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Marine Weather and Tide Forecast for Scar, ME

April 29, 2025 12:36 AM EDT (04:36 UTC)
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Sunrise 5:34 AM   Sunset 7:43 PM
Moonrise 6:22 AM   Moonset 10:46 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.

Marine Forecasts
   
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NOTE: Zones were updated 3/20/2025
ANZ153 Casco Bay- 1130 Pm Edt Mon Apr 28 2025

Overnight - SW winds around 5 kt. Seas around 2 ft.

Tue - S winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft.

Tue night - S winds 15 to 20 kt, becoming sw 10 to 15 kt after midnight. Seas 2 to 4 ft.

Wed - NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.

Wed night - NW winds 5 to 10 kt. Seas 2 to 3 ft.

Thu - NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.

Thu night - S winds 5 to 10 kt. Seas around 2 ft.

Fri - S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers.

Fri night - S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers.

Sat - S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the morning, then showers likely in the afternoon.

Sat night - W winds 5 to 10 kt, becoming nw after midnight. Seas 2 to 3 ft. Showers likely, mainly in the evening.
ANZ100 1130 Pm Edt Mon Apr 28 2025

Synopsis for stonington me to merrimack river ma out to 25 nm high pressure builds across the waters today and will move offshore south of new england tonight a cold front will cross the region late Tuesday night with freshening southwesterly flow ahead of the front, and west winds behind it. High pressure returns briefly Thursday followed by a warm front lifting into the region and an unsettled weekend.

7 Day Forecast for Marine Location Near Scar, ME
   
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Tide / Current for Richmond Island, Maine
  
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Richmond Island
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Mon -- 05:37 AM EDT     Sunrise
Mon -- 05:44 AM EDT     Moonrise
Mon -- 05:51 AM EDT     -1.79 feet Low Tide
Mon -- 12:06 PM EDT     10.31 feet High Tide
Mon -- 06:03 PM EDT     -0.67 feet Low Tide
Mon -- 07:40 PM EDT     Sunset
Mon -- 09:22 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Richmond Island, Maine does not exist in database. Press Edit above and select a valid nearby location.

Richmond Island, Maine, Tide feet
12
am
11.2
1
am
9.8
2
am
7.1
3
am
3.9
4
am
0.8
5
am
-1.2
6
am
-1.8
7
am
-0.8
8
am
1.4
9
am
4.5
10
am
7.4
11
am
9.5
12
pm
10.3
1
pm
9.8
2
pm
8
3
pm
5.2
4
pm
2.3
5
pm
0.2
6
pm
-0.7
7
pm
-0
8
pm
2
9
pm
4.9
10
pm
8
11
pm
10.4

Tide / Current for Fore River, Maine
  
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Fore River
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Mon -- 05:37 AM EDT     Sunrise
Mon -- 05:44 AM EDT     Moonrise
Mon -- 05:56 AM EDT     -1.82 feet Low Tide
Mon -- 12:11 PM EDT     10.52 feet High Tide
Mon -- 06:08 PM EDT     -0.69 feet Low Tide
Mon -- 07:40 PM EDT     Sunset
Mon -- 09:23 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Fore River, Maine does not exist in database. Press Edit above and select a valid nearby location.

Fore River, Maine, Tide feet
12
am
11.5
1
am
10.1
2
am
7.5
3
am
4.2
4
am
1
5
am
-1.1
6
am
-1.8
7
am
-1
8
am
1.2
9
am
4.3
10
am
7.3
11
am
9.5
12
pm
10.5
1
pm
10.1
2
pm
8.3
3
pm
5.6
4
pm
2.6
5
pm
0.3
6
pm
-0.7
7
pm
-0.1
8
pm
1.8
9
pm
4.7
10
pm
7.9
11
pm
10.4

Area Discussion for Gray/Portland, ME
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FXUS61 KGYX 290336 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1136 PM EDT Mon Apr 28 2025

SYNOPSIS
After a warm day today clear skies and light winds will allow temperatures to get cool again overnight. However once the sun comes out Tuesday temperatures will begin to soar into the 70s to near 80 for much of the area. A cold front will approach late in the day with widely scattered to isolated showers and thunderstorms. For most locations it will remain dry. A couple more days Wednesday and Thursday are anticipated before unsettled weather arrives for Friday into the weekend.

NEAR TERM /THROUGH TUESDAY/
1130 PM Update... Minor changes to reflect latest observational trends.

Previously...
930 PM Update... Went ahead and issued a coastal flood statement for the entire coast for the high tide cycle at around midnight.
Latest observations are close to the forecast, which approaches minor flood stage later tonight. Otherwise, just loaded in the latest surface observations to account for the fast cooling that is taking place.

Previously...
745 PM Update... Minor changes to reflect latest observational trends. Satellite imagery shows cirrus coming in from the north and west but this is rather thin and high in altitude and therefore should not have a major impact on radiational cooling.

Previously...
Very warm and dry conditions are making for a very pleasant spring day across the forecast area. Northwest winds are doing a good job of keeping the sea breeze at bay...so even the coast has managed some 70s.

Tonight return flow will commence as high pressure slides to our south. Despite that I suspect we will be able to decouple and radiate...so I took our favored cool spots and adjusted temps down a few degrees overnight. With southerly winds starting to creep up the CT River Valley I do not anticipate fog developing like last night.

SHORT TERM /TUESDAY NIGHT/
Tue is still the pick of the week...with widespread temps well into the 70s for most areas and perhaps a few 80s across southern NH. Breezy southwest winds will keep the sea breeze pinned near the Seacoast and southwestern ME coast...but it will surge inland towards the Capital Region. I have blended in some higher resolution temps to show the marine influence there.
Southwest winds will also be bringing increasing dewpoints thru the day...so even though temps will be warmer the RH values may be a few percentage points higher thanks to the moisture advection.

Question then becomes when does the cold front arrive with convection. Some CAM guidance shows prefrontal trof convection as early as 4 PM...while the frontal precip does not arrive until closer to 8 PM. Marginal risk for severe storms is clipped just to the west of the North Country currently...which is probably right considering storms arriving as the boundary layer is stabilizing is most likely
However
if we can get the earlier arrival time of storms we will have to watch out for deep moderately strong westerly flow leading to gusty winds.

Overnight temps will remain quite mild...closer to the high temps for this time of year...as a steady breeze remains.

LONG TERM /WEDNESDAY THROUGH MONDAY/
04Z Long Term Forecast Update... Little change in the latest NBM guidance. Conditions look to become unsettled late Thursday night through portions of the upcoming weekend, although dry periods will likely be mixed in between.

Previously...
A drier and slightly cooler airmass settles in behind the cold front for Wednesday and Thursday as high pressure builds in. Temperatures will be still be mostly in the 60s each day, although the seabreeze will probably keep the coast in the 50s on Thursday. The breezy northwest winds will likely be enough to prevent the seabreeze Wednesday. Dry air and subsidence will bring plenty of sunshine Wednesday, but we should start seeing more mid and high clouds move in Thursday afternoon as moisture starts to increase ahead of the next system.

The high shifts east Thursday night into Friday with a 500mb trough moving across the Great Lakes turning the weather turning more unsettled through at least the first of the weekend with mostly cloudy conditions and multiple chances for showers. The first round of showers will likely move in Thursday night into the first part of Friday along a warm front. The cold front then enters the area Friday into Saturday with waves of low pressures riding along it, potentially bringing multiple rounds of showers across the region. We may to add a chance of thunderstorms for Friday afternoon (mainly NH) if we can get some clearing/destabilization.

Outside of precipitation, the increasing southerly flow will probably bring low stratus and fog to portions of the area, mostly likely in western ME and along the coast. This will also keep western ME cooler on Friday with highs in the 50s and 60s while southern NH could still reach the 70s.

By Sunday into next Monday, there is decent agreement among the models showing the low pressure and cold front east of the area, although the GFS is slower in doing so with the trough becoming more amplified. There is some support for both scenarios, but the majority of ensemble members look to push the trough to the east, which would be a drying trend for these days with some lingering upslope showers in the mountains and partly sunny and breezy conditions for areas to the south.

AVIATION /04Z TUESDAY THROUGH SATURDAY/
Short Term...Widespread VFR conditions expected into Tue evening. Tue evening and overnight a cold front will approach with scattered SHRA/TSRA along it. Some local MVFR or lower conditions are possible...but these will be mainly confined to the mtns. The most likely TAF sites to experience any flight restrictions would be HIE and LEB.

Long Term...High pressure brings VFR all sites for Wednesday and Thursday. The weather pattern then becomes more unsettled Thursday night into the weekend with multiple rounds of showers possible and increasing potential of flight restrictions. Even outside of precipitation, the southerly flow may lead to fog and IFR stratus during this time.

MARINE
Short Term...Winds will diminish tonight and become southwesterly. Those southwest winds will increase especially the latter half of Tue. SCA conditions are anticipated outside of the bays thru Tue night.

Long Term...SCA conditions likely continue into at least some of the day Wednesday, possibly into the evening across the eastern waters. After that, high pressure keeps conditions under SCA levels Wednesday night through Thurday night. The high shifts east Friday and into the weekend with southerly flow probably increasing to SCA levels at times ahead of the next front/low pressure system that looks to cross through Saturday or Saturday night. West to northwest flow follows for Sunday and Monday with SCA conditions remaining possible.

TIDES/COASTAL FLOODING
Highest astronomical tides on the month occur tonight with a tide of 11.8ft at Portland shortly after midnight. With little wave action and northwest winds becoming southwest...a slight negative storm surge is anticipated. At this time no significant impacts are expected...but it is worth noting that tides will be running within a few inches of flood stage.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Small Craft Advisory from 1 PM Tuesday to 8 AM EDT Wednesday for ANZ150-152-154.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
CASM1 - 8418150 - Portland, ME 7 mi49 minSW 6G8 57°F 44°F30.15
44007 - PORTLAND 12 NM Southeast of Portland,ME 8 mi37 minSW 9.7G12 49°F 46°F30.1743°F
WEXM1 - Wells Reserve, ME 21 mi97 min0 49°F 38°F
44030 - Buoy B0102 - Western Maine Shelf 27 mi93 minSSW 7.8G7.8 48°F 45°F2 ft30.15
SEIM1 41 mi49 min 56°F 44°F30.2036°F
BGXN3 - Great Bay Reserve, NH 45 mi112 min0 51°F 36°F
IOSN3 - Isle of Shoals, NH 45 mi37 minSW 14G15 56°F 30.1729°F


Wind History for Portland, ME
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KPWM PORTLAND INTL JETPORT,ME 6 sm45 minW 0310 smClear48°F39°F71%30.18

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





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