Saturday, June12, 2021
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Marine Weather and Tides
Cumberland Center, ME

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 4:57AMSunset 8:24PM Saturday June 12, 2021 10:10 AM EDT (14:10 UTC) Moonrise 6:29AMMoonset 10:37PM Illumination 7% Phase: Waxing Crescent; Moon at 2 days in cycle
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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ANZ153 Casco Bay- 900 Am Edt Sat Jun 12 2021
Today..S winds around 5 kt, increasing to 5 to 10 kt with gusts up to 20 kt this afternoon. Seas around 2 ft.
Tonight..SW winds up to 10 kt. Seas 2 to 3 ft.
Sun..SW winds around 5 kt, becoming S in the afternoon. Seas 1 to 2 ft, building to 2 to 3 ft in the afternoon.
Sun night..S winds 5 to 10 kt. Seas around 2 ft. A chance of showers after midnight.
Mon..S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.
Mon night..S winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
Tue..SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the morning, then showers likely in the afternoon.
Tue night..NW winds 5 to 10 kt. Seas 1 to 2 ft. Showers likely in the evening.
Wed..NW winds 5 to 10 kt, becoming sw in the afternoon. Seas 1 to 2 ft.
Wed night..W winds 5 to 10 kt. Seas 2 to 3 ft.
ANZ100 900 Am Edt Sat Jun 12 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. A southwesterly wind begins over the gulf of maine today as high pressure pulls away to the east. Winds gradually increase out of the south through early next week as low pressure approaches, then turns westerly again in its wake by midweek. Showers and a few storms are possible with low pressure.


7 Day Forecast for Marine Location Near Cumberland Center, ME
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location: 43.76, -70.25     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 121306 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 906 AM EDT Sat Jun 12 2021

SYNOPSIS. After morning rain across southern New Hampshire, weak high pressure will return for the remainder of the weekend. Showers and a few storms return for the first half the coming work week as low pressure forms and lingers nearby. This system ships east around mid-week, with another system approaching the region by next weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 9 AM . Just a quick update, mainly to remove any mentions of showers from entire CWA, and to adjust sky a bit, mainly in srn NH, where stratus is lingering in the wake of the earlier rain there. There is little mixing at this pint so it may take a few more hours for it to completely dissipate, but should at least partly sunny by midday. Otherwise look fro a pretty good day with highs just a degree or two below normal, mostly in the low to mid 70s, but closer to 70 on the coast.

615AM UPDATE . Area of rain is now rapidly shifting out of the area. We've adjusted the precipitation chances to pull precipitation out of the area entirely by 8AM. Also made some minor adjustments to sky cover forecast. Otherwise no significant changes.

ORIGINAL DISCUSSION . Early morning rain in southern NH should move east by mid morning. More sunshine is expected today than yesterday which will allow for much warmer temperatures, back up to near normal for this time of year in the 70s. A developing southerly wind flow will keep the coast cooler.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/. Broad high pressure over the region should bring a relatively clear and calm night. With dewpoints in the upper 40s and low 50s, low temperatures will similarly dip into the 40s and 50s. By Sunday temperatures will warm even a few more degrees with some 80s likely across New Hampshire and interior southwest Maine. The next wave is likely to hold off until Sunday night at the earliest, so we expect Sunday to be a dry day.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. The long range portion of the forecast is marked early on by a significant amplification of the NOAM upper air pattern . as deep ridging builds through the Plains and Rockies and a deep trough carves south down the East Coast in response. This pattern brings a period of showery and at times cool weather to New England centered on the Monday/Tuesday time frame. Long range models continue to favor a more progressive pattern further along in the week, with drying and a gradual return to warm ridging from the middle through the end of the week . before another system approaches next weekend.

Starting Sunday night, two shortwaves begin their dive southeastward, down the front side of a deep Rockies ridge . starting from Hudson Bay and the upper Canadian Prairie. Over the subsequent 48 hours or so these waves will carve out deep troughing over eastern NOAM with the Arctic low eventually closing off over eastern Canada by mid-week. At the surface, cyclogenesis occurs over Quebec with a warm frontal circulation starting Sunday night and lasting through Monday over the forecast area. While isolated to scattered showers and perhaps a thunderstorm or two are possible in the generally baroclinic and weakly unstable atmosphere Sunday night, model trends continue to favor the Monday morning to mid- day time period for a more steady rain or more numerous showers . coinciding with a shortwave crossing SW to NE ahead of the parent trough.

There is question regarding how stratiform vs showery rain will be on Monday . with implications for temperature trends and potential destabilization. A more stratiform solution suppresses temperatures to the 60s over much of the area spare for the Connecticut River Valley into southern NH, limiting surface or mixed-layer based thunder chances . while a showery solution has an opportunity to warm the surface into the 70s with stronger destabilization, although onshore flow could seriously limit even that prospect. Nonetheless . synoptic ascent and steepening lapse rates aloft support some risk of thunderstorms . highest (chance) to the southwest and lowest toward the east during the day Monday (none), to a broad-brushed slight chance into Monday night as the wave advances east. Strong dynamics at play (0-6 km bulk shear on the order of 50 kts entering with a jet from the southwest) bear watching for severe potential should stronger destabilization occur.

The surface pressure trough axis (read: cold front) drifts east Monday night into Tuesday with showers and storms winding down thanks to gradual surface stabilization and dry air working in aloft. Showers bloom again with diurnal mixing on Tuesday however as the cold pool aloft nudges south into New England from Canada with another cold front under cyclonic flow . so, have kept a slight chance of thunderstorms during the afternoon. Better mixing and somewhat stronger WNWerly flow allow temperatures to warm into the 70s to low-80s on Tuesday under scattered to broken cumulus cover. Cyclonic flow aloft persists through Wednesday and Thursday, so have shower chances over the mountains and foothills before ridging attempts to nose in from the south at the end of the week. Temperatures will be right around normal with highs in the upper-60s (mountains) to near 80 (southern interior) and lows in the 40s and 50s.

With models on board with a progressive pattern late in the week, timing is now the primary source of uncertainty. The feature to look for WRT timing the late- week and weekend forecast is a Pacific low plowing into the central- NOAM ridge from the west, which will flatten upstream flow and pave the way for the Pacific jet to kick our overhead trough downstream. Models are coming into reasonable agreement bringing a warm ridge axis overhead around Friday, wedged between the trough departing to the east and the approaching Pacific wave. Thus have temperatures increasing into the 80s again late in the week with a return of widespread precipitation chances this weekend.

AVIATION /13Z SATURDAY THROUGH WEDNESDAY/. Short Term . Area of rain and MVFR to occasionally IFR conditions over southern NH will exit to the east this morning. Conditions should improve to VFR by mid morning. Elsewhere, a clear sky has led to some valley fog affecting Whitefield and Augusta. This will likely persist until a couple of hours after sunrise. Another round of valley fog is possible again tonight.

Long Term . Sunday night/Monday stands the best chance for widespread flight restrictions due to low clouds early and eventually showers and thunderstorms. Expect MVFR to prevail with localized instances of IFR in storms and along the coast . and gradual improvement Monday night. Restrictions on Tuesday are mainly a concern for eastern terminals, as a drying westerly wind takes hold elsewhere. VFR prevails thereafter.

MARINE. Short Term . A light southerly flow develops today and strengthens a bit through Sunday as high pressure moves east.

Long Term . Low pressure approaches the waters Sunday night into Monday with an increasing southerly wind approaching SCA thresholds as seas build to near 5 ft. Low pressure crosses Tuesday with winds decreasing and turning westerly, then northwesterly, through Wednesday. High pressure slides south of the waters during the second half of the week with a quiet period over the waters expected.

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

SYNOPSIS . NEAR TERM . Cempa/Kimble SHORT TERM . Kimble LONG TERM . Casey AVIATION . MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 7 mi52 min 59°F 58°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 17 mi30 min ENE 1.9 G 1.9 58°F 56°F1011.7 hPa54°F
WEXM1 - Wells Reserve, ME 33 mi70 min NNE 2.9 64°F 53°F
WELM1 - 8419317 - Wells, ME 35 mi52 min ESE 5.1 G 6 61°F 58°F1011.9 hPa
44030 - Buoy B0102 - Western Maine Shelf 41 mi66 min NNE 3.9 G 3.9 58°F 2 ft1011.1 hPa
44032 - Buoy E0104 - Central Maine Shelf 48 mi66 min SSE 3.9 G 3.9 59°F 57°F2 ft1012.2 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME8 mi79 minN 010.00 miA Few Clouds63°F54°F73%1012 hPa
Auburn-Lewiston, ME20 mi74 minNW 410.00 miFair58°F53°F84%1012.9 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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Last 24hrS96S8S64S7S5SW6S4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3NW4Calm3
1 day agoNE8SE6E10SE9E8E8S11
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S8S8S7SE5S4CalmSW3CalmW3CalmCalmCalmCalmSE5S4S7S4
2 days agoN8
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Tide / Current Tables for Falmouth Foreside, Maine
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Falmouth Foreside
Click for Map
Sat -- 12:50 AM EDT     9.72 feet High Tide
Sat -- 04:58 AM EDT     Sunrise
Sat -- 06:29 AM EDT     Moonrise
Sat -- 07:15 AM EDT     0.31 feet Low Tide
Sat -- 01:32 PM EDT     8.49 feet High Tide
Sat -- 07:14 PM EDT     1.58 feet Low Tide
Sat -- 08:23 PM EDT     Sunset
Sat -- 10:37 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.49.79.17.55.22.91.10.30.61.83.65.77.48.48.47.55.942.41.61.834.86.9

Tide / Current Tables for Long Island, Maine
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Long Island
Click for Map
Sat -- 12:48 AM EDT     9.72 feet High Tide
Sat -- 04:58 AM EDT     Sunrise
Sat -- 06:29 AM EDT     Moonrise
Sat -- 07:15 AM EDT     0.30 feet Low Tide
Sat -- 01:30 PM EDT     8.49 feet High Tide
Sat -- 07:14 PM EDT     1.53 feet Low Tide
Sat -- 08:22 PM EDT     Sunset
Sat -- 10:36 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.49.797.45.22.91.10.30.61.83.75.87.58.48.47.55.93.92.31.61.834.86.9

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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