WHUS72 KCHS 161828 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 228 PM EDT Fri Oct 16 2026 AMZ360-362-364-170230- /O.EXT.KCHS.SC.Y.0054.261017T1000Z-261017T1600Z/ /O.UPG.KCHS.GL.A.0010.261017T1800Z-261020T0700Z/ /O.NEW.KCHS.GL.W.0014.261017T1600Z-261020T0600Z/ Coastal waters from South Santee River to Edisto Beach SC out 20 NM- Coastal waters from Edisto Beach SC to Savannah GA out 20 NM- Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary- 228 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM TO NOON EDT SATURDAY... ...GALE WARNING IN EFFECT FROM NOON SATURDAY TO 2 AM EDT TUESDAY... * WHAT...For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt expected. For the Gale Warning, north winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 10 ft expected. * WHERE...South Santee River SC to Altamaha Sound GA out 20 NM. * WHEN...For the Small Craft Advisory, from 6 AM to noon EDT Saturday. For the Gale Warning, from noon Saturday to 2 AM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ AMZ384-170230- /O.EXT.KCHS.SC.Y.0054.261017T1000Z-261017T1600Z/ /O.UPG.KCHS.GL.A.0010.261017T1500Z-261020T1300Z/ /O.NEW.KCHS.GL.W.0014.261017T1600Z-261020T0600Z/ Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM- 228 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM TO NOON EDT SATURDAY... ...GALE WARNING IN EFFECT FROM NOON SATURDAY TO 2 AM EDT TUESDAY... * WHAT...For the Small Craft Advisory, northwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 ft expected. For the Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and seas 9 to 14 ft expected. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...For the Small Craft Advisory, from 6 AM to noon EDT Saturday. For the Gale Warning, from noon Saturday to 2 AM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ AMZ380-382-170230- /O.UPG.KCHS.GL.A.0010.261017T1500Z-261020T1300Z/ /O.NEW.KCHS.GL.W.0014.261017T1600Z-261020T0600Z/ Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM- Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM- 228 PM EDT Fri Oct 16 2026 ...GALE WARNING IN EFFECT FROM NOON SATURDAY TO 2 AM EDT TUESDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 ft expected. * WHERE...Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM and Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM. * WHEN...From noon Saturday to 2 AM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ AMZ340-170230- /O.EXB.KCHS.SC.Y.0054.261017T1000Z-261019T1800Z/ Charleston Harbor- 228 PM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 2 PM EDT MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Charleston Harbor. * WHEN...From 6 AM Saturday to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$