


Area Forecast Discussion
Issued by NWS Caribou, ME
Issued by NWS Caribou, ME
610 FXUS61 KCAR 131828 AFDCAR Area Forecast Discussion National Weather Service Caribou ME 228 PM EDT Mon Oct 13 2025 .SYNOPSIS... High pressure slowly exits to the east through Tuesday as a coastal low passes well to the south off the Mid-Atlantic coast. A cold front crosses Maine Tuesday night and Wednesday morning, followed by high pressure building in from the west through Friday night. A warm front lifts to the north on Saturday. && .NEAR TERM /THROUGH TUESDAY NIGHT/... High pressure remains in place near the Gaspe Peninsula and is contributing to subsidence over much of the region. The subsidence is resulting in considerable dry air at low and mid levels and preventing much of the precipitation seen Downeast on radar from reaching the ground. Thus, have reduced chances for precipitation through tonight as the dry air is likely to stick around. Only expecting a few isolated showers in the Bar Harbor area with possible scattered showers offshore. Gusty winds, high seas, and the potential for dangerous nearshore surf continue along the coast through Tuesday. Rip currents and sneaker waves will lead to dangerous beach conditions. Waves crashing against rocks can splash violently upward and wash onlookers out to sea. Some minor beach erosion is possible. Our messaging is if you plan to be along the shoreline, keep your distance from the water, and never turn your back on the ocean. Winds and seas should be on a downward trend beginning this evening as the Noreaster begins to move east offshore. However, seas will be much slower than winds to decrease. Farther north tonight, calm winds and breaks in the clouds should contribute to some decoupling. Temperatures are expected to dip into the low 30s and thus have added widespread frost to much of northern Maine. Some fog possible but low confidence due to the cloud cover. As the Noreaster begins to exit the region on Tuesday, a weak shortwave pushes through the area along with a weak cold front. Precipitation chances are fairly low across the region due to the modest forcing as well as ample low-level dry air exhibited by model soundings. Winds will become breezy Tuesday night behind the front which should keep temperatures on the warmer side and also prevent fog development. && .SHORT TERM /WEDNESDAY THROUGH THURSDAY/... A developing northern stream closed low crosses Maine Wednesday, then stalls over New Brunswick Wednesday night and Thursday. The result will be isolated to scattered showers, mainly across Eastern Maine. On Wednesday night, it could be could enough for the showers to mix with or change to all snow across portions of the Northwoods. At this time no accumulation is expected, except for possibly at the top of Katahdin. Highs on Wednesday should be a few degrees below normal, with lows Wednesday night near normal. Highs on Thursday should be around 5 degrees below normal. && .LONG TERM /THURSDAY NIGHT THROUGH MONDAY/... The closed upper low slides offshore Thursday night, then slowly exits to the southeast through Friday. A few isolated showers near the eastern boarder with Canada cannot be ruled out. Deep layered ridging builds in Friday night through Saturday night. It should be dry, though there is a small number of ensemble members who exit the ridge axis to the east by late Saturday night allowing for a slight chance of showers late Saturday night over far W zones. The region is under SW flow aloft Sunday and Sunday night, with a gradually increasing chance of showers from W to E. A northern stream closed low approaches Monday - and depending on how fast it moves in - will determine the coverage and intensity of showers during the day. For now going with low end likely pops, though still not completely convinced the timing on this system will not change. Temperatures should be near to slightly below normal Thursday night- Saturday, then above normal Saturday night-Monday. && .AVIATION /18Z MONDAY THROUGH SATURDAY/... NEAR TERM: Tonight...VFR. VCSH possible for BHB but dry elsewhere. BR/BCFG possible at northern terminals, especially HUL and PQI but too low confidence to include in TAF. Winds light and variable in the north and 5-10kts out of the E/NE for BGR/BHB. Tuesday...VFR. VCSH possible at all terminals. Winds N/NE around 5 kts at southern terminals early, becoming light and variable everywhere in the afternoon. Tuesday night...VFR. Light and variable winds increase to 5-10 kts out of the NW. SHORT TERM: && .MARINE... NEAR TERM: A small craft advisory remains in effect for the intra coastal waters through 8 PM Tuesday and for the outer waters through 8 AM Wednesday. NE winds 15-25 kts with gusts up to 30 kts will gradually decrease tonight, becoming 5 to 10 kts by Tuesday evening. Seas 8 to 11 ft with a period of 10-12 seconds this afternoon will decrease much slower than the winds and stay above small craft advisory criteria through Tuesday night. A few isolated rain showers are also possible through Tuesday night. SHORT TERM: Wednesday-Thursday night...MVFR possible, with the best chance at terminals near the eastern boarder with Canada, otherwise VFR. NW winds G15-30KT possible Wednesday through Thursday. Friday-Saturday...VFR. NW winds G15-20KT possible Friday afternoon. && .CAR WATCHES/WARNINGS/ADVISORIES... ME...High Surf Advisory until 8 PM EDT Tuesday for MEZ029-030. MARINE...Small Craft Advisory until 8 AM EDT Wednesday for ANZ050-051. Small Craft Advisory until 8 PM EDT Tuesday for ANZ052. && $$ Near Term...SM Short Term...PM Long Term...PM Aviation...SM/PM Marine...SM/PM