Friday, March5, 2021
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Marine Weather and Tides
Falmouth, ME

Version 3.4
NOTICE
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 6:08AMSunset 5:36PM Friday March 5, 2021 2:20 PM EST (19:20 UTC) Moonrise 1:19AMMoonset 10:49AM Illumination 54% Phase: Third Quarter Moon; Moon at 22 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- 129 Pm Est Fri Mar 5 2021
Rest of today..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 1 to 2 ft.
Tonight..NW winds 10 to 20 kt with gusts up to 25 kt. Seas 1 to 2 ft. Light freezing spray.
Sat..W winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less. Light freezing spray in the morning.
Sat night..NW winds 5 to 10 kt. Seas 1 to 2 ft. Light freezing spray.
Sun..NW winds 5 to 10 kt. Seas 1 foot or less. Light freezing spray in the morning.
Sun night..NW winds around 10 kt with gusts up to 20 kt. Seas 1 to 2 ft.
Mon..NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less.
Mon night..W winds 5 to 10 kt. Seas 1 foot or less, then 1 to 2 ft after midnight.
Tue..W winds 5 to 10 kt. Seas 1 to 2 ft.
Tue night..W winds around 5 kt. Seas around 2 ft.
ANZ100 129 Pm Est Fri Mar 5 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. Gusty offshore winds continue today as yet another cold front crosses the waters. High pressure will slowly build into the area over the weekend, allowing winds to gradually diminish. High pressure crests overhead on Monday as it shifts south through the week. This will set up a prolonged period of southwesterly flow over the waters through the end of next week.


7 Day Forecast for Marine Location Near Falmouth, ME
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location: 43.71, -70.23     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 051531 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1031 AM EST Fri Mar 5 2021

SYNOPSIS. Cool and breezy conditions continue today into Saturday with winds gradually weakening by Saturday night. High pressure builds into the region Sunday and Monday before a significant warming trend develops next week. No significant rain or snow events are expected through the middle of next week.

NEAR TERM /THROUGH TONIGHT/. 10am update . Gusty northwesterly winds will continue today. Have adjusted to current winds and temperatures, which remain in the single digits in the north.

655 AM Update . Have made only minor changes to near term temperature and sky forecast to capture latest observed trends. Winds have remained gusty this morning and will remain so through today. Have also fine tuned PoPs for snow showers in the mountains. A pulse of energy will move through this afternoon leading to more persistent snow shower activity this afternoon.

Previous Discussion .

Low pressure over the Canadian Maritimes this morning will retrograde some today and gradually weaken through Saturday. The gradient over the area will remain strong today along with a well mixed boundary layer leading to another cold breezy day. Winds at the top of the boundary layer will be weaker than this past evening so not expecting winds to quite as strong today. Peak wind gusts should top out around 30 MPH late this morning into early afternoon with a weakening trend this evening.

The combination of winds and cold air in the region will allow for winds chills near -20F along the International Border and in the mountains to single digits above zero near the coast this morning. Highs this afternoon will range from near 10 degrees north to upper 20s south and with continued breezy winds, wind chills will remain below zero north and teens south. Cyclonic flow aloft will keep chances for upslope snow showers going across the north today into Saturday morning with the higher summits in the White Mountains picking up a few inches by Saturday. Tonight will be quite cold with lows below zero north to near 10 degrees south.

SHORT TERM /SATURDAY/. Low pressure to our northeast gradually weakens Saturday as well as the gradient over the area. Winds will remain elevated enough for another cold morning with wind chills ranging from well below zero north to the single digits near the coast. Winds will continue their weakening trend with peak gusts Saturday generally around 20 MPH. Despite ample sunshine south of the mountains highs will be below normal ranging from the teens north to upper 20s.

LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/. Overview . Southeast ridging tries to build into the Northeast while a series of S/WV trofs tries to knock it down. The battle between winter and spring looks to continue thru the week.

Impacts . A warm up . albeit brief . will continue the melt out across the area. With no major QPF events in that horizon though the impacts should be fairly minor if there is any at all.

Forecast Details . There is little to talk about for much of the extended. Ensemble guidance is bearish on just about any QPF let alone significant QPF thru the end of the next work week. The best chance for precip will be as cold front slowly works towards the area late in the week . and confidence is quite low in position and timing of this feature.

Most notably model guidance is hinting at a warm up for the latter half of next week. Southeast ridging will build N and along with it mid level temps will become seasonably warm. Some guidance is suggesting a multi-day stretch of 50s or warmer is possible in this period. We know how this goes this time of year however . as mid level temps do not always translate to sensible wx at the surface. Despite potential flies in the ointment we should at least see several days above normal to close out the next work week.

AVIATION /15Z FRIDAY THROUGH TUESDAY/. Short Term . Mainly VFR through Saturday with the exception of periods of MVFR at KHIE in mountain snow showers. NW winds will continue to gust 20 to 25 kts through today and gradually weaken through Saturday.

Long Term . Widespread VFR conditions expected thru early next week.

MARINE. Short Term . NW winds will gust 25 to 30 kts along the outer waters and Penobscot Bay into tonight. Winds gradually weaken through Saturday with a few gusts to to 25 kts along the outer waters. Cold air advection over the waters will bring periods of light freezing spray. Seas will generally be 5 ft or less through tonight and will subside Saturday.

Long Term . Cold front crossing the waters Sun could bring a few 25 kt gusts well outside of the bays. Otherwise a fairly quiet weekend on the coastal waters. SW flow will increase next week . though models tend to be too bullish with WAA over cold ocean. I favored a blend of the NBM and 10th percentile of the NBM wind in this period . which gives low end SCA gusts outside of the bays. That seems like a fair forecast at this range.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory until midnight EST tonight for ANZ150>152- 154.

NEAR TERM . Curtis SHORT TERM . Schroeter LONG TERM . Legro


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 4 mi51 min 26°F 37°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 14 mi31 min W 16 G 21 24°F 40°F2 ft1002.4 hPa8°F
WEXM1 - Wells Reserve, ME 31 mi81 min W 8.9 25°F 0°F
WELM1 - 8419317 - Wells, ME 32 mi51 min WNW 13 G 22 26°F 38°F1003.2 hPa
44030 - Buoy B0102 - Western Maine Shelf 38 mi77 min 40°F4 ft
44032 - Buoy E0104 - Central Maine Shelf 46 mi77 min W 18 G 23 24°F 41°F4 ft1001.3 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME6 mi30 minW 13 G 1810.00 miOvercast25°F3°F39%1002.6 hPa
Auburn-Lewiston, ME24 mi25 minN 910.00 miPartly Cloudy20°F3°F48%1003.5 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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1 day agoCalmW7W7W9W6SW3NW5NW8NW5N3NW3W5W4W4SW3W5NW8NW8NW14
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2 days agoNW24
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W9CalmW3SW6SW33S5S3SW3S4CalmSW3SW4SW5W33SE3CalmCalm

Tide / Current Tables for Presumpscot River Bridge, Maine
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Presumpscot River Bridge
Click for Map
Fri -- 12:18 AM EST     Moonrise
Fri -- 03:19 AM EST     10.36 feet High Tide
Fri -- 06:10 AM EST     Sunrise
Fri -- 09:47 AM EST     -0.44 feet Low Tide
Fri -- 09:49 AM EST     Moonset
Fri -- 04:00 PM EST     9.07 feet High Tide
Fri -- 05:35 PM EST     Sunset
Fri -- 08:32 PM EST     Last Quarter
Fri -- 10:04 PM EST     0.48 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.57.29.310.310.18.86.63.91.5-0.1-0.40.42.24.66.98.59.18.67.152.81.10.51

Tide / Current Tables for Doyle Point, Maine
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Doyle Point
Click for Map
Fri -- 12:18 AM EST     Moonrise
Fri -- 03:16 AM EST     10.26 feet High Tide
Fri -- 06:09 AM EST     Sunrise
Fri -- 09:40 AM EST     -0.37 feet Low Tide
Fri -- 09:48 AM EST     Moonset
Fri -- 03:57 PM EST     8.98 feet High Tide
Fri -- 05:34 PM EST     Sunset
Fri -- 08:32 PM EST     Last Quarter
Fri -- 09:57 PM EST     0.40 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.77.39.310.2108.66.43.71.3-0.1-0.30.62.44.878.598.46.94.72.50.90.41

Weather Map
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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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