Tuesday, January19, 2021
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Marine Weather and Tides
Brunswick Station, ME

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 7:06AMSunset 4:34PM Tuesday January 19, 2021 1:28 PM EST (18:28 UTC) Moonrise 11:43AMMoonset 12:00AM Illumination 38% Phase: Waxing Crescent; Moon at 6 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- 1228 Pm Est Tue Jan 19 2021
This afternoon..W winds around 5 kt. Seas 1 foot or less.
Tonight..W winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight.
Wed..NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas around 2 ft.
Wed night..NW winds 10 to 15 kt, becoming 5 to 15 kt after midnight. Gusts up to 25 kt. Seas 1 to 2 ft.
Thu..SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon.
Thu night..W winds 5 to 10 kt. Seas 1 to 2 ft.
Fri..NW winds 5 to 10 kt. Seas 1 to 2 ft in the morning, then 1 foot or less.
Fri night..N winds 5 to 10 kt. Seas 1 foot or less.
Sat..NW winds 10 to 15 kt. Seas around 2 ft.
Sat night..NW winds 15 to 20 kt. Seas 2 to 3 ft.
ANZ100 1228 Pm Est Tue Jan 19 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. Winds and seas diminish today but strengthening cold air advection over the waters Wednesday will increase winds and then seas again. Another system will cross the waters late in the week and likely continue gusty winds and hazardous seas.


7 Day Forecast for Marine Location Near Brunswick Station, ME
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location: 43.79, -69.89     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 191730 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1230 PM EST Tue Jan 19 2021

SYNOPSIS. A clipper system will approach today bringing a chance for snow showers tonight into Wednesday. High pressure cross the area Wednesday night followed by another weak system late Thursday into Friday. High pressure builds in for the latter half of the weekend.

NEAR TERM /THROUGH TONIGHT/. 1230 PM Update . Minor update to account for latest conditions and near term forecast parameters. Radar and surface reports indicate snow is already falling across portions of Vermont. Dry air in place per 12Z GYX sounding will slow the forward progress of this precipitation into New Hampshire and Maine. Nevertheless, have upped pops over western New Hampshire for later this afternoon.

921 AM Update . Satellite imagery and latest mesoscale models suggest clouds will continue to gradually increase and thicken today across the forecast area.Some snow shower activity shown on radar imagery over update New York should move east, reaching western portions of our forecast area towards sunset. Some of this precipitation will encounter dry air which is situated over Maine and New Hampshire.

Made minor adjustments to the near term forecasts of temperature, winds and clouds.

630 AM Update . Only minor tweaks to near term temperature and sky forecast based on latest trends. Rest of the forecast remains on track.

A clipper area of low pressure will approach from the Great Lakes today bringing partly to mostly cloudy skies. This system will bring areas of snow showers, but these should hold off until later this evening. High temperatures will be near normal ranging from the teens north to low 30s south.

Chances for snow showers increase tonight as the surface low dives SE over the area. An upper trough will be to our west and this may aid in the development of an inverted near the mid- coast. Snow showers will be most prevalent in the mountains with the aid of terrain enhancement as well as in eastern zones with the potential from the enhancement of an inverted trough. Accumulations will be light with a couple inches possible in the mountains and the potential for a coating to an inch across eastern zones that may impact the morning commute. Temperatures overnight will drop into the teens north to mid 20s south.

SHORT TERM /WEDNESDAY/. Snow shower activity will continue Wednesday as the upper trough axis swing through the area. Again, the mountains will see the most widespread activity and the potential to achieve any accumulation. NW winds will pick up Wednesday afternoon in the wake of the system with gusts around 20 mph. Highs will range from the teens north to low 30s near the coast.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. Overview: Little change to the overall pattern with the Nrn stream continuing to dominate the extended. That will keep frequent chances for light precip going thru the weekend. Temps overall will be much cooler than they have been . but near normal for this time of year.

Impacts: The most noticeable sensible wx will be the change in temps to those more typical of mid winter. Nothing bitter but normal wintertime temps. The best chance for wx impacts will likely be late Thu into Fri as a stronger Nrn stream S/WV trof crosses the area. A clipper type system that should deliver fairly widespread light precip . but accumulation most likely in the mtns at this time.

Forecast Details: Starting the period a narrow ridge of high pressure will translate across the region Thu. This will quickly give way to the next S/WV diving out of Canada. I am leaning more towards the high PoP/low QPF event with this wave as it passes. The National Blend of Models has no meaningful PoP on Fri . so I have blended in more raw model guidance to bring at least slight chance PoP to the whole forecast area. I have also brought some low likely PoP to the areas N of the White Mtns . as some upslope snow showers seems like a safe bet. While the surface low will be weakening with time . the areas along and N of the track also have a chance to see more than snow showers or a dusting of snow so PoP is also a little higher there.

Colder high pressure settles into the area for the weekend. Temps may struggle to climb out of the 20s . which will feel cold but is right around normal.

Pattern across CONUS will become a little more amplified heading into early next week. This will open up the opportunity for more Srn stream interaction locally and chances for higher moisture content air masses moving into the region.

AVIATION /18Z TUESDAY THROUGH SUNDAY/. Short Term . Mainly VFR through this evening. Lowering cigs and -SHSN will bring MVFR to IFR conditions to KHIE tonight into Wednesday with pockets of MVFR elsewhere in -SHSN.

Long Term . In general VFR conditions are expected across much of the area thru the first half of the weekend. The best chance for flight restrictions looks to be late Thu into Fri as a wave crosses the area. SHSN will be more likely in the mtns . including HIE . but the chance for a SHSN will there at all terminals.

MARINE. Short Term . Winds and seas will remain below SCA thresholds into Wednesday. Winds and seas will approach SCA conditions Wednesday afternoon as NW winds pick up in the wake of a passing weak system.

Long Term . Another round of CAA expected Fri into the weekend. So after a period of diminished winds and seas Thu . SCA conditions are expected at least outside of the bays late Fri into Sun.

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

JC/WW


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 21 mi58 min 33°F 40°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 23 mi38 min Calm G 1.9 30°F 42°F1 ft1012.9 hPa12°F
44032 - Buoy E0104 - Central Maine Shelf 29 mi84 min NW 7.8 G 12 29°F 43°F2 ft1013.3 hPa
WEXM1 - Wells Reserve, ME 47 mi88 min NW 5.1 32°F 10°F
WELM1 - 8419317 - Wells, ME 48 mi58 min NNW 5.1 G 8 33°F 42°F1013.4 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wiscasset Airport, ME15 mi35 minWNW 710.00 miFair32°F4°F30%1013.2 hPa
Portland, Portland International Jetport, ME24 mi37 minW 710.00 miPartly Cloudy33°F13°F43%1013.2 hPa

Link to 5 minute data for KIWI

Wind History from IWI (wind in knots)
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W7NW74CalmCalm43NW5Calm4--3CalmW33CalmCalm33544NW7
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Tide / Current Tables for Cundy Harbor, New Meadows River, Maine
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Cundy Harbor
Click for Map
Tue -- 03:25 AM EST     8.46 feet High Tide
Tue -- 07:07 AM EST     Sunrise
Tue -- 09:29 AM EST     1.13 feet Low Tide
Tue -- 10:42 AM EST     Moonrise
Tue -- 03:40 PM EST     8.35 feet High Tide
Tue -- 04:33 PM EST     Sunset
Tue -- 09:53 PM EST     0.91 feet Low Tide
Tue -- 11:29 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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467.68.48.37.35.63.72.11.21.22.13.75.67.28.28.37.66.14.22.41.20.91.4

Tide / Current Tables for Lowe Point (northeast of), Sasanoa River, Maine Current
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Lowe Point (northeast of)
Click for Map
Tue -- 01:17 AM EST     1.44 knots Max Flood
Tue -- 05:18 AM EST     -0.00 knots Slack
Tue -- 07:07 AM EST     Sunrise
Tue -- 07:25 AM EST     -1.52 knots Max Ebb
Tue -- 10:41 AM EST     Moonrise
Tue -- 11:17 AM EST     0.00 knots Slack
Tue -- 01:30 PM EST     1.23 knots Max Flood
Tue -- 04:32 PM EST     Sunset
Tue -- 05:24 PM EST     -0.00 knots Slack
Tue -- 07:44 PM EST     -1.73 knots Max Ebb
Tue -- 11:29 PM EST     Moonset
Tue -- 11:41 PM EST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.41.41.210.3-0.8-1.5-1.4-1.1-0.8-0.20.61.21.210.80.3-0.6-1.5-1.7-1.4-1-0.5

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.
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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.