Marine Weather Net

Cape Elizabeth ME to Merrimack River MA Marine Forecast


REST OF TODAY

W
WINDS
5 - 10
KNOTS

TONIGHT

N
WINDS
10
KNOTS

WED

N
WINDS
5 - 10
KNOTS

WED NIGHT

S
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
ANZ154 Forecast Issued: 1051 AM EDT Tue Apr 16 2024

Rest Of Today...W Winds 5 To 10 Kt. Seas 3 To 4 Ft.
Tonight...N Winds Around 10 Kt With Gusts Up To 20 Kt. Seas 3 To 4 Ft.
Wed...N Winds 5 To 10 Kt, Becoming Se In The Afternoon. Seas 2 To 3 Ft.
Wed Night...S Winds 5 To 10 Kt, Becoming Ne After Midnight. Seas 2 To 3 Ft.
Thu...E Winds 5 To 10 Kt. Seas Around 2 Ft.
Thu Night...S Winds 5 To 10 Kt. Seas Around 2 Ft.
Fri...S Winds 5 To 10 Kt. Seas Around 2 Ft.
Fri Night...S Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft. A Chance Of Showers.
Sat...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft. A Chance Of Showers.
Sat Night...W Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft.
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Area Forecast Discussion
National Weather Service Gray ME
1054am EDT Tuesday April 16 2024

Synopsis
Another weak cold front moves across the region by this evening but with little in the way of noticeable effects other than some gusty winds. High pressure then builds in through Friday. Rain showers and possible this weekend with a cold front.

Near Term - Until 6pm This Evening
1050 AMWinds are picking upright on schedule as the weak frontal boundary continues crossing through. Performed the typical tweaks to temps/dewpoints based on observations, but no big changes were needed.

630 AMEarly morning dense valley fog will burn off quickly this morning. Otherwise, the forecast remains on track for a partly cloudy day with gusty W winds.

Previously... A short wave trough pushes through northern New England today allowing for another weak cold front to move across the region. The air mass ahead of the front is dry so we only expect some clouds but no rainfall. Winds will however become gusty with westerlies gusting around 25 MPH with a few 30 MPH gusts possible.

Short Term - 6pm This Evening Through 6pm Wednesday
Winds quickly diminish this evening as high pressure slides down from the northwest. Low temperatures have been based largely on a blend of the MOS guidance. Mostly clear skies expected except for some mountain strato-cu.

High pressure dominates Wednesday with mostly sunny skies except for perhaps some late day cirrus moving into southern zones. Otherwise, winds will be much lighter with an afternoon seabreeze expected.

Long Term - Wednesday Night Through Monday
Overview: Warm pattern continues before a cold front brings the chance of rain and slightly cooler temps Friday into Saturday.

Details: Low pressure will be occluding over the western Great Lakes Wednesday evening, with a elongated warm front reaching towards the Mid-Atlantic. This boundary will have good moisture with it and guidance depicts widespread showers to the SW of the CWA (County Warning Area) overnight. Strong high pressure to the NW will have been continuing advection of dry air at the surface and upper levels across the area, so the incoming moisture will have to contend with that. Guidance has been consistent in suggesting a resulting mid deck of clouds easily pushing into the area into the day Thursday, but model soundings really hold low level dry air steadfast. Thus have lowered suggested NBM PoPs, focusing the chance of any showers towards Thursday evening across SW and west NH. This will only be enabled as the parent low draws north and the boundary almost tilts poleward along the VT/NH border. Will keep these at slight chance/chance Probability of Precipitation for now. Dry air aloft could limit this to just a period of drizzle or scattered sprinkles. Daytime highs may be greatest across the Kennebec Valley as clouds take longer to move in here. Highs around 60 will be possible here, with low to mid 50s to the SW.

With flow finally turning out of the SE, Thursday night should be fairly mild. Will see clouds expand NE with time, but precipitation chances again wane as the front washes out. Friday should warm nicely, with rain chances again building into the late afternoon and overnight hours. This round looks at least more certain with areal coverage, but Quantitative Precipitation Forecast remains light as cold front passes through. This will likely be enough to dampen the surface into Saturday morning while some showers continue to develop out of the mountains through the afternoon.

Remainder of the weekend into early next week looks a couple degrees cooler, but mostly dry conditions seem possible considering broad high pressure moving east to start the week.

Marine
Short Term
Conditions remain below SCA (Small Craft Advisory) today through Wednesday most waters. However, one exception may be nearshore waters today where overland mixing may allow for a few 25 kt gusts.

Long Term
Below SCA (Small Craft Advisory) conditions expected. Cold front will pass over the waters Thursday night into Friday morning with showers. Otherwise, waves remain 2 to 3 ft, with gusts less than 20 kt.

NOAA Gray/Portland ME Office - Watches - Warnings - Advisories
ME...None. NH...None.

Marine
None.