418 FZUS72 KJAX 281050 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 550 AM EST Sat Feb 28 2026 AMZ450-452-454-281300- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 550 AM EST Sat Feb 28 2026 ...PATCHY TO AREAS FOG ACROSS NEARSHORE WATERS THROUGH 8 AM... Moist air and light winds will produce areas of fog and low stratus across the nearshore coastal waters and inland waterways. These conditions will allow for patches of dense fog with visibility of less than 1 NM at times. Marine interests should exercise caution tonight due to dense fog. Visibilities will be restricted to less than 1 nm at times. Navigation may be hazardous in restricted waterways and channels. $$