Volusia-Brevard County Line to Sebastian Inlet 20 - 60 NM Marine Forecast
| Today...East Winds 5 To 10 Knots. Seas 2 To 3 Feet. Wave Detail: North 2 Feet At 5 Seconds And Northeast 2 Feet At 8 Seconds. |
| Tonight...Southeast Winds Around 10 Knots, Becoming South After Midnight. Seas 2 To 3 Feet. Wave Detail: Northeast 2 Feet At 8 Seconds And Southeast 1 Foot At 4 Seconds. A Slight Chance Of Showers After Midnight. |
| Sunday...Northwest Winds 5 To 10 Knots, Increasing To 15 To 20 Knots In The Afternoon. Seas 3 To 4 Feet. Wave Detail: Northwest 4 Feet At 5 Seconds And East 2 Feet At 9 Seconds. A Slight Chance Of Thunderstorms In The Morning. A Chance Of Showers. |
| Sunday Night...North Winds 20 To 25 Knots, Increasing To 25 To 30 Knots After Midnight. Seas 6 To 8 Feet, Occasionally To 10 Feet, Building To 10 To 13 Feet, Occasionally To 17 Feet After Midnight. Wave Detail: North 8 Feet At 7 Seconds And East 2 Feet At 9 Seconds, Becoming North 13 Feet At 8 Seconds After Midnight. A Chance Of Showers With A Slight Chance Of Thunderstorms. |
| Monday...Northeast Winds 20 To 25 Knots, Diminishing To 15 To 20 Knots In The Afternoon. Seas 10 To 13 Feet, Occasionally To 17 Feet, Subsiding To 9 To 11 Feet, Occasionally To 14 Feet In The Afternoon. Wave Detail: Northeast 13 Feet At 10 Seconds And North 9 Feet At 9 Seconds, Becoming North 9 Feet At 10 Seconds And Northeast 9 Feet At 10 Seconds In The Afternoon. A Chance Of Showers. |
| Monday Night...Northeast Winds 10 To 15 Knots. Seas 7 To 9 Feet, Occasionally To 11 Feet. Wave Detail: Northeast 7 Feet At 9 Seconds And North 6 Feet At 9 Seconds. A Slight Chance Of Showers In The Evening. |
| Tuesday...Northeast Winds Around 10 Knots. Seas 5 To 7 Feet, Occasionally To 9 Feet. |
| Tuesday Night...East Winds 10 To 15 Knots. Seas 4 To 5 Feet, Occasionally To 6 Feet. |
| Wednesday...East Winds Around 10 Knots. Seas 4 Feet. |
| Wednesday Night...Southeast Winds 10 To 15 Knots. Seas 4 Feet. A Slight Chance Of Showers. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Melbourne FL 353am EST Sat Dec 13 2025 ...New KEY MESSAGES,ARINE... .KEY MESSAGES... Issued at 345am EST Sat Dec 13 2025 - A little warmer today with dry conditions continuing. Sunshine will be filtered through high clouds at times. - The next cold front will push through during Sunday but will come through mostly dry. Scattered showers and a storm or two will affect Treasure coast/Okeechobee. - Breezy to windy conditions develop Sunday evening/overnight as strong high pressure builds in behind the front. These winds will produce very hazardous boating and surf conditions Sunday night/Mon, with high surf and beach erosion. Issued at 345am EST Sat Dec 13 2025 Today/tonight...High pressure ridge axis draped across north central FL will weaken and push seaward. Dry conditions persist today with light winds turning onshore in a sea breeze around 10 mph south of the Cape. There will be some increase in high clouds filtering the sun at times as well as some fair weather cumulus. Max temps will warm into the mid and upper 70s, slightly above normal for mid Dec. Tonight, moisture lifts northward from south FL. Along with considerable cloudiness there will be scattered showers and possibly a storm or two after midnight lifting northward into Okeechobee and Treasure coast counties. Across northern sections, there is a better chance for fog across Volusia county, spreading southward toward metro Orlando. Sun-Mon...Ongoing showers across southern sections Sunday morning will move NE and offshore onto the Atlantic as a cold front pushes steadily southward across the area during the day. A NW breeze will develop initially behind the front. Then strong high pressure (1040mb) over the central US builds SE into FL and tightens the NW-N pressure gradient late Sunday and esp Sunday night. This will result in a period of windy conditions along the coast with Wind Advisories likely Sunday night into early Monday. While it will become noticeably cooler with max temps holding in the 60s on Monday, because the winds turn onshore so quickly, the cold continental airmass will rapidly modify over EC FL sparing us any freeze concerns. These strong N/NE winds will produce rough, pounding surf and minor beach erosion Sunday night into Mon. Fortunately the duration will be very short as the high pressure weakens steadily as it reaches the Carolina coast late Mon. The high tide of most concern will be early Monday between 4am-5am. A High Surf Advisory may be needed for breaking waves of 7-9 FT. Tue-Fri...The high pressure will shift eastward over the Atlc. A trailing ridge axis will remain near 30N lat so a general easterly flow will dominate Tue-Wednesday at 10-15 mph veering SE Thu 10 mph. The next cold front is forecast to approach Fri but lack of moisture looks to limit rain chances. Temperatures will undergo a warming trend each day reaching the upper 70s/near 80 Thu (mid 70s coastal Volusia). Lows will generally be in the 50s, holding in the lower 60s along the coast by Thu morning. Marine Issued at 345am EST Sat Dec 13 2025 High pressure ridge across the northern (Volusia) waters will produce favorable boating conditions again today. Light and variable winds will turn northeast to east up to 10 knots this afternoon. Seas 1-2 FT nearshore and up to 3 FT offshore Treasure coast. Scattered showers and a few storms will lift north into the southern (Treasure coast) waters tonight and Sunday ahead of a cold front. This next front will sweep across the waters during Sunday with a NW wind shift. Winds will increase out of the north late Sunday and Sunday night as strong high pressure builds over the waters behind the cold front. The tight north-northeast pressure gradient will support wind speeds 20-30 KT with gusts to Gale force Sunday night. Seas will rapidly build 6-9 FT nearshore (up to 10 FT nearshore Volusia) and up to 13 ft in the Gulf Stream. NE winds decrease 15-20 KT by late Monday and 10-15 KT Tuesday as pressure gradient eases. High pressure pushes out to sea Wednesday and winds veer Easterly remaining 10-15 KT. Seas will be slower to subside, reaching 4-5 FT nearshore Tuesday with seas falling below 7 FT in the Gulf Stream late in the day. Seas Wednesday 3 FT nearshore and 4 FT offshore. NOAA Melbourne FL Office: Watches - Warnings - Advisories FL...None. AM...None. |
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