NEAR TERM /UNTIL 6 PM THIS EVENING/
The ridging from the sfc through 500 mb hangs around one more day, but it is being broken by 500 mb closed low to our SW, and by weak waves moving through the jet well to our N. So other than morning fog we’ve become so used to, and some cirrus, it should be another warm and mainly sunny day, although maybe more of a filtered sunshine in the south. While maxes won’t be as warm as Tuesday, they will still be quite warm by mid September standards, and range form the mid to upper 70s on the coast and into the low to mid 80s inland.

SHORT TERM /6 PM THIS EVENING THROUGH THURSDAY NIGHT/
By tonight, there will be very little flow up through 700 mb, and mid-level col settles overhead, and no real sfc gradient.
This should allow whatever sea breeze gets going this afternoon, to persist, albeit weakly tonight, which will likely bring in some marine fog fog and stratus to the coast later this evening.
Not sure, how far inland it will make it, but with higher Tds and just some cirrus in the N half of the CWA fog is expected in more places. Min temps will generally be in the 50s, low 50s N, to upper 50s in S NH and SW ME.

Thursday is a more tricky forecast, at least for temps. Given that weak sfc low will track from roughly W-E S of New England should see an onshore E-NE flow develop. Although it will be weak. This combined with more clouds on the coast and in S NH E of the CT vly will lead to the coolest temps in these areas /there’s also a slight chance of showers in srn NH as well/, with highs closer to 70 and probably some 60s on the immediate coast. Most inland areas should make into the the mid to upper 70s, while the CT vly could see some reading near 80, given the downslope and 850 mb temps temps still around 13-14C. I think much of the CWA will see a partly sunny day, but S NH and the coast will be mostly cloudy.

LONG TERM /FRIDAY THROUGH TUESDAY/
12Z operational models and ensemble solutions continue to indicate a disorganized area of low pressure will be centered off the Northeast coast at the beginning of the extended period.
Moisture attempts to advect towards the Maine and New Hampshire coastline with the best chances for precipitation Thursday into Thursday night. Whether or not these showers will reach southern portions of the forecast area will be highly dependent on the amount of dry air in place over northern New England in which the system would need to displace. For the time being, will only have low probabilities for precipitation as our very dry period continues across the region.

An upper level trough may bring a sprinkle or an isolated shower to the interior of Friday. However, yet again any precipitation would be very light. Otherwise, high pressure over eastern Canada will keep us dry over the weekend and into early next week.

Above normal temperatures on Thursday will be replaced by seasonable readings for the remainder of the extended forecast.

Coastal Flooding...The onshore winds forecast for the coast late in the week will coincide with very high astronomical tides.
This may lead to minor coastal flooding near the times of high tide.

AVIATION /06Z WEDNESDAY THROUGH SUNDAY/
Short Term...Yet another morning with valley fog and maybe some brief sunrise fog at KCON/KAUG/KRKD, but VFR should return and persist through sunset. Coastal terminals will likely see some coastal stratus move in later this evening, with some fog possible, while valley fog should return to KHIE/KLEB. Probably the coastal stratus will linger through much of the day at the coastal terminals, but should improve somewhat later in the morning. The rest of the terminals should see improvement to VFR by mid morning, which should last through the day.

Long Term...VFR likely prevails during the day time Friday through Sunday. Night time valley fog will bring the potential for IFR/LIFR most nights at KLEB and KHIE. Onshore flow and increasing clouds from a system passing south of New England will also bring the potential for cigs around MVFR thresholds Thursday night and possibly into Friday.

MARINE
Short Term...Winds/seas stay below SCA criteria through Thu, but will see seas start to come up during the day on Thu, as low pressure moves offshore from the mid Atlantic coast.

Long Term...Winds and seas remain below SCA thresholds Thursday.
a northeast flow will develop Thursday as low pressure approaches and stays south of New England. Low pressure passing south of the Gulf of Maine will bring seas building to 5 ft by Friday with continued NE flow with gusts around 25 kts. Seas remain elevated around 5 feet into the weekend with NE winds subsiding from their peak on Friday.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...None.