369 FXUS62 KILM 110655 AFDILMArea Forecast Discussion National Weather Service Wilmington NC 255 AM EDT Thu Sep 11 2025
.SYNOPSIS... High pressure will aid in quiet and predominantly dry weather through the forecast period. A slight warming trend begins early next week.
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.NEAR TERM /THROUGH TONIGHT/... Widespread stratus across the area through this morning will slowly scatter out during the day, first across northeast SC and then southeast NC later in the day. This will lead to a gradient in high temps, with low 80s forecasted for NE SC and upper 70s for the Cape Fear region. High pressure remains in place to the northwest, with a weak surface trough moving down from the northeast this afternoon and evening. However, with abundant dry air above a subsidence inversion at 700mb, if any precipitation does develop in the low levels (like the CAMs are showing) it will be very light. Have limited slight chance pops to the Cape Fear region and Grand Strand for later today. Mostly clear skies tonight with low temps in the low 60s, potentially near 60F along and west of I-95.
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.SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/... Broad sfc high pressure nudges in from the north Friday shunting any precip to the south. A mid to upr level trough approaches the eastern seaboard but with very little moisture to work with aloft, so anticipating mainly mostly sunny/clear skies, up to partly cloudy along the coast. Temps will be slightly below normal with NE low-level flow...highs in the low/mid 80s with lows in the upr 50s to mid 60s.
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.LONG TERM /SATURDAY THROUGH WEDNESDAY/... Previous thinking remains on track this period. Not much change in the pattern for the long term period compared to the short term with the region still under the influence of sfc high pressure. Aforementioned upr-level trough pushes off the coast leaving continued northerly dry flow aloft in its wake. Moisture will be limited to below 800-700 mb, but even that will be meager, and with the lack of apparent forcing mechanisms, a dry forecast remains. Temps start to moderate early next week, with highs returning to around 90 degrees western areas Monday and staying in the mid/upr 80s there through midweek. Low/mid 80s near the coast.
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.AVIATION /06Z THURSDAY THROUGH MONDAY/... Widespread stratus is currently impacting eastern NC as MVFR ceilings slowly spreading southward into our area with isolated IFR cigs. Highest confidence for prolonged sub-VFR ceilings into midday/early afternoon today is at KILM and LBT, with lower confidence across northeast SC. Current forecast has MVFR cigs at KFLO and MYR/CRE between pre-dawn and 16z. Clouds scatter out during the day, though may linger longer than forecasted over the Cape Fear region as is typical. Winds remain relatively light out of the north.
Extended Outlook...Predominantly VFR.
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.MARINE... Through Tonight...North-northeast winds 10-15 kts continue to dominate the local coastal waters through tonight, with gusts of 15-20 kts during overnight hours. Seas generally 2-4 ft due to northeast swell.
Friday through Monday...No headlines anticipated attm. Expect NE sustained winds of 15-20 kt and seas up to 5 ft Friday through Saturday as the sfc pressure gradient tightens with low pressure offshore and high pressure expanding in from the north. Improving marine conditions thereafter for Sunday and Monday as both the offshore low pressure and inland high pressure weaken.
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.TIDES/COASTAL FLOODING... The full moon and elevated north to northeast winds will keep tides higher than normal into the late week period. Minor coastal flooding expected for the immediate coasts of southeast NC and northeast SC, including the back bays and sounds and along the Intra- coastal Waterway, will reside with the morning high tide cycles going into the upcoming weekend. Locations along the banks of the lower Cape Fear River from Wilmington southward can expect minor coastal flooding with mainly the midday high tide cycle into this weekend.
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.ILM WATCHES/WARNINGS/ADVISORIES... NC...Coastal Flood Advisory from 9 AM this morning to 1 PM EDT this afternoon for NCZ106-108-110. Coastal Flood Advisory from 11 AM this morning to 4 PM EDT this afternoon for NCZ107. SC...Coastal Flood Advisory from 9 AM this morning to 1 PM EDT this afternoon for SCZ054-056. MARINE...None.
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SYNOPSIS...ILM NEAR TERM...VAO SHORT TERM...MAS LONG TERM...MAS AVIATION...VAO MARINE...MAS/VAO TIDES/COASTAL FLOODING...
NWS ILM Office Area Forecast Discussion