Fernandina Beach to St. Augustine, FL 20 - 60 NM Marine Forecast
| Rest Of Today...South Winds Around 15 Knots, Becoming Southeast And Increasing To 15 To 20 Knots Late In The Afternoon. Seas 3 To 4 Feet, Occasionally To 5 Feet. Wave Detail: Southeast 4 Feet At 7 Seconds. |
| Tonight...South Southeast Winds 15 To 20 Knots, Becoming South 10 To 15 Knots After Midnight. Seas 3 To 4 Feet, Occasionally To 5 Feet. Wave Detail: South 3 Feet At 5 Seconds And Southeast 3 Feet At 8 Seconds. A Slight Chance Of Showers And Thunderstorms After Midnight. |
| Thursday...South Winds 5 To 10 Knots, Becoming Southeast Around 10 Knots In The Afternoon. Seas 2 To 3 Feet. Wave Detail: Southeast 3 Feet At 8 Seconds And Southeast 2 Feet At 5 Seconds. |
| Thursday Night...Southeast Winds 5 To 10 Knots, Becoming South Around 5 Knots After Midnight. Seas 2 To 3 Feet. Wave Detail: Southeast 2 Feet At 8 Seconds. |
| Friday...Southwest Winds Around 5 Knots, Becoming East 5 To 10 Knots During The Afternoon. Seas 2 To 3 Feet. Wave Detail: Southeast 3 Feet At 8 Seconds. |
| Friday Night...Southeast Winds 5 To 10 Knots, Becoming Southwest After Midnight. Seas Around 3 Feet. Wave Detail: East 3 Feet At 8 Seconds. |
| Saturday...Southwest Winds Around 5 Knots, Becoming South Southeast Around 10 Knots During The Afternoon. Seas 2 To 3 Feet. A Slight Chance Of Showers And Thunderstorms Late In The Afternoon. |
| Saturday Night...South Winds 10 To 15 Knots, Becoming West Southwest After Midnight. Seas 2 To 3 Feet. A Chance Of Showers And Thunderstorms. |
| Sunday...West Winds 10 To 15 Knots, Becoming South Around 10 Knots Late In The Afternoon. Seas 2 To 3 Feet. A Chance Of Showers And Thunderstorms. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Jacksonville FL 756am EDT Wednesday July 22 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 - Seasonably Hot Conditions Continue through Friday. Afternoon Peak Heat Index Values of 100-107. Possible Heat Advisory Conditions this Weekend and Early Next Week. - Moderate Rip Current Risk Continues through Thursday at Area Beaches. - Isolated Late Afternoon and Evening Thunderstorms through Friday. - Scattered Afternoon and Evening Thunderstorms this Weekend and Next Week. Few Strong Storms Possible Each Afternoon, Mainly Along the I-95 Corridor. Marine Southerly breezes will continue at Exercise Caution levels through the afternoon before easing overnight tonight as consolidated and stacked high pressure builds over the region. With light flow in place Thursday and Friday, the wind regime will be driven by the sea breeze development. A weak cold front will approach from the north this weekend and turn winds offshore with afternoon sea breeze development likely for the nearshore waters. Offshore flow and the nearby front will encourage scattered afternoon thunderstorm chances. Rip Currents Longshore currents will persist through this afternoon but surf will diminish to around 2-3 feet today. As sea breeze develops, Rip Current Risk will increase to a Moderate Level this afternoon. Surf heigheights continue to lower another foot by Thursday, leading to low- end Moderate risk of rip current with the afternoon sea breeze. Fire Weather - High Daytime Dispersion Values Inland Today. Tropical Storm Bertha will exit away from the region today across the northern Gulf waters with breezy southerly winds 10-15 mph gusting 20-25 mph. Atlantic seabreeze will move onshore and press to US-17 through the mid afternoon as the Gulf seabreeze progresses to highway 301 late this afternoon. Winds will shift southeasterly behind the Atlantic seabreeze and southwesterly behind the Gulf seabreeze. Dry conditions will prevail with only exception over the Ocala National Forest where widely scattered thunderstorms will develop along merging Gulf/Atlantic seabreezes. Dry air may enhance a few downdrafts with any storms leading to gusty and erratic winds. A frontal boundary will approach on Thursday with widely scattered thunderstorms in the afternoon hours and again Friday afternoon. Increasing thunderstorm chances expected this weekend as the front sinks slowly into the area. Breezy surface and transport winds today along with high mixing heigheights will create areas of high dispersions inland across the area each day. Fog Potential and Other Remarks: Significant fog development is not expected for the next several nights. NOAA Jacksonville FL Office: Watches - Warnings - Advisories FL...None. GA...None. Marine None. |
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