Savannah, GA to Altamaha Sound, GA including Grays Reef National Marine Sanctuary Marine Forecast
| Tonight...Sw Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt After Midnight. Seas 3 To 4 Ft, Subsiding To 2 To 3 Ft After Midnight. Wave Detail: S 4 Ft At 5 Seconds And E 1 Foot At 12 Seconds, Becoming S 3 Ft At 5 Seconds And E 1 Foot At 12 Seconds. A Slight Chance Of Showers After Midnight. A Chance Of Showers With A Slight Chance Of Tstms Late. |
| Fri...Sw Winds 5 To 10 Kt, Becoming E In The Afternoon. Seas 2 Ft. Wave Detail: S 2 Ft At 5 Seconds And E 1 Foot At 9 Seconds. Showers. |
| Fri Night...Ne Winds 5 To 10 Kt. Seas 2 Ft. Wave Detail: Se 1 Foot At 4 Seconds And E 1 Foot At 9 Seconds. Showers With A Slight Chance Of Tstms In The Evening, Then Showers Likely After Midnight. |
| Sat...Ne Winds 10 Kt. Seas 2 Ft. Wave Detail: Ne 2 Ft At 5 Seconds And Se 1 Foot At 4 Seconds. A Slight Chance Of Showers In The Morning. |
| Sat Night...Ne Winds 5 To 10 Kt. Seas 2 Ft. Wave Detail: E 2 Ft At 6 Seconds. |
| Sun...N Winds 5 To 10 Kt, Becoming Ne In The Afternoon. Seas 2 Ft. Wave Detail: E 2 Ft At 7 Seconds. |
| Sun Night...E Winds 5 To 10 Kt. Seas 2 To 3 Ft. |
| Mon...Ne Winds 20 To 25 Kt. Seas 3 To 4 Ft. A Chance Of Showers. |
| Mon Night...Ne Winds 20 To 25 Kt. Seas 5 To 6 Ft. A Chance Of Showers. |
| Tue...Ne Winds 20 To 25 Kt. Seas 5 To 7 Ft. A Chance Of Showers. |
| Tue Night...Ne Winds 15 To 20 Kt. Seas 5 To 6 Ft. A Slight Chance Of Showers. Winds And Seas Higher In And Near Tstms. |
| Area Forecast Discussion National Weather Service Charleston SC 1101pm EST Thu Feb 26 2026 .WHAT HAS CHANGED... Key Message 1 has been removed for gusty winds across Lake Moultrie and is now replaced with key message for widespread rainfall. Minor update to Marine Section to reflect ongoing trends. .KEY MESSAGES... - 1) A passing front will result in widespread rainfall late tonight through Friday night. KEY MESSAGE 1: A passing front will result in widespread rainfall from late tonight through Saturday. A broad upper trough will shift east overnight, then an embedded shortwave will move through on Friday. A weak surface low will move through on Friday along a weak cold front that will move offshore in the evening. Decent moisture advection is expected overnight into Friday with Precipitable Water values reaching 1.3-1.4". A few showers could brush past the inland SC/GA counties through this evening, then the brunt of the precipitation will move through late tonight through Friday, with some lingering precipitation into Friday night. Weak elevated instability might support an isolated thunderstorm tonight but there are no indications of severe potential. Overall precipitation totals still look on the order of 1-1.5" with the greatest totals across the northwest half of the area. Marine Gusty SW winds and elevated seas will taper off this evening, resulting in no marine concerns through the night. Another round of Small Craft Advisories is expected late Sunday night through Monday night as strong NE winds develop behind another cold front. NOAA Charleston SC Office: Watches - Warnings - Advisories GA...None. SC...None. Marine None. |
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