Altamaha Sound, GA to Fernandina Beach, FL 20 - 60 NM Marine Forecast
| Rest Of Tonight...Southwest Winds 15 To 20 Knots, Becoming Northwest 20 To 25 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet, Building To 4 To 6 Feet, Occasionally To 8 Feet. Wave Detail: Southwest 4 Feet At 4 Seconds And Southeast 2 Feet At 8 Seconds, Becoming Northwest 6 Feet At 5 Seconds And Southeast 2 Feet At 8 Seconds. A Slight Chance Of Showers And Thunderstorms This Evening. |
| Monday...Northwest Winds 20 To 25 Knots, Increasing To 25 To 30 Knots In The Afternoon. Seas 5 To 7 Feet, Occasionally To 9 Feet. Wave Detail: Northwest 6 Feet At 6 Seconds And Southeast 2 Feet At 8 Seconds. |
| Monday Night...Northwest Winds 25 To 30 Knots With Gusts Up To 40 Knots. Seas 6 To 9 Feet, Occasionally To 11 Feet. Wave Detail: Northwest 9 Feet At 6 Seconds. |
| Tuesday...Northwest Winds 20 To 25 Knots With Gusts Up To 35 Knots, Diminishing To 15 To 20 Knots In The Afternoon. Seas 5 To 8 Feet, Occasionally To 10 Feet, Subsiding To 4 To 6 Feet, Occasionally To 8 Feet In The Afternoon. Wave Detail: Northwest 8 Feet At 6 Seconds, Becoming Northwest 5 Feet At 6 Seconds. |
| Tuesday Night...West Winds 15 To 20 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet. Wave Detail: Northwest 3 Feet At 5 Seconds. |
| Wednesday...West Winds 15 To 20 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet. Wave Detail: Northwest 3 Feet At 5 Seconds. |
| Thursday...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. Wave Detail: West 3 Feet At 4 Seconds And Southeast 2 Feet At 9 Seconds. Winds And Seas Higher In And Near Thunderstorms. |
| Friday...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. Wave Detail: West 3 Feet At 4 Seconds And Southeast 2 Feet At 9 Seconds. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Jacksonville FL 657pm EST Sunday Nov 9 2025 Near Term (Through Tonight) Issued at 1203pm EST Sunday Nov 9 2025 Bands of showers with embedded thunderstorms will move through the forecast area today ahead of a strong cold front pressing in from out of the northwest. highest chances for storms will occur over southeast Georgia this afternoon and evening with a potential for some storms to become severe. Winds will shift to be from out of the northwest overnight following the frontal passage and strengthen before Monday morning. High temperatures today will rise into the lower to mid 80s this afternoon with overnight low temperatures dropping down into the lower 40s over southeast Georgia and in the upper 40s and lower 50s for northeast Florida as cold air behind the front settles in over the region. .SHORT TERM... (Monday through Tuesday night) Issued at 1203pm EST Sunday Nov 9 2025 Monday...Coldest and driest airmass of the fall season arrives behind departing strong cold frontal boundary. Skies become sunny but strong cold air advection on brisk Northwest winds at 15-25G30-35 mph will hold Max temps in the 50s for most locations. Monday Night...High pressure will build west of the region and the tight pressure gradient will keep breezy NW winds during the evening hours, which will relax to 5-10 mph over inland areas after midnight, but remain elevated near the Atlantic Coast. Despite the above normal overnight wind conditions, still expect a Freeze across all of SE GA with lows in the middle/upper 20s, and Freeze expected across all of NE FL to the North and West of the St. Johns River Basin with lows in the upper 20s/lower 30s and will post a Freeze Watch with this package. Lower confidence in Freezing conditions to the south of JAX and East of the St. Johns River with lows in the lower/middle 30s, so will hold off on Freeze Watch there for now. The elevated NW winds will push Wind Chill values to around 20F by late Monday Night and expect the need to issue a Cold Weather Advisory for most areas, but confidence not high enough for the issuance of this product. Tuesday...High pressure builds into the region from the West and while NW winds will not be as strong as Monday, still expect well below Max Temps only in the lower 50s for SE GA and middle 50s for NE FL, despite the Sunny skies in place. These Max Temps will be close to setting record low Max values listed in the climate section below. Tuesday Night...High pressure builds directly overhead which will result in near calm winds setting up after sunset and temps will crash quickly through the evening hours and expect another Freeze under clear skies with lows in the upper 20s/near 30 over inland areas with Widespread Frost, with lows in the 30s along the Atlantic Coast and patchy/areas of Frost. Long Term (Wednesday through next Sunday) Issued at 1203pm EST Sunday Nov 9 2025 Wednesday...Following a cold/frosty start around sunrise with high pressure directly overhead, temps will rebound under sunny skies and light W-SW winds into the mid/upper 60s. Another chilly night still on track for Wednesday Night with high pressure overhead, but likely to remain above freezing over inland areas in the 30s, with patchy/areas of frost expected again. Thursday/Friday...A weak and mainly dry frontal boundary slides southward through the region, but rainfall not expected from this feature and temps will return closer to normal values with highs into the lower/middle 70s under mostly sunny skies and low temps in the 40s. Saturday/Sunday...High pressure behind the frontal boundary shifts offshore into the Western Atlantic and confidence remains moderate to high in temps returning to above normal levels with high temps into the upper 70s to around 80F under mostly sunny skies. Long range models still differing for late in the weekend with the latest GFS (Global Forecast System) run trying to push a fast moving frontal system into the local area by Sunday afternoon with showers/isolated storm threat, but not buying into this solution just yet. Marine Issued at 1203pm EST Sunday Nov 9 2025 Southerly winds will gradually strengthen this afternoon ahead of a strong cold front that will be entering the southeastern U.S. Showers and a few strong thunderstorms will be possible ahead of this front during the late afternoon and evening hours with southwesterly winds. This strong front will then cross our local waters during the overnight hours tonight, with Small Craft Advisory conditions overspreading our local waters as winds shift to northwesterly while strengthening after midnight. Strong high pressure building into the southeastern states on Monday will result in Gale Force wind gusts on Monday night with Gale Warnings for local and offshore local waters. High pressure will shift eastward and will become centered directly over our local waters by midweek, allowing for winds and seas to gradually diminish. Rip Currents Low risk for southeast Georgia beaches and moderate risk for northeast Florida beaches today, becoming moderate for all area beaches Fire Weather Issued at 1203pm EST Sunday Nov 9 2025 A cold front moving into the area from the northwest will produce scattered showers and isolated storms this afternoon with a thin line of showers moving eastward along the front after sunset as it moves through. High pressure will build in from the northwest on Monday with an unseasonably cold and dry airmass arriving into the first half of the week. Northwest winds 10-15 mph gusting 30-35 mph and falling dewpoints into the 20s and 30s will push MinRH values into the upper 20s and low 30s leading to elevated fire weather danger conditions Monday. High Pressure will shift over the region Tuesday and Wednesday with very dry conditions continuing as MinRH values plummet into the low to mid 20s each afternoon. Moisture will slowly recover by the end of the week as high pressure weakens south of the area. High daytime dispersions are expected this afternoon as surface and transport winds increase from the west, then shift northwesterly Monday as the front sweeps away from the area with gusty winds up to 30-35 and sunny skies bringing high daytime dispersions across the area. Climate Issued at 323am EST Sunday Nov 9 2025 Record High Temperatures Today: KJAX: 88/1986 KCRG: 85/2018 KGNV: 88/1986 KAMG: 87/1986 Record low maximum temperatures for Tuesday Nov 11th KJAX: 53/1917 KCRG: 59/1996 KGNV: 55/1953 KAMG: 53/1968 Record low temperatures on Tuesday and Wednesday: November 11: KJAX: 35/1977 KCRG: 37/1991 KGNV: 31/1943 KAMG: 27/1943 November 12: KJAX: 31/2011 KCRG: 35/2011 KGNV: 30/2011 KAMG: 27/2011 NOAA Jacksonville FL Office: Watches - Warnings - Advisories FL...Freeze Watch from late Monday night through Tuesday morning for FLZ021-023-024-030-031-035-120-124-136-220-225-232-236-237- 240-322-340-422-425-522. GA...Freeze Watch from late Monday night through Tuesday morning for GAZ132>136-149-151>154-162-163-165-166-250-264-350-364. AM...Small Craft Advisory from midnight tonight to 4pm EST Monday for AMZ450-452-454. Small Craft Advisory from 4am to 10am EST Tuesday for AMZ450. Gale Watch from Monday afternoon through late Monday night for AMZ450-452-454-470-472-474. Small Craft Advisory from 4am to 1pm EST Tuesday for AMZ452- 454. Small Craft Advisory from 11pm this evening to 4pm EST Monday for AMZ470-472-474. Small Craft Advisory from 4am to noon EST Tuesday for AMZ470. Small Craft Advisory from 4am to 5pm EST Tuesday for AMZ472- 474. |
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