St. Augustine to Flagler Beach, FL 20 - 60 NM Marine Forecast
| Rest Of Today...Northeast Winds 20 To 25 Knots With Gusts Up To 35 Knots. Seas 9 To 10 Feet, Occasionally To 13 Feet. Wave Detail: Northeast 10 Feet At 11 Seconds. A Chance Of Showers With A Slight Chance Of Thunderstorms. |
| Tonight...East Winds 20 To 25 Knots With Gusts Up To 35 Knots. Seas 9 To 11 Feet, Occasionally To 14 Feet. Wave Detail: Northeast 10 Feet At 11 Seconds And Northeast 5 Feet At 7 Seconds. Showers Likely With A Chance Of Thunderstorms In The Evening, Then A Chance Of Showers With A Slight Chance Of Thunderstorms After Midnight. |
| Friday...East Winds 20 To 25 Knots With Gusts Up To 35 Knots. Seas 10 To 11 Feet, Occasionally To 14 Feet. Wave Detail: East 11 Feet At 11 Seconds And East 5 Feet At 7 Seconds. A Chance Of Showers. A Slight Chance Of Thunderstorms In The Morning, Then A Chance Of Thunderstorms In The Afternoon. |
| Friday Night...East Winds 20 To 25 Knots With Gusts Up To 35 Knots. Seas 9 To 11 Feet, Occasionally To 14 Feet. Wave Detail: East 11 Feet At 12 Seconds And East 10 Feet At 8 Seconds. A Chance Of Showers And Thunderstorms. |
| Saturday And Saturday Night...East Winds 25 To 30 Knots With Gusts Up To 40 Knots. Seas 9 To 12 Feet, Occasionally To 15 Feet. Wave Detail: East 11 Feet At 10 Seconds And Southeast 10 Feet At 8 Seconds. Showers Likely With A Chance Of Thunderstorms. |
| Sunday...East Winds 25 To 30 Knots. Seas 8 To 11 Feet, Occasionally To 14 Feet. Wave Detail: Southeast 10 Feet At 8 Seconds And Northeast 7 Feet At 10 Seconds. Showers Likely With A Chance Of Thunderstorms. Winds And Seas Higher In And Near Thunderstorms. |
| Monday...East Winds 25 To 30 Knots. Seas 8 To 11 Feet, Occasionally To 14 Feet. Wave Detail: Southeast 10 Feet At 8 Seconds And Northeast 7 Feet At 10 Seconds. Showers Likely With A Chance Of Thunderstorms. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Jacksonville FL 151pm EDT Thu Oct 2 2025 Near Term (Through Tonight) Issued at 1233pm EDT Thu Oct 2 2025 Local Nor'easter conditions will continue to ramp up through tonight as the coastal trough over the Atlantic waters sharpens up and lifts northward. This will re-focus the shower and embedded storm activity that is currently just across Flagler county and expand it across the entire NE FL/SE GA coastline and I-95 corridor through tonight with windy conditions at the beachfront locations along with the risk of heavy rainfall at times. Rainfall amounts not excessive enough for a Flood Watch at this time, but may need to be posted sometime on Friday or the weekend as better guidance on where the convergent rain bands will set up. Sustained NE winds of 20-25 mph with gusts of 30-40 mph will continue for the Atlantic Coastal counties through tonight, just below Wind Advisory criteria, while lesser breezy type NE winds of 15-20G25 mph winds over inland areas this afternoon will fade to 10-15G20 mph over inland areas through tonight. Overnight lows will remain fairly close to normal values in the middle 60s inland SE GA, upper 60s inland NE FL and lower/middle 70s for Atlantic Coastal areas. .SHORT TERM... (Friday through Saturday night) Issued at 1233pm EDT Thu Oct 2 2025 Increasing chances for showers and storms going into the weekend as moist onshore flow from out of the Atlantic builds south of high pressure to the north and burgeoning low pressure to the south, resulting in conditions somewhat similar to a nor'easter pattern with gusty northeasterly-easterly winds and a potential for excessive rainfall capable of producing local flooding conditions as PWAT (Precipitable Water) values rise to be in excess of 2.2 inches. Wind speeds during this period are anticipated to rise to be about 15-25 mph with gusts of 35 mph. High temperatures for the end of the week and into the weekend will rise into the lower to mid 80s with overnight low temperatures dropping down into the upper 60s and lower 70s. Long Term (Sunday through next Thursday) Issued at 1233pm EDT Thu Oct 2 2025 Showers and storms will become more widespread through the weekend and into the beginning of next week with area-wide convection building as the developing low pressure system moves across the Florida peninsula and starts moving towards the northwest, resulting in a more southerly prevailing flow over the forecast area leading to a weaker onshore surface winds as the week progresses with a corresponding reduction in convective developments as drier air starts to advect into the region by Wednesday. Temperatures will experience a slight warming trend through the coming week with daytime high temperatures rising to be near and slightly above the seasonal average by midweek. Marine Issued at 1233pm EDT Thu Oct 2 2025 Small Craft Advisory conditions with strong northeasterly winds and elevated seas will persist across the coastal waters through the upcoming weekend and into next week, along with occasional wind gusts to Gale Force. Coastal troughing will sharpen over our local waters late this week, generating increasing chances for showers and embedded thunderstorms. Winds will shift to easterly by Friday and the weekend as high pressure shifts offshore of the Carolinas. Rip Currents High risk of rip currents and high surf advisory conditions, along with moderate to severe beach erosion will continue at Atlantic beachfront locations through late this week and through the upcoming weekend. Surf/breakers into the 7-10 ft range will continue late this week through the upcoming weekend. Moderate to severe beach erosion is expected at Atlantic beachfront locations during times of high tide through the upcoming weekend as high surf advisories remain in place. Hydrology Issued at 1233pm EDT Thu Oct 2 2025 Minor to locally Moderate tidal flooding will continue along the St. Johns River from downtown JAX southward and along the NE FL Atlantic inter-coastal areas of St. Johns/Flagler counties early this afternoon, then will expand to the rest of the St. Johns River and Atlantic Coastal areas from JAX northward through Brunswick with the next high tide cycle this afternoon and evening and have expanded the current Coastal Flood Advisory as peak water levels remain generally in the 1.5 to 2.0 ft above MHHW range. The continued NE surge of winds through the upcoming weekend will continue to trap more water in the St. Johns River Basin and combine with higher astronomical tides due to the full Moon by the Friday afternoon and evening high tide cycle and expect water levels to peak in the 2 to 2.5 ft range above MHHW in the St Johns River Basin, and along the ICWW of the NE FL coast and have pushed the Coastal Flood Watch to start in these locations for more widespread Moderate coastal/tidal flooding, which will continue through the entire weekend, while mainly Minor Coastal Flooding will continue from Nassau County northward along the SE GA coastline during times of high tide. NOAA Jacksonville FL Office: Watches - Warnings - Advisories FL...High Rip Current Risk through late Saturday night for FLZ124-125- 138-233-333. High Surf Advisory until 5am EDT Sunday for FLZ124-125-138-233- 333. Coastal Flood Advisory until 8pm EDT Sunday for FLZ124. Coastal Flood Advisory until 5pm EDT Friday for FLZ125-225. Coastal Flood Watch from Friday afternoon through Sunday evening for FLZ125-132-137-138-225-233-325-333-633. Coastal Flood Advisory until 5pm EDT Friday for FLZ132-137-138- 233-325-333-633. GA...High Rip Current Risk through late Saturday night for GAZ154-166. High Surf Advisory until 5am EDT Sunday for GAZ154-166. Coastal Flood Advisory until 8pm EDT Sunday for GAZ154-166. AM...Small Craft Advisory until 5am EDT Sunday for AMZ450-452-454- 470-472-474. |
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