Area Forecast Discussion
Issued by NWS Melbourne, FL
Issued by NWS Melbourne, FL
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740 FXUS62 KMLB 081002 AFDMLB Area Forecast Discussion National Weather Service Melbourne FL 602 AM EDT Mon Jun 8 2026 ...New AVIATION... .KEY MESSAGES... Issued at 245 AM EDT Mon Jun 8 2026 - Dry conditions persist through today, with a gradual increase in moisture across the peninsula leading to increasing rain and storm chances through the remainder of the forecast period. - Near to slightly above normal temperatures will continue, with the increasing moisture leading to greater chances for peak heat indices exceeding 100F late this week. - At the beaches, a moderate risk of rip currents is forecast. Always swim near a lifeguard! && .DISCUSSION... Issued at 245 AM EDT Mon Jun 8 2026 Today-Tonight...In the mid-levels, an omega block pattern across the eastern US will keep ridging in place across the Florida peninsula. At the surface, broad high pressure across the western Atlantic will weaken, with the ridge axis remaining draped near the Florida- Georgia border. Locally, this will lead to persistent onshore flow across east central Florida, with wind speeds ranging from 10 to 15 mph. Dry air remains in place across the area from the surface through 500 mb, helping to limit any shower development. Isolated, light onshore-moving sprinkles cannot be fully ruled out, but confidence in this remains too low to have a mention within the forecast. Above 500 mb, atmospheric profiles across the area indicate increasing moisture aloft through today, resulting in building cloud coverage, especially across the north. Despite the greater cloud coverage, afternoon temperatures are still forecast to reach the upper 80s to mid 90s across east central Florida, with the warmest temperatures focused across the interior. Lows overnight are forecast to remain near-normal in the low to mid 70s. A moderate risk of rip currents is forecast at all east central Florida beaches today. Residents and visitors are encouraged to always swim near a lifeguard and follow posted flags, signs, and the advice of beach safety officials. Tuesday-Wednesday...The omega block pattern breaks down across the eastern US into Tuesday, with broad mid-level ridging across the Florida peninsula being kicked westward across the Gulf as the troughs associated with the omega block slide eastward. Energy from the westernmost trough is forecast to traverse the Florida peninsula, pushing southward aloft. At the surface, the broad high pressure across the Atlantic is forecast to break down, with another area of high pressure centered across the Mid-Atlantic sliding southeastward and offshore on Tuesday and Wednesday. This transition in the broad pattern will be what breaks the area out of its dry spell, with a gradual increase in moisture forecast as the initial surface high weakens and the second high settles into place. Moisture moves in from the Atlantic, with a 20% chance of showers and storms on Tuesday and a 30-50% chance of showers and storms on Wednesday. The timing of activity is anticipated to follow the typical summertime diurnal pattern, with shower and storm coverage increasing along the east coast sea breeze in the afternoon and early evening hours. By late evening and into the overnight hours, mostly dry conditions are forecast across the peninsula with low to medium chances of ongoing development across the local Atlantic waters. Temperatures are forecast to remain near-normal Tuesday and Wednesday. Afternoon highs will reach the upper 80s along the coast and the low 90s across the interior, with overnight lows ranging in the low to mid 70s. Increasing moisture into Wednesday will lead to humid conditions, with some locations across the interior potentially seeing peak heat indices around 100F. Thursday-Sunday...Broad mid-level ridging across Florida, the Gulf, and Mexico is forecast to remain in place through the end of this week and into the weekend. At the surface, the broad high pressure across the Atlantic will settle, with the center drifting eastward out across the Atlantic. The ridge axis will extend towards the Florida peninsula, resulting in south to southeast flow. Late week, the pressure gradient is forecast to loosen, with winds becoming lighter and more variable into this weekend. The persistent south to southeast flow will allow for moisture advection to occur, with PWATs recovering into the 1.8-2.0" range as moist air moves northward. The greater moisture combined with the daily development of the east coast sea breeze and subsequent push inland will lead to scattered to numerous showers and storms each afternoon across east central Florida. Following the typical summertime diurnal pattern, activity will peak in the afternoon and early evening hours, gradually diminishing overnight with a low to medium chance of continued development across the local Atlantic waters. Model discrepancies continue relative to the amount of moisture present across the peninsula, but they have come into better agreement relative to the overall synoptic pattern. Would still anticipate some adjustments to PoPs as the moisture discrepancies are worked out. Temperatures across east central Florida will remain near to slightly above normal through the extended period and with the humid conditions, peak heat indices exceeding 100F will be possible. Residents and visitors alike should plan ahead for the warmer conditions, especially if spending extended periods of time outdoors; remain adequately hydrated, avoid the hottest points of the day, and take frequent breaks in the shade or an air conditioned building. && .MARINE... Issued at 245 AM EDT Mon Jun 8 2026 High pressure across the local Atlantic waters will lead to favorable boating conditions through the forecast period. Easterly winds will slowly become more south to southeasterly through the period, with wind speeds remaining between 10 to 15 knots. Seas of 2 to 3 feet are forecast to continue across the local waters through this week. While the marine conditions will be favorable, it is important to note that increasing moisture from Tuesday onward across the area will lead to increasing rain and storm chances each day, with the best chances for development across the local waters forecast through the overnight and early morning hours. && .AVIATION... (12Z TAFs) Issued at 601 AM EDT Mon Jun 8 2026 VFR conditions generally expected to continue. Onshore flow persists with a drier/stable airmass in place under the presence of weak high pressure. This continues to keep rain chances largely out of the forecast. Will still monitor for very ISOLD light sprinkles & brief showers producing brief MVFR conditions along the coast thru early this morning. Light onshore (ENE-E) flow increases to around 7-12 kts as the sea breeze develops and pushes inland. && .PRELIMINARY POINT TEMPS/POPS... DAB 88 74 86 75 / 0 0 10 10 MCO 93 73 90 74 / 0 0 20 0 MLB 88 78 87 77 / 0 10 20 10 VRB 89 76 88 77 / 0 10 20 20 LEE 93 74 90 74 / 0 0 10 0 SFB 92 73 90 73 / 0 0 20 0 ORL 93 74 90 74 / 0 0 20 0 FPR 88 76 87 76 / 0 10 20 30 && .MLB WATCHES/WARNINGS/ADVISORIES... FL...None. AM...None. && $$ DISCUSSION...Tollefsen AVIATION...Sedlock