Flagler Beach to Volusia-Brevard County Line Marine Forecast
| Tonight...Northwest Winds 5 To 10 Knots. Seas 2 To 3 Feet. Wave Detail: North 3 Feet At 5 Seconds And Northeast 2 Feet At 9 Seconds. Mostly Smooth On The Intracoastal Waters. |
| Friday...Northwest Winds Around 5 Knots, Becoming South In The Afternoon. Seas 2 Feet. Wave Detail: Northeast 2 Feet At 8 Seconds And North 1 Foot At 4 Seconds. Smooth On The Intracoastal Waters. |
| Friday Night...South Winds Around 5 Knots, Becoming West After Midnight. Seas 1 To 2 Feet. Wave Detail: Northeast 2 Feet At 7 Seconds. Smooth On The Intracoastal Waters. |
| Saturday...Northwest Winds Around 5 Knots, Becoming Northeast In The Afternoon. Seas 1 To 2 Feet. Wave Detail: Northeast 1 Foot At 9 Seconds. Smooth On The Intracoastal Waters. |
| Saturday Night...East Winds Around 5 Knots, Becoming Southwest After Midnight. Seas 1 To 2 Feet. Wave Detail: Southeast 1 Foot At 3 Seconds And Northeast 1 Foot At 8 Seconds. Smooth On The Intracoastal Waters. |
| Sunday...Northwest Winds 5 To 10 Knots, Increasing To 15 To 20 Knots In The Afternoon. Seas 2 To 3 Feet. Wave Detail: North 3 Feet At 4 Seconds And East 1 Foot At 9 Seconds. Choppy On The Intracoastal Waters. |
| Sunday Night...North Winds 20 To 25 Knots. Seas 4 To 6 Feet, Occasionally To 8 Feet, Building To 7 To 8 Feet, Occasionally To 10 Feet After Midnight. Rough On The Intracoastal Waters. |
| Monday...Northeast Winds 20 To 25 Knots, Diminishing To 15 To 20 Knots In The Afternoon. Seas 8 To 9 Feet, Occasionally To 11 Feet, Subsiding To 6 To 7 Feet, Occasionally To 9 Feet In The Afternoon. Rough On The Intracoastal Waters. |
| Monday Night...Northeast Winds 15 To 20 Knots, Diminishing To Around 10 Knots After Midnight. Seas 5 To 6 Feet, Occasionally To 8 Feet. Choppy On The Intracoastal Waters. |
| Tuesday...Northeast Winds 10 To 15 Knots. Seas 4 To 5 Feet, Occasionally To 6 Feet. A Moderate Chop On The Intracoastal Waters. |
| Tuesday Night...East Winds 5 To 10 Knots. Seas 3 To 4 Feet. Mostly Smooth On The Intracoastal Waters. |
| Area Forecast Discussion National Weather Service Melbourne FL 254pm EST Thu Dec 11 2025 ...New KEY MESSAGES,ARINE... .KEY MESSAGES... Issued at 252pm EST Thu Dec 11 2025 -Mostly dry conditions continue through Saturday, with rain and lightning storm chances returning Sunday across the Treasure Coast. -Seasonable to below normal temperatures forecast through mid next week, with the coldest overnight temperatures occurring tonight with lows dropping into the 40s across most areas. -Poor to hazardous boating conditions continue today with conditions improving tonight into Friday. Poor to hazardous seas redvelop Sunday into Monday. Issued at 252pm EST Thu Dec 11 2025 Rest of Today-Saturday... Upper level high pressure across the Great Lakes area Today will gradually shift eastward and deepen, reaching Maine and New Brunswick on Friday and Saturday. At the surface, a low pressure system near Maine today will lift north and eastward into late week. This will drag an attached dry cold front that is across the eastern US across east central Florida through the day. The front is forecast to reach South Florida by late this afternoon/early evening. Surface high pressure will then build across the Florida peninsula behind the front on Friday and into early weekend. Locally, dry conditions will prevail, with no mentionable rain chances through the period. Drier air will filter across the area behind the front, with forecast PW values (Precipitable Water values) going from around 0.8" to around 0.5" behind the front and continuing through Saturday. North to northwest winds around 5-10 mph today will become light and variable on Friday before becoming northeast to east on Saturday and increasing to 5-10 mph once again. The frontal passage will bring cooler air across the area before a gradual warming trend takes place, with temps remaining seasonable to below normal for this time of year. Afternoon highs will range from mid to upper 60s across the north and upper 60s to low 70s across the south today, before a gradual warming trends starts with highs in the low to mid 70s across the area on Friday, and mid to upper 70s on Saturday. Overnight lows will drop into the low to mid 40s west of I-95, and mid to upper 40s to low 50s across the coast on tonight before warming generally to upper 40s to low 50s on Friday night, and generally 50s to low 60s on Saturday night. Sunday-Wednesday... Another upper level low develops over the Great Lakes region on Sunday before deepening and moving eastward towards Maine through Tuesday. At the surface, a cold front associated with the upper level low, will push across east central Florida late Sunday into early Monday. High pressure will then build across the Florida peninsula behind the front. Locally, low level moisture will increase slightly into early next week, with forecast PW values (Precipitable Water values) rising to 0.8-1.1" before drier air begins to filter across the area Tuesday, dropping PW values (Precipitable Water values) to 0.5-0.7". Rain chances return to the forecast on Sunday ahead of the front as moisture increases across the area. There is a low (20-30 percent) chance of showers across the Treasure Coast on Sunday, with a low (20 percent) chance of lightning storms. Conditions become mostly dry on Monday through Wednesday, with no mentionable rain chances across land areas. However, isolated showers will remain possible across the Gulf Stream waters during that time. Northeast winds 5-10 mph on Sunday will increase to 8-12 mph with gusts to 20 to 25 mph on Monday before winds veer easterly and decrease to 5-10 mph once again on Tuesday. Winds then become east to southeast on Wednesday with speeds remaining 5-10 mph. Afternoon highs in the mid to upper 70s on Sunday will cool to mid to upper 60s to low 70s across the north to low to mid 70s across the south on Monday before slightly warming on Tuesday and Wednesday to low to mid 70s. Sunday and Monday nigheights will be the coolest for this period, with overnight lows in the low to mid 40s north of I-4 corridor, with 50s everywhere else. Overnight lows will then warm slightly to low to mid 50s across the interior and upper 50s to low 60s along the coast on Tuesday night, and upper 50s to low 60s across the interior and low to mid 60s along the coast on Wednesday night. Marine Issued at 252pm EST Thu Dec 11 2025 Today-Monday... Poor to hazardous conditions today with favorable boating conditions returning across the local waters Friday into the weekend. Conditions will deteriorate once again on Monday with poor to hazardous seas developing. Small craft should exercise caution across the nearshore waters today for winds 15-20 KT. Hazardous conditions across the Gulf Stream today with seas increasing up to 8 ft in the offshore waters. A Small Craft Advisory for all offshore zones through 7PM tonight. North to northwest winds today at 15-20 KT, except across the offshore Volusia and Brevard waters where winds increase to 20-25 KT, will decrease to around 10 KT across all the waters tonight. Winds then become light and variable Friday as high pressure rebuilds across the waters. Winds then shift north to northeast on Saturday with speeds around 10 KT, becoming more northerly and increasing to 10-15 KT on Sunday. Winds then become northeast and increase to 20-25 KT Sunday night and continuing through Monday. Seas up to 8 ft in the offshore waters today before decreasing back down to 6ft tonight, then 2-4ft on Friday, and 2-3ft Saturday, before slowly building back up to 2-5ft Sunday and 6-10 ft on Monday. A Small Craft Advisory will likely be needed on Monday with cautionary headlines on Sunday. Outside of isolated to scattered showers on Sunday and Monday, mostly dry conditions are forecast through the remainder of the week and into the weekend. NOAA Melbourne FL Office: Watches - Warnings - Advisories FL...None. AM...Small Craft Advisory until 7pm EST this evening for AMZ570-572- 575. |
Melbourne Radar
Southeast Radar