Saturday, January23, 2021
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Marine Weather and Tides
Bartlett, NH

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:08AMSunset 4:47PM Saturday January 23, 2021 2:23 AM EST (07:23 UTC) Moonrise 1:24PMMoonset 3:41AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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- 1053 Pm Est Fri Jan 22 2021
.small craft advisory in effect from 7 am est Saturday through Sunday afternoon...
Overnight..NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less, then around 2 ft. A slight chance of snow showers late this evening with vsby 1 to 3 nm.
Sat..NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 2 ft.
Sat night..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 1 to 2 ft.
Sun..NW winds 15 to 25 kt with gusts up to 35 kt. Seas 2 to 3 ft. Light freezing spray.
Sun night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 1 to 2 ft. Light freezing spray.
Mon..NW winds around 10 kt. Seas 1 foot or less. Light freezing spray in the morning.
Mon night..N winds 5 to 10 kt. Seas 1 foot or less.
Tue..N winds around 10 kt. Seas 1 foot or less.
Tue night..N winds 10 to 15 kt. Seas 1 to 2 ft in the evening, then 1 foot or less.
Wed..N winds 10 to 15 kt. Seas 1 to 2 ft.
Wed night..N winds 10 to 15 kt. Seas 1 to 2 ft.
ANZ100 1053 Pm Est Fri Jan 22 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. SEveral rounds of snow showers and squalls will be possible over the coastal waters this evening into early tonight. Strong cold air advection is expected Saturday along with increasing winds and seas. Gale force conditions will be possible at times. Winds and seas gradually diminish on Sunday.


7 Day Forecast for Marine Location Near Bartlett, NH
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location: 44.07, -71.28     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 230358 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1058 PM EST Fri Jan 22 2021

SYNOPSIS. A cold front moves in from the northwest this evening, bringing snow showers and a shift toward colder temperatures for at least a few days, but even these will be near or just a little below normal. Low pressure tracks south of New England on Tuesday and brings a chance of snow, mainly over southern areas.

NEAR TERM /UNTIL 6 AM SATURDAY MORNING/. 1055 PM Update . Just a few minor adjustments to the forecast for the overnight hours based on latest trends in observational data. Gradual clearing is taking place downwind of the mountains, and this should slowly continue overnight. Scattered snow showers are expected for the next few hours before waning.

615 PM Update . Just a few minor changes to the going forecast at this hour. Adjusted PoPs a little bit based on latest radar returns. There will be scattered snow showers and a few squalls for the next couple of hours, but any activity should wane mid- evening.

Previously .

Impacts: Brief reductions in visibility and slick roads will be possible in any heavier snow showers/squalls this evening and tonight.

A shortwave will slowly rotate through the region through tomorrow morning, bringing with it plenty of clouds and some scattered snow showers. An associated cold front will also bring cooler temperatures. An area of snow showers is currently moving through portions of central NH and western ME and will continue to push south and east. High- res guidance has trended toward a drier and less organized solution throughout the day, but still cannot rule out a few snow squalls this evening into early tonight. Squalls and other heavier snow showers could cause brief reductions in visibility and slick roads, particularly later this evening and early tonight as temperatures fall rather quickly behind the wave. Lows will range from the positive single digits north to the upper teens south.

SHORT TERM /6 AM SATURDAY MORNING THROUGH SATURDAY NIGHT/. Impacts: Scattered show showers possible in the mountains. Breezy winds beginning Saturday afternoon and continuing through Saturday night with wind chill values below zero likely throughout the region Saturday night.

Any precipitation in the short term is expected to be limited to the mountains, but it will be breezy and colder. High pressure will attempt to build into New England, but it will be running into a potent low pressure system over Newfoundland and far eastern Quebec. This will allow winds to become gusty later Saturday morning and continuing through Saturday night. High temperatures will be several degrees colder than Friday,ranging from the lower teens north to the mid 20s south. As mentioned, Saturday night will be quiet except for a stray snow shower in the mountains, but the winds will remain gusty as lows drop to near zero north and into the positive single digits and lower teens south. This will push wind chill values Saturday night down below zero all the way into southern NH and southwestern ME.

LONG TERM /SUNDAY THROUGH FRIDAY/. It says a lot about how anomalous a northern hemisphere winter is, when you can disrupt the polar vortex in mid-late January and barely get temps below normal in New England. Yet, that is the state of the atmosphere this winter, and as we head into the last week of January will see a mean trough across the Ern 2/3 of the CONUS, although it will be very shallow and also dry, so there will be only minor disturbances and temps running on the cool side of normal in the period and probably on the warm edge of normal later in the week.

Sunday will be blustery and cold with highs in the teens N, to the mid to upper 20s in the S. Upslope clouds and SHSN will dominate the mtns in the morning, but should begin to diminish later in the day. In the downslope it should be mainly sunny. Daytime wind chills will run from near zero in the mtns to 10-15 in the south. The NW flow persists Sunday night into Monday, but will be lighter, with lows Sunday night the single digits in the N to 10-15 in the south, but highs on Monday turn a little warmer rising into the 20s to low 30s under mainly clear skies.

Low pressure passes south of New England on Tuesday, and for now models are trending away from the CWA, although there is some possibility it could produce some light snow in srn areas. Another trough pushes in from the W behind this system, and may drop temps back by a few degrees for Wed-Thu, but it should be dry.

AVIATION /04Z SATURDAY THROUGH WEDNESDAY/. Short Term . Light snow showers remain possible at all terminals through early tonight, coming to an end from west to east a little after midnight. Otherwise, VFR conditions generally expected through the short term except at HIE. Winds become gusty out of the northwest late Saturday morning and continue through Saturday night.

Long Term . Mainly VFR. Some flight restrictions possible Tuesday at KCON/KMHT/KPSM in light SN.

MARINE. Short Term . Gales have been issued for all waters except for Casco Bay, from midday Saturday into Sunday.

Long Term . Persistent NW flow likely to produce SCA winds thru much of the period, starting out as gales on Sunday. Also expect light freezing spray at times Sunday into Sunday night.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory from 7 AM Saturday to 4 PM EST Sunday for ANZ153. Gale Warning from 2 PM Saturday to noon EST Sunday for ANZ150>152-154.



NEAR TERM . Ekster/Watson SHORT TERM . Watson LONG TERM . Cempa


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 62 mi54 min 31°F 39°F
WELM1 - 8419317 - Wells, ME 64 mi54 min NW 5.1 G 7 31°F 40°F1008.1 hPa
WEXM1 - Wells Reserve, ME 64 mi84 min W 1.9 31°F 24°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mount Washington, NH15 mi91 minWNW 440.00 miLight Snow Freezing Fog Blowing Snow and Windy-2°F-2°F100%0 hPa
Fryeburg, Eastern Slopes Regional Airport, ME19 mi30 minW 11 G 1710.00 miOvercast26°F10°F51%1008.3 hPa
Whitefield - Mount Washington Regional Airport, NH24 mi32 minWSW 510.00 miOvercast19°F10°F68%1009.5 hPa

Link to 5 minute data for KMWN

Wind History from MWN (wind in knots)
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Tide / Current Tables for Back Cove, Maine
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Back Cove
Click for Map
Sat -- 12:35 AM EST     1.74 feet Low Tide
Sat -- 02:36 AM EST     Moonset
Sat -- 06:50 AM EST     8.22 feet High Tide
Sat -- 07:05 AM EST     Sunrise
Sat -- 12:20 PM EST     Moonrise
Sat -- 01:24 PM EST     1.22 feet Low Tide
Sat -- 04:40 PM EST     Sunset
Sat -- 07:31 PM EST     7.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.82.53.85.5788.27.76.54.83.21.91.31.42.23.75.36.57.27.26.55.23.7

Tide / Current Tables for Fore River, Maine
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Fore River
Click for Map
Sat -- 12:31 AM EST     1.79 feet Low Tide
Sat -- 02:36 AM EST     Moonset
Sat -- 06:50 AM EST     8.47 feet High Tide
Sat -- 07:06 AM EST     Sunrise
Sat -- 12:20 PM EST     Moonrise
Sat -- 01:20 PM EST     1.26 feet Low Tide
Sat -- 04:40 PM EST     Sunset
Sat -- 07:31 PM EST     7.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.92.645.77.38.28.57.96.74.93.21.91.31.42.33.85.56.77.47.46.75.33.7

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station




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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.