downslope flow will add to the warm temperatures. Highs should easily reach the upper 90s for a large portion of the area. This, combined with high humidity, will likely lead to additional heat advisories later this week. The center of the ridge will be suppressed to our south. Meanwhile, weak shortwave impulses will move through the Mid-Atlantic both Thursday and Friday. This should spark some isolated convection despite the drier air aloft.

Marine
Southwesterly winds increase today as the Bermuda high builds westward across the Atlantic. Breezy SW winds are expected with gusts up to 20 knots possible through this evening. Choppy seas increase to around 2-3 feet overnight. The surface pattern remains stable on Tuesday and Wednesday and the extended fetch leads to an increase in swell and wind waves. A compressed gradient will keep breezy conditions through late this week.

NOAA Wilmington NC Office: Watches - Warnings - Advisories
NC...Beach Hazards Statement from 6am EDT Tuesday through Tuesday evening for NCZ106-108. SC...Beach Hazards Statement from 6am EDT Tuesday through Tuesday evening for SCZ054-056.

Marine
None.