Sunrise 5:04 AM   Sunset 8:27 PM Moonrise 2:29 AM   Moonset 6:53 PM

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ANZ153 Casco Bay- 956 Pm Edt Tue Jul 2 2024
Rest of tonight - SW winds around 5 kt. Seas around 2 ft. Wed - SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wed night - S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Thu - S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Thu night - S winds 5 to 10 kt, becoming sw after midnight. Seas around 2 ft. Fri - S winds around 5 kt. Seas 1 to 2 ft. Fri night - SE winds around 5 kt. Seas 1 to 2 ft. Sat - SE winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers in the afternoon. Sat night - S winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers. Sun - S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the morning. Sun night - SW winds 5 to 10 kt. Seas 1 to 2 ft.

ANZ100 956 Pm Edt Tue Jul 2 2024
Synopsis for stonington me to merrimack river ma out to 25 nm high pressure moves offshore tomorrow morning a frontal system will approach the waters Wednesday night and Thursday. The front stalls over the waters Friday. Low pressure moves along the front on Saturday as it lifts back north.

FXUS61 KGYX 030159 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 959 PM EDT Tue Jul 2 2024

SYNOPSIS
High pressure will continue to remain overhead tonight, moving southeast of the New England coast on Wednesday with warm and dry conditions as a result. A shower is possible as a weak frontal boundary crosses the region late Wednesday night.
Temperatures and humidity begin to build on Independence Day with this trend continuing through the end of the week. The next chance for more widespread showers and thunderstorms is expected this weekend.

NEAR TERM /THROUGH TODAY/
10PM Update...Forecast is on track tonight, some small changes for temperatures with most areas now under a surface inversion.
Temperatures should remain warm enough along with some high clouds to keep fog at bay.

7PM Update...No changes to the forecast except a few small tweaks to temperatures and cloud cover. Looks like a perfect July night tonight with low humidity and mostly clear skies as daytime cumulus field dissipates. Some high thin cirrus will stream overhead, but that is it for cloud cover tonight. Maybe some patchy fog in the mountain valleys tonight, but that is it for sensible weather to speak of.

Quiet night tonight with high pressure nearly overhead. We should radiate again but not quite as good as last night.
Therefore lows should be a bit warmer tonight.

Wednesday will be a fair weather day with winds picking up from the south as high pressure continues to moves offshore and a cold front approaches from the west. We'll see an increase in clouds but temperatures will still rise well into the 80s with fairly low dewpoint values.

SHORT TERM /TONIGHT THROUGH THURSDAY/
A warm front approaches from the west Wednesday night bringing a chance of showers later at night and perhaps an isolated thunderstorm. A cold front quickly follows but looks to pass with little fanfare Thu.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/
Highlights:

* Scattered showers are possible early with humidity expected to be on the increase for Independence Day

*Warm, humid airmass taking control over the weekend with showers expected mainly Saturday Afternoon into Sunday

Independence Day and Friday:

Isolated showers will be around to start the day Thursday, especially in NH. These showers are expected to be falling apart as they move across the CWA with most models showing any remaining showers to dissipate by late morning. A mix of sun and clouds is expected to develop behind the showers, leaving generally pleasant conditions for the afternoon and evening of the holiday.
Temperatures are expected to top out in the lower to middle 80s.
Friday looks to remain dry with partly cloudy conditions throughout the region and temperatures topping out in the middle to upper 80s.
Dewpoints are expected to remain elevated both days leading to a more humid feel to air. Low temperatures are expected to range through the 60s from north to south.

Saturday and Sunday:

The pattern becomes more unsettled heading into the weekend as a series of fronts approaches the region from the southwest.
There is quite a bit of model uncertainty on the surface features but Saturday looks to start out dry with showers and thunderstorms arriving by the afternoon. Severe weather threat looks minimal but the greatest chance for thunderstorms looks to be over Southern NH where the warm front has a greater chance of lifting. Farther north, the threat for storms is lower as the front is likely to occlude.
Showers are expected to linger into Sunday with shower chances decreasing later in the day. The airmass will remain very humid through this period with high temperatures Saturday in the low to mid 80s and mid to upper 80s on Sunday. A few spots in Southern NH may hit 90 degrees by Sunday afternoon. Low temps remain warm in the mid to upper 60s with low 70s possible the urban areas of Southern NH.

Monday and Tuesday:

Generally pleasant weather is expected Monday. Beyond that, low pressure passing to our north is likely to drop more showers and thunderstorms into our region for Tuesday, however timing is uncertain and confidence is low with this feature. High temperatures are expected to remain in the 80s during this time.

AVIATION /02Z WEDNESDAY THROUGH SUNDAY/
Short Term...VFR tonight through Wednesday night with seabreeze continuing to kick in at the coast this afternoon and evening. A few patches of valley fog possible tonight. A few showers late Wednesday night could bring a period of lowering conditions.

Long Term...
A brief period of MVFR conditions early Thursday with isolated showers. Otherwise VFR conditions Thursday Midday lasting into Saturday. MVFR conditions with localized IFR Saturday afternoon and evening in scattered showers. MVFR to VFR conditions return on Sunday.

MARINE
Short Term...A few southerly gusts may approach 25 kt Wednesday evening but sub-sca conditions are expected for the most part tonight through Wednesday.

Long Term...
Wind and waves approach SCA levels Thursday otherwise an extended period of relatively light winds and low waves are expected Friday through the weekend and into early next week.

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

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