281 FZUS72 KCHS 230217 MWSCHS Marine Weather Statement National Weather Service Charleston SC 1017 PM EDT Sat Aug 22 2026 AMZ360-380-230227- /O.CAN.KCHS.MA.W.0107.000000T0000Z-260823T0400Z/ 1017 PM EDT Sat Aug 22 2026 ...SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Waters from South Santee River to Edisto Beach out 60 NM... The thunderstorms have moved out of area and no longer pose a significant threat to boaters. && LAT...LON 3181 8108 3188 8111 3189 8100 3196 8100 3201 8090 3207 8092 3221 8071 3227 8078 3232 8076 3234 8069 3230 8060 3234 8047 3238 8046 3245 8050 3252 8033 3250 8030 3248 8033 3212 7948 3140 8048 3175 8116 TIME...MOT...LOC 0159Z 326DEG 17KT 3252 7988 3210 8057 3186 8108 $$ AMZ362-364-382-384-230400- /O.CON.KCHS.MA.W.0107.000000T0000Z-260823T0400Z/ 1017 PM EDT Sat Aug 22 2026 ...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT... For the following areas... Waters from Edisto Beach SC to Savannah GA out 60 NM... Waters from Savannah GA to Altamaha Sound GA out 60 NM... At 1017 PM EDT, strong thunderstorms were located along a line from 9 NM east of Kiawah Reef to over Ossabaw Sound, moving southeast at 15 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Buoy. At 1011 PM, a Weatherflow sensor reported a 42 knot wind gust. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Betsy Ross Reef, R7 Tower, Beaufort 45 Feet Reef, Hilton Head Reef, Hunting Island Reef, General Gordon, Fripp Island Reef, Dredge Henry, Buoy L, Latex Barge, Sayler Barge, Tug Delta Diamond, Tug Senasqua, Fripp Island Wreck and Gaskins Bank Wreck. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3181 8108 3188 8111 3189 8100 3196 8100 3201 8090 3207 8092 3221 8071 3227 8078 3232 8076 3234 8069 3230 8060 3234 8047 3238 8046 3245 8050 3252 8033 3250 8030 3248 8033 3212 7948 3140 8048 3175 8116 TIME...MOT...LOC 0159Z 326DEG 17KT 3252 7988 3210 8057 3186 8108 MAX HAIL SIZE...0.00 IN MAX WIND GUST...40 KTS $$ ETM  452 FZUS71 KLWX 230245 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 1045 PM EDT Sat Aug 22 2026 ANZ535-536-230330- 1045 PM EDT Sat Aug 22 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... At 1045 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 9 nm west of Alexandria to near Mason Neck State Park to near Smallwood State Park, moving east at 15 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... These strong thunderstorms will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. && LAT...LON 3851 7732 3866 7724 3866 7719 3864 7720 3864 7719 3865 7716 3870 7720 3873 7706 3890 7708 3891 7705 3885 7700 3870 7700 3867 7708 3862 7709 3851 7724 3846 7724 3844 7733 $$ KR