Fernandina Beach to St. Augustine, FL Out 20 NM Marine Forecast
| Today...South Winds 5 To 10 Knots. Seas 3 To 4 Feet With A Dominant Period 8 Seconds. Intracoastal Waters Light Chop. A Slight Chance Of Showers And Thunderstorms. Patchy Fog. |
| Tonight...South Winds 10 To 15 Knots. Seas 3 To 4 Feet With A Dominant Period 8 Seconds. Intracoastal Waters A Moderate Chop. A Slight Chance Of Thunderstorms. A Chance Of Showers, Mainly In The Evening. Patchy Fog. |
| Sunday...Southwest Winds 10 To 15 Knots. Seas 3 To 4 Feet With A Dominant Period 8 Seconds. Intracoastal Waters A Moderate Chop. Patchy Fog In The Morning. A Chance Of Showers With A Slight Chance Of Thunderstorms. |
| Sunday Night...West Winds 5 To 10 Knots. Seas 3 To 4 Feet With A Dominant Period 8 Seconds. Intracoastal Waters Light Chop. A Slight Chance Of Showers And Thunderstorms. |
| Monday...West Winds 10 To 15 Knots. Seas 3 To 4 Feet With A Dominant Period 7 Seconds. Intracoastal Waters A Moderate Chop. |
| Monday Night...Northwest Winds 15 To 20 Knots, Diminishing To 10 To 15 Knots After Midnight. Seas 3 To 4 Feet With A Dominant Period 7 Seconds. Intracoastal Waters Choppy. |
| Tuesday...Northwest Winds 5 To 10 Knots. Seas 2 To 3 Feet. |
| Tuesday Night...Northwest Winds 10 To 15 Knots. Seas 2 To 4 Feet. |
| Wednesday...Northwest Winds 15 To 20 Knots. Seas 3 To 5 Feet. |
| Wednesday Night...North Winds 15 To 20 Knots, Diminishing To 10 To 15 Knots After Midnight. Seas 3 To 5 Feet. Winds And Waves Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Jacksonville FL 1219pm EST Sat Dec 2 2023 .SHORT TERM... (Sunday through Monday night) Issued at 345am EST Sat Dec 2 2023 Showers and possible thunderstorms will continue to develop through the forecast area on Sunday with weather conditions clearing in the evening and overnight hours as high pressure conditions build in following the frontal passage. Last remaining traces of precipitation will clear out on Monday with dry weather and westerly flow holding into the beginning of the week. Temperatures will cool after the weekend with high temps on Monday reaching up into the lower 70s and upper 60s and then dropping down into the 40s overnight as colder air settles into the region. Long Term (Tuesday through Friday) Issued at 345am EST Sat Dec 2 2023 High pressure conditions will dominate the weather pattern for next week with dry weather expected through the end of the week. A dry cold front will press down into the forecast area from out of the north by midweek, bringing clearing skies and breezy northwesterly winds. Cooling trend will continue through next week with temperatures dropping to be well below the seasonal average by the later part of the week. Marine Issued at 345am EST Sat Dec 2 2023 Southerly flow will remain in effect this weekend before the frontal passage, which looks to be late Sunday night. Patchy to areas of sea fog are possible at times through Sunday morning . Otherwise, winds and seas will be below advisory criteria in the meantime. Winds will increase late Monday and Monday night, and could be near advisory levels. Another dry cold frontal passage expected mid week. Rip Currents Moderate risk today due to the seas of 3+ feet which yields breakers of at least 2-3 ft. Fairly similar conditions expected on Sunday. Hydrology Issued at 345am EST Sat Dec 2 2023 Total rainfall amounts likely to be around the 0.25 to 1 inch range ahead of the cold frontal passage through Sunday, highest amounts over southeast GA and Suwannee Valley area. NBM model (using near worst case for higher precip) depicts up to near 3 inches over the far western zones from just north Live Oak FL to Alma GA. NOAA Jacksonville FL Office: Watches - Warnings - Advisories FL...None. GA...None. AM...None. |
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