Sunrise 5:27 AM   Sunset 7:52 PM Moonrise 4:31 AM   Moonset 6:22 PM

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ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 246 Am Edt Mon May 6 2024
Today - S winds 5 to 10 kt. Seas around 3 ft. Wave detail: E 3 ft at 10 seconds and S 2 ft at 4 seconds. Patchy fog early this morning. A slight chance of showers late. Tonight - S winds 5 to 10 kt, becoming nw after midnight. Seas 2 to 3 ft. Wave detail: E 3 ft at 10 seconds. Patchy dense fog. Vsby 1 nm or less. Tue - NW winds 5 to 10 kt, becoming sw in the afternoon. Seas 2 to 3 ft. Wave detail: E 3 ft at 10 seconds.Tue night - S winds 5 to 10 kt, becoming ne after midnight. Seas 2 to 3 ft. Wave detail: E 3 ft at 10 seconds. Wed - E winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 8 seconds and E 2 ft at 10 seconds. Showers. Vsby 1 to 3 nm. Wed night - NE winds around 10 kt. Seas 2 to 3 ft. Wave detail: se 2 ft at 5 seconds and E 2 ft at 10 seconds. A chance of showers. Thu - NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers in the afternoon. Thu night - NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Fri - NE winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Fri night - NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers.

ANZ100 246 Am Edt Mon May 6 2024
Synopsis for stonington me to merrimack river ma out to 25 nm a cold front crosses the waters later today bringing fresh southwesterly to westerly flow and clearing conditions low pressure remains nearby through the week with a couple opportunities for more organized waves to traverse the waters, leading to periods of rainy weather and potentially active seas.

FXUS61 KGYX 060638 CCA AFDGYX

Area Forecast Discussion...CORRECTED National Weather Service Gray ME 238 AM EDT Mon May 6 2024

SYNOPSIS
A cold front will cross the region this afternoon with temperatures warming significantly ahead of it. Warm and fair weather is again expected for Tuesday. Unsettled weather and cooler temperatures are then likely for the middle and end of next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/
The rain showers of yesterday have moved off to the east.
However, plenty of clouds still remain along with some locally dense fog. The column will gradually dry out as the day progresses and a cold front moves through the region this afternoon. This will allow for increasing amounts of sun and warmer temperatures, with most locations getting into the 65 to 75 degree range today. Sufficient moisture and forcing for ascent associated with the departing cold front may allow for some widely scattered convective showers on the the coastal plain this afternoon. Prior to cold frontal passage, there may be some coastal fog late this afternoon and evening.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/
High pressure will build in tonight allowing for clearing and drying conditions. Areas of river valley fog may develop although there should be light light NW boundary layer flow overnight. High pressure continues to dominate Tuesday with another day with warm temperatures on tap. A blend of guidance yields highs in the 70s at most locations, except in the 60s in the mountains and at the immediate coast.

LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/
The mostly blocky pattern across the N Hemisphere mid latitudes will continue through the end of the week into next weekend.
More locally, by mid week, we move into zonal to weakly amplified flow between two closed lows, as the closed low to our west drifts slowly closer through the week, and acts a wave generator, with with chunks of energy moving into it from the NW and ejecting it toward the E. This general pattern should once again provide persistent onshore flow, and several rounds of showers, similar to what we saw last week.

On Wed, it’ll be be mainly cloudy with showers moving in from the W during the morning. The weak sfc low will be passing to our S with ridging to the N and E, so this should help onshore flow develop, which combined with any rain will mean maxes 55-60 across most of the CWA, but 60-65 in SW NH and the CT valley.
Showers should shift E of the area during Wed evening, and I think we may see a dry spell, although continued cloudy and cool on Thu, as that ridge to out N shift slightly to the S. This is a fine line forecast, so if we see less of the ridge from the N, may end up with showers again Thu. Looks like showers return on Friday, and it stays cool in onshore flow. The weekend remains uncertain, as the 12Z model runs have flipped to a more progressive closed low at 500 mb, which would mean a better chance for a dry Saturday, but this far out confidence is very low, given the changeable models.

AVIATION /06Z MONDAY THROUGH FRIDAY/
Short Term...IFR conditions in low cigs and fog will gradually improve this morning to VFR. This afternoon will be VFR with a seabreeze developing on the immediate coast during the afternoon hours. VFR tonight with some valley fog expected with light NW winds. VFR day Tuesday with the seabreeze likely just remaining offshore.

Long Term...VFR prevails Tuesday night, but will likely move to MVFR in SHRA on Wed, with some IFR possible at time Wed night.
I think we’ll be stuck with at MVFR Thu into Friday as several waves move through , and with onshore flow may see IFR at times inland, and maybe more persistent IFR at coastal terminals.

MARINE
Short Term...Cold front crosses the waters today with winds becoming west- northwesterly this evening with gusts up to 20 kts possible. Seas will be at 1-3 ft, highest outside of the bays. Tuesday looks tranquil.

Long Term...Winds/seas stay below SCA criteria through Thu, but may be needed on Friday as a stronger low passes S of the waters.

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

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Dover, Cocheco River, Piscataqua River, New Hampshire, Tide feet

Portsmouth Harbor Entrance
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Mon -- 02:26 AM EDT     -2.16 knots Max Ebb
Mon -- 04:30 AM EDT     Moonrise
Mon -- 05:29 AM EDT     Sunrise
Mon -- 06:12 AM EDT     0.00 knots Slack
Mon -- 08:18 AM EDT     1.35 knots Max Flood
Mon -- 11:52 AM EDT     -0.00 knots Slack
Mon -- 02:45 PM EDT     -2.16 knots Max Ebb
Mon -- 06:21 PM EDT     Moonset
Mon -- 06:25 PM EDT     0.00 knots Slack
Mon -- 07:50 PM EDT     Sunset
Mon -- 08:42 PM EDT     1.63 knots Max Flood
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Portsmouth Harbor Entrance, New Hampshire Current, knots

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