Fernandina Beach to St. Augustine, FL 20 - 60 NM Marine Forecast
| Rest Of Today...Southwest Winds 10 To 15 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet. Wave Detail: Southwest 3 Feet At 4 Seconds And East 2 Feet At 9 Seconds. Intracoastal Waters A Moderate Chop. |
| Tonight...Southwest Winds 15 To 20 Knots, Becoming North 20 To 25 Knots With Gusts Up To 35 Knots After Midnight. Seas 3 To 5 Feet, Occasionally To 6 Feet. Wave Detail: East 4 Feet At 9 Seconds And Southwest 3 Feet At 4 Seconds. Intracoastal Waters Rough. A Slight Chance Of Showers In The Evening, Then A Chance Of Showers With A Slight Chance Of Thunderstorms After Midnight. |
| Tuesday...Northeast Winds 25 To 30 Knots. Seas 5 To 7 Feet, Occasionally To 9 Feet, Building To 8 To 11 Feet, Occasionally To 14 Feet In The Afternoon. Wave Detail: Northeast 7 Feet At 6 Seconds, Becoming Northeast 11 Feet At 8 Seconds. Intracoastal Waters Very Rough. A Chance Of Showers. A Slight Chance Of Thunderstorms In The Morning, Then A Chance Of Thunderstorms In The Afternoon. |
| Tuesday Night...Northeast Winds 20 To 25 Knots, Diminishing To 15 To 20 Knots After Midnight. Seas 8 To 11 Feet, Occasionally To 14 Feet. Wave Detail: Northeast 11 Feet At 9 Seconds. Intracoastal Waters Rough. Showers Likely. A Slight Chance Of Thunderstorms In The Evening, Then A Chance Of Thunderstorms After Midnight. |
| Wednesday...Northeast Winds 15 To 20 Knots. Seas 6 To 9 Feet, Occasionally To 11 Feet, Subsiding To 5 To 7 Feet, Occasionally To 9 Feet In The Afternoon. Wave Detail: East 8 Feet At 9 Seconds, Becoming East 7 Feet At 8 Seconds. Intracoastal Waters Choppy. A Chance Of Showers. |
| Wednesday Night...Northeast Winds 10 To 15 Knots, Diminishing To 5 To 10 Knots After Midnight. Seas 4 To 6 Feet, Occasionally To 8 Feet. Wave Detail: East 6 Feet At 8 Seconds. Intracoastal Waters A Moderate Chop. A Slight Chance Of Showers. |
| Thursday...Southwest Winds 15 To 20 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet. Intracoastal Waters Choppy. Winds And Waves Higher In And Near Thunderstorms. |
| Friday...Southwest Winds 15 To 20 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet. Intracoastal Waters Choppy. Winds And Waves Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Jacksonville FL 102pm EDT Monday Mar 23 2026 .KEY MESSAGES... For the latest NE FL and SE GA Daily Key Messages please visit: https:/www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf - Elevated Fire Danger Today - Isolated Thunderstorm Chances Tonight through Wednesday - Marine Hazards Starting Late Tonight through Wednesday. High Risk of Rip Currents and High Surf Advisory for NE FL and SE G Beaches Tuesday- Wednesday. Gale Warning for near and offshore SE GA Waters. Small Craft Advisory for near and offshore NE FL Waters Near Term - Through Tonight Main Highligheights through Tonight: - Near Record High Temperatures this afternoon - A Few Thunderstorms Possible Tonight, manly along the Atlantic Coast - Windy conditions develop late tonight along the Atlantic Coast This afternoon: Forecast remains on track in warm and gusty Westerly flow and near record Max Temps. Westerly winds will continue at 10- 20 mph with peak gusts in the 25-30 mph range. Highs expected into the mid-upper 80s all the way to the Atlantic beaches in the offshore flow. Mostly sunny skies will continue through sunset. Tonight: Strong cold front will push from north to south through the local area late tonight, with a shift in winds to the Northeast and increasing towards morning to breezy levels at 15-20G25 mph over land areas and into the 20-30G35-45 mph along the Atlantic Coastal areas by sunrise Sunday morning and a Wind Advisory may need to be posted from JAX northward to Brunswick, GA. Prior to the cold frontal passage expect a slow increase in clouds this evening along with West to Northwest winds at 5-10 mph, these winds may be light enough and late arrival of the frontal boundary to support some patchy/light fog formation across inland NE FL south of a line from GNV-Palm Coast, but not expecting as much fog as the past couple of mornings. Low temps only falling to around 60F tonight in most locations, except for some middle 50s across inland SE GA where the frontal boundary arrives closer to the midnight time frame. Short Term - Tuesday Through Wednesday Night Main Highligheights This Period: - Isolated thunderstorms Tuesday and Wednesday - Gusty near the coast Tuesday As low pressure moves southward near the eastern Florida coast, showers will develop areawide Tuesday and Wednesday, with isolated storms generally near the Florida coast and north central Florida Tuesday. Shower coverage will spread into southeast Georgia Tuesday night through Wednesday, with isolated storm chances again being near north central Florida in the afternoon/evening. Gusty northeasterly winds and cloudy skies will keep temperatures cool near the coast and southeast Georgia, in the 60s to 70s. Wind gusts near the Atlantic coast, especially Jacksonville northward, will approach 40 mph on Tuesday. There will likely be some patchy fog development Wednesday night over southeast Georgia. Long Term - Thursday Through Monday Main Highligheights This Period: - Very warm inland highs Friday - Strong onshore breeze this weekend High pressure overhead Wednesday will allow for clear skies and an onshore breeze, keeping coastal highs in the low to mid 70s while inland locations reach the lower to mid 80s. Further warming is expected on Friday as winds become more calm and variable, inland highs will approach the upper 80s to near 90 degrees. By Friday, a weak front will approach, bringing coastal showers over northeast Florida Saturday and Sunday as strong northeasterly winds develop. Following the frontal passage, it will be cooler for southeast Georgia Saturday, and areawide on Sunday. Marine A cold front will move south across the area tonight. This front will bring embedded thunderstorms mainly tonight into Tuesday. A surge of northeast winds will develop in the wake of the front with Gale conditions developing over the Georgia waters and Florida Waters southward to Jacksonville and Small Craft Advisory criteria expected elsewhere. Moderate to strong east to northeast winds and rough seas are expected to continue from Tuesday through Wednesday night. High pressure ridge will be over the area on Thursday and Friday before another cold front moves into the area Friday night. Rip Currents Low to moderate risk today, increases to high risk Tuesday through Wednesday. Surf builds from 2-3 ft today, to around 5-7 ft Tuesday afternoon and possibly up to 6-8 ft Tuesday Night into Wednesday. Will post High Surf Advisory from Tuesday afternoon through Wednesday morning with the afternoon package. Fire Weather - Patchy High Dispersion Wednesday - High Nighttime Dispersion Tuesday Night Relative humidity values will improve Tuesday and Wednesday ahead of an incoming front, overall rainfall totals are unimpressive, but isolated thunderstorms are possible both days mainly near the Florida coast and north central Florida. Breezy onshore winds continue through Thursday, with patchy high dispersion on Wednesday and high nighttime dispersion Tuesday night nearly areawide. MinRH will dip into the 30s Thursday and Friday following the frontal passage, but expected to be above critical values at this time. FOG POTENTIAL AND OTHER REMARKS: Patchy fog over north central Florida Tuesday morning. Extreme to exceptional drought conditions continue and likely worsen due to lack rain and above normal warmth. Climate Record High Temperatures for Today: March 23: KJAX: 91/1935 KAMG: 86/2012 KCRG: 87/2012 GNV record high out of reach at 95 deg. NOAA Jacksonville FL Office: Watches - Warnings - Advisories FL...High Risk for Rip Currents from late tonight through late Wednesday night for FLZ124-125-138-233-333. Wind Advisory from 5am to 8pm EDT Tuesday for FLZ124-125. High Surf Advisory from 2pm Tuesday to 2pm EDT Wednesday for FLZ124-125-138-233-333. GA...High Risk for Rip Currents from late tonight through late Wednesday night for GAZ154-166. Wind Advisory from 5am to 8pm EDT Tuesday for GAZ154-166. High Surf Advisory from 2pm Tuesday to 2pm EDT Wednesday for GAZ154-166. Marine Gale Warning from 2am Tuesday to 4pm EDT Wednesday for AMZ450-452-470-472. Small Craft Advisory from 4am Tuesday to 8pm EDT Wednesday for AMZ454-474. |
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