Greenville, ME Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Greenville, ME

May 2, 2024 4:38 AM EDT (08:38 UTC) Change Location
Sunrise 5:20 AM   Sunset 7:43 PM
Moonrise 2:59 AM   Moonset 12:57 PM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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Marine Forecasts
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ANZ151 Penobscot Bay- 317 Am Edt Thu May 2 2024

Today - S winds around 5 kt, becoming E late. Seas 1 foot or less. Patchy fog early this morning. Scattered showers early this morning, then numerous showers late this morning and afternoon. Vsby 1 nm or less early this morning.

Tonight - NE winds around 5 kt. Seas 1 foot or less, then around 2 ft after midnight. Scattered showers in the evening. Patchy fog in the evening with vsby 1 to 3 nm.

Fri - NE winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft.

Fri night - NE winds around 5 kt. Seas 1 foot or less.

Sat - NE winds 5 to 10 kt, becoming se in the afternoon. Seas 1 foot or less.

Sat night - S winds 5 to 10 kt. Seas 1 foot or less.

Sun - S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of showers in the afternoon.

Sun night - S winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely.

Mon - SW winds around 10 kt. Seas around 2 ft. A chance of showers in the morning.

Mon night - W winds 5 to 10 kt. Seas around 2 ft.

ANZ100 317 Am Edt Thu May 2 2024

Synopsis for stonington me to merrimack river ma out to 25 nm weak low pressure dives southwest of the gulf of maine today with rain showers as a strong area of high pressure builds over northeastern canada this high pressure circulation gradually builds south through the maritimes and into the gulf of maine this weekend, resulting in ne flow late in the week turning se late Saturday into Sunday. This flow regime may introduce fog on Sunday, while an approaching cold front will bring increasing chances for rain showers. The front crosses the waters Sunday night into Monday with fresh sw to W flow developing.


7 Day Forecast for Marine Location Near Greenville, ME
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Area Discussion for - Caribou, ME
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FXUS61 KCAR 020649 AFDCAR

Area Forecast Discussion National Weather Service Caribou ME 249 AM EDT Thu May 2 2024

SYNOPSIS
Weak low pressure will track through the state then into the Gulf of Maine today. High pressure will build over the area Friday into Saturday. A weak trough of low pressure will approach on Sunday then slide across the area Sunday night. High pressure will build south of the area Monday.

NEAR TERM /THROUGH TONIGHT/
A weak and elongated area of surface low pressure extends from southern Quebec and into northern VT early this morning. The surface low is expected to be in the vicinity of Cape Cod this afternoon, and fairly quickly pull away from the southern New England coast this evening. A mid level low will cross southern Maine early this evening and also quickly pull away from the coast tonight. A surface ridge will begin to build down into Maine tonight. An area of rain will overspread the Central Highlands and into Hancock County this morning, and taper to showers and end this evening. Little/no rain expected north of the Katahdin Region, and it looks like most of the rain will also remain west of Washington County. Highs today will be coolest where there is the densest cloud cover and rain from the Central Highlands to southern Hancock County where highs will only be around 50F. Milder to the north where areas north of Houlton will likely reach the low 60s. Clouds will likely hold in tonight with a light northeast flow and lows will mostly be within a few degrees of 40F.

SHORT TERM /FRIDAY THROUGH SATURDAY/
Weak high pressure will build over the area on Friday. However, we will be on the edge of some moisture to our east wrapping back from an upper low south of Nova Scotia. This will bring a partly to mostly cloudy and seasonable day with inland highs in the mid to upper 50s across the area. A thin ridge of high pressure will remain over the area Friday night. The upper low to our southeast will be moving away to the east. However, some moisture ahead of a weak occlusion will begin to stray into the area bringing a partly to mostly cloudy night. Weak high pressure will be nearby to our northeast on Saturday as a bit of moisture continues to stray into the area from the occlusion to our west. This will bring a partly to mostly cloudy sky on Saturday. However, any showers should remain to our west.

LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/
Surface high pressure and upper ridging will continue to slide to our east on Sunday. A corridor of moisture supported by lift out ahead of an upper trough lifting through the Great Lakes, and surface convergence associated with an approaching occlusion, will continue to very slowly approach Saturday night into Sunday. A few showers may begin to move into the area Sunday afternoon as the occlusion pushes in. However, both the surface occlusion and the upper trough look rather weak and there are currently no signs of any well organized precipitation. Scattered showers may last into Sunday evening across most of the area, with scattered to isolated showers over the north on Monday as the occlusion pushes east and a weak upper trough remains north of the region.

Weak high pressure will return on Tuesday and last into Tuesday night although some thin moisture will linger beneath an upper trough centered well to our north. This will bring partial cloudiness Tuesday into Tuesday night.

Our focus on Wednesday will turn to a new trough of low pressure and surface occlusion pushing east from the Great Lakes region. The upper trough is currently looking a bit disorganized with one low just north of the Great Lakes and another low in the upper plains.
However, this one looks like it may carry a bit more moisture into the area than the trough coming through over the weekend, bringing a chance of showers late Wednesday or Thursday. Temperatures through early next week should be near normal, to perhaps a few degrees above normal.

AVIATION /05Z THURSDAY THROUGH MONDAY/
NEAR TERM: VFR at the Aroostook terminals today with possible MVFR ceilings tonight. IFR to MVFR at the Downeast terminals today with MVFR tonight. E/SE wind 5 to 10 knots becoming N/NE tonight.

SHORT TERM: Friday...VFR. Light NNE wind

Friday night...VFR. Light NE wind.

Saturday...VFR Light SE wind.

Saturday night...VFR, possibly dropping to MVFR late. Light SE wind.

Sunday...MVFR, possibly dropping to IFR late. S wind.

Sunday night...MVFR. S wind.

Monday...VFR. SW wind.

MARINE
NEAR TERM: The wind and seas will remain well below small craft advisory levels through tonight. Patchy fog at times today.

SHORT TERM: Wind and seas are expected to be below SCA through the coming weekend and early next week. Some humid air over the waters early next week may produce some patchy fog or light mist.

CAR WATCHES/WARNINGS/ADVISORIES
ME...None.
MARINE...None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KGNR0 sm42 mincalm--46°F43°F87%29.91
Link to 5 minute data for KGNR


Wind History from GNR
(wind in knots)
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Tide / Current for Bangor, Penobscot River, Maine
   
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Bangor
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Thu -- 02:54 AM EDT     Moonrise
Thu -- 05:22 AM EDT     Sunrise
Thu -- 05:34 AM EDT     14.12 feet High Tide
Thu -- 12:35 PM EDT     0.75 feet Low Tide
Thu -- 12:55 PM EDT     Moonset
Thu -- 06:20 PM EDT     13.02 feet High Tide
Thu -- 07:41 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Bangor, Penobscot River, Maine, Tide feet
12
am
2.4
1
am
3.3
2
am
5.5
3
am
8.7
4
am
11.9
5
am
13.8
6
am
14
7
am
12.6
8
am
10.2
9
am
7.4
10
am
4.6
11
am
2.3
12
pm
1
1
pm
0.9
2
pm
2.2
3
pm
5
4
pm
8.6
5
pm
11.5
6
pm
12.9
7
pm
12.7
8
pm
11.3
9
pm
9
10
pm
6.5
11
pm
4.1



Tide / Current for Bangor, Penobscot River, Maine (2)
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Bangor
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Thu -- 02:54 AM EDT     Moonrise
Thu -- 05:22 AM EDT     Sunrise
Thu -- 05:30 AM EDT     13.92 feet High Tide
Thu -- 12:33 PM EDT     0.64 feet Low Tide
Thu -- 12:55 PM EDT     Moonset
Thu -- 06:21 PM EDT     12.98 feet High Tide
Thu -- 07:41 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Bangor, Penobscot River, Maine (2), Tide feet
12
am
2.2
1
am
3.3
2
am
5.8
3
am
9
4
am
12
5
am
13.7
6
am
13.8
7
am
12.7
8
am
10.5
9
am
7.7
10
am
4.7
11
am
2.2
12
pm
0.8
1
pm
0.8
2
pm
2.4
3
pm
5.2
4
pm
8.7
5
pm
11.5
6
pm
12.9
7
pm
12.8
8
pm
11.5
9
pm
9.3
10
pm
6.6
11
pm
4




Weather Map
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GEOS Local Image of north east   
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Caribou, ME,



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