738
FXUS61 KGYX 182337
AFDGYX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
737 PM EDT SUN OCT 18 2026
WHAT HAS CHANGED
MINOR CHANGES TO REFLECT LATEST OBSERVATIONAL TRENDS.
KEY MESSAGES
1. HIGH PRESSURE WILL BE IN CONTROL MOST OF THE UPCOMING WEEK,
BRINGING FAIR WEATHER AND NEAR NORMAL DAYTIME TEMPERATURES.
DISCUSSION
KEY MESSAGE 1 DESCRIPTION...
HIGH PRESSURE WILL BE IN CONTROL FOR MUCH OF THE UPCOMING WEEK WITH
LITTLE IN THE WAY OF PROSPECTS FOR RAIN. TONIGHT WILL AGAIN SEE GOOD
RADIATIONAL COOLING BUT IS NOT EXPECTED TO BE QUITE AS CHILLY AS
DEWPOINTS ARE A BIT HIGHER, PUTTING LOWS IN THE 20S AND 30S. MONDAY
WILL SEE MILDER TEMPERATURES IN THE UPPER 50S TO LOW 60S WITH
INCREASING HIGH CLOUDS FROM THE DISTANT NOR'EASTER OFF THE COAST OF
THE CAROLINAS, AND THESE MAY BE ENOUGH TO LIMIT COOLING MONDAY
NIGHT, ESPECIALLY OVER EASTERN AND SOUTHERN AREAS. SOME INCREASE IN
MOISTURE MAY RESULT IN LOW STRATUS OR FOG ALONG THE COAST AND
INTERIOR MONDAY NIGHT BUT IS UNCERTAIN DUE TO THE CLOUDS AND MAYBE
ENOUGH OF A BREEZE TO KEEP THINGS MIXED. OTHERWISE, SIMILAR HIGHS
CONTINUE TUESDAY WITH MORE SUNSHINE BY THE AFTERNOON, AND THEN
TEMPERATURES COOL DOWN A BIT INTO THE MID 50S FOR HIGHS ON
WEDNESDAY.
THE FIRST VERY LOW CHANCE OF RAIN COMES THURSDAY AS A MOISTURE-
STARVED FRONT CROSSES, AND THE NEXT IS THURSDAY NIGHT OR FRIDAY AS
AN UPPER TROUGH SWINGS THROUGH, WHICH WILL ALSO KEEP THE
NOR'EASTER WELL TO THE SOUTH AND EAST, ALTHOUGH IT STILL MAY BE
A BIT BREEZY NEAR THE COAST. ONLY A HANDFUL OF ENSEMBLE MEMBERS
BRING MEASURABLE PRECIP WHETHER FROM THE FRONT, UPPER TROUGH, OR
EVEN ENOUGH MOISTURE FROM THE DISTANT NOR'EASTER, AND THE
LATEST NBM POP OF ONLY AROUND 10% REFLECTS THIS. HIGH PRESSURE
THEN RETURNS FOR AT LEAST THE FIRST HALF OF THE WEEKEND
PROLONGING THE MOSTLY DRY WEATHER. HIGH TEMPERATURES TREND BACK
UP TO NEAR OR SLIGHTLY ABOVE NORMAL ON THURSDAY AHEAD OF THE
FRONT AND THEN RETURN TO SLIGHTLY BELOW NORMAL LATE WEEK AND THE
START OF THE WEEKEND.
THE DRY AIR IN PLACE MUCH OF THIS WEEK WILL ALSO FAVOR SLIGHTLY
COOLER THAN NORMAL LOW TEMPERATURES, MOSTLY IN THE 20S AND 30S.
AVIATION /00Z MONDAY THROUGH FRIDAY/
THROUGH 00Z TUESDAY...VFR WITH LIGHT WINDS, MAINLY OUT OF THE S
DURING THE DAYTIME HRS. CAN'T COMPLETELY RULE OUT VALLEY FOG AT
LEB TONIGHT, BUT CHANCES ARE TOO LOW TO PUT IN THE TAF. NO LLWS
IS ANTICIPATED.
MONDAY NIGHT: FOG OR LOW STRATUS COULD DEVELOP AND BRING IFR/MVFR
ALONG PORTIONS OF THE COAST AND INTERIOR. HOWEVER, CONFIDENCE IS
LOW.
TUESDAY-WEDNEDAY NIGHT...VFR. N/NNE WINDS COULD GUST TO AROUND 20 KT
TUESDAY INTO WEDNESDAY.
THURSDAY-FRIDAY...MAINLY VFR. SOME SHOWERS ARE POSSIBLE, BUT CHANCES
CURRENTLY APPEAR VERY LOW. NORTH WINDS COULD GUST UP TO 25 KT ON
FRIDAY.
MARINE
HIGH PRESSURE OVERHEAD KEEPS CONDITIONS UNDER SCA LEVELS THROUGH
MONDAY. SCA CONDITIONS ARE THEN LIKELY FROM MONDAY NIGHT THROUGH
MOST OF THE WEEK DUE TO SWELLS FROM THE NOR'EASTER OFF THE COAST OF
THE CAROLINAS. THIS NOR'EASTER WILL LIFT NORTHEAST LATER THIS WEEK
BUT IS EXPECTED TO REMAIN SOUTH AND EAST OF THE WATERS. PERIODS OF
NORTH TO NORTHEAST WIND GUSTS ABOVE 25 KT ARE POSSIBLE MONDAY NIGHT
THROUGH WEDNESDAY AND THEN AGAIN TOWARD LATE WEEK.
GYX WATCHES/WARNINGS/ADVISORIES
ME...NONE.
NH...NONE.
MARINE...NONE.
DISCUSSION...COMBS/TUBBS
AVIATION...TUBBS
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