Marine Weather and Tide Forecast for Waldoboro, ME

NEAR TERM /UNTIL 6 AM SUNDAY MORNING/
0130Z Update...
Winds have decoupled across portions of the forecast area this evening, mainly across the interior valleys. This will allow for temperatures to quickly drop under mainly clear skies and light winds. Radiational cooling will allow for 30s across portions of New Hampshire, interior Maine and in particular the northern mountains.

A few clouds will reach far eastern areas at times during the overnight hours. For the most part however, mainly clear skies will continue with patchy fog developing.

Prev Disc...
Update...
Clouds continue to dissipate over the western two thirds of the forecast area per latest satellite imagery and surface observations. Over eastern areas, the latest HRRR continues to pinwheel moisture into that area in the form of SCT-BKN low clouds.

The occasional cloud cover will allow for milder temperatures overnight as you head towards the Penobscot River Valley.
Elsewhere, clear skies and light winds will allow for radiational cooling later tonight. Temperatures will drop into the 30s in the mountains with lower 40s elsewhere by morning.

Prev Disc...
High pressure continues to build in overnight tonight from the west, bringing cooler and drier air into the region. A breeze looks to continue most of the night, limiting the radiation cooling potential. Northern valleys stand the best chance to go calm and decouple late tonight, with a few hour window to cool into the mid to upper 30s. Lows in the low to mid 40s are mostly expected elsewhere under mainly clear skies most of the night.
Some clouds likely move into far eastern and northwestern areas late tonight as some low level moisture and clouds arrive on a north-northeasterly flow.

SHORT TERM /6 AM SUNDAY MORNING THROUGH MONDAY/
Tomorrow looks to be a seasonable day with highs ranging from the upper 50s across the north, to mid 60s through southern areas and the coastline. Clouds look to linger through eastern areas most of the day, while much of western Maine and New Hampshire enjoys a bright first half of the day. Clouds then do start to arrive ahead of an approaching cold front with a wave of low pressure developing along it. At the same time, low level moisture begins to increase as high pressure slides offshore by the afternoon hours.

Temps cool through the evening tomorrow, but then mostly level out overnight as the cloud cover thickens. Patchy fog is possible across the interior south of the mountains, where increasing low level moisture may become banked up against the mountains. The front steadily approaches from the west overnight, with showers likely reaching far western New Hampshire shortly after midnight. This gives way to a steady and mostly light rain that spreads eastward, likely reaching western Maine by daybreak on Monday.

The rain mostly falls within about a six hour window, with most of the rain in New Hampshire falling overnight tomorrow night.
Generally about a quarter to a half inch of rain is expected, but some isolated higher amounts are possible through the White Mountains. The bulk of the rainfall through Maine will hold off until the daytime on Monday.

LONG TERM /MONDAY NIGHT THROUGH FRIDAY/
An upper-level low situated over Canada looks to bring a cold front through the Great Lakes and the Northeast. On Sunday night, some instability over the Great Lakes will help produce a long line of thunderstorms. As this line approaches New England by Monday morning, the storms will gradually decay into heavy rain. Southeast flow through the day on Monday should help transport more moisture into the front. The flash flooding risk is low on Monday given our currently drier soils and the timing of the front through New Hampshire and Maine.

By Tuesday morning, the rain exits the region. The upper-level low remains overhead and will help bring colder temperatures into the forecast. Some wraparound moisture from the upper-level low could spawn some rain or snow showers north of the mountains through the midweek.

High pressure associated with a ridge enters the region on Friday, bringing clearer skies and warmer temperatures. High pressure remains in the forecast through next weekend.

AVIATION /02Z SUNDAY THROUGH THURSDAY/
Short Term...Mainly VFR conditions prevail into tonight, with a brief period of valley fog at LEB late tonight. An MVFR cloud deck is likely at AUG and RKD by late tonight, and likely lingers most of the day tomorrow. VFR conditions are expected elsewhere. Ceilings then lower tomorrow night, with MVFR and then IFR conditions likely moving from west to east over the course of the night from midnight through daybreak on Monday.

Long Term...

MVFR likely through the day Monday as rain moves through the region. Conditions improve to VFR Tuesday morning as skies clear out. Mostly VFR is expected through the rest of the week, but some showers may locally lower CIGS and visibility in the White Mountains on Wednesday and Thursday.

MARINE
Short Term...High pressure continues to build in overnight tonight, and then slides east of the waters tomorrow. A cold front approaches from the west tomorrow night. A southeasterly swell from distant Hurricane Kirk builds to greater than 5ft by tomorrow night.

Long Term...
SCA issuance is like through the first-half of next week. On Monday, southeasterly winds at 15-20kts are expected with 5-7 foot seas. Winds shift to northwesterlies with similar magnitude overnight Monday. Elevated seas continue through Tuesday and let up by Wednesday morning.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Small Craft Advisory from 2 AM to 8 PM EDT Monday for ANZ150- 152-154.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Small Craft Advisory from 2 AM to 8 PM EDT Monday for ANZ150- 152-154.