Tuesday, December18, 2018 L-36.com


Marine Weather and Tides
Belfast, ME

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:06AMSunset 3:57PM Tuesday December 18, 2018 5:25 AM EST (10:25 UTC) Moonrise 2:32PMMoonset 3:06AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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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ANZ151 Penobscot Bay- 238 Am Est Tue Dec 18 2018
.gale warning in effect through this evening...
Today..NW winds 20 to 30 kt with gusts up to 40 kt. Seas 2 to 4 ft.
Tonight..NW winds 20 to 25 kt, diminishing to 10 to 20 kt after midnight. Gusts up to 35 kt. Seas around 2 ft.
Wed..NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 1 foot or less.
Wed night..W winds 5 to 10 kt. Seas 1 foot or less.
Thu..W winds around 5 kt, becoming sw in the afternoon. Seas 1 foot or less.
Thu night..S winds 5 to 10 kt. Seas 1 foot or less. A chance of rain after midnight.
Fri..SE winds 10 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain.
Fri night..SE winds 10 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. Rain.
Sat..S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
Sat night..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
ANZ100 238 Am Est Tue Dec 18 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. A northwesterly flow will continue today as an intense area of low pressure continues to exit through the canadian maritimes and high pressure builds in from the west. This high will crest over the region Wednesday before the next system arrives at the end of the week and into the early part of the weekend. &&


7 Day Forecast for Marine Location Near Belfast, ME
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location: 44.42, -69.01     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 180735
afdgyx
area forecast discussion
national weather service gray me
235 am est Tue dec 18 2018

Synopsis
An intense area of low pressure will continue to exit through
the canadian maritimes as high pressure builds in from the west
bringing much colder air into the region. High pressure and
fair weather follows for midweek before another potential storm
system arrives around Friday into Saturday. More high pressure
builds into new england Sunday and Monday.

Near term through today
Very strong wind gusts in association with the cold frontal
passage have shifted south of the region. The northwest gradient
will become aligned through a deep layer today, allowing for
wind gusts in the 35 to 40 mph range to continue with higher
gusts in the mountains.

Mesoscale models suggest upslope snow showers will continue
today, especially during the morning hours. This may allow for
up to an inch of new snow across the higher, northwest facing
terrain. Clearing will take hold over the downslope areas in our
region.

Not expecting too much of a diurnal range today as the cold air
pushes into the region. H8 temperatures around -16c in the north
will keep that area in the teens with low wind chill values. 20s
will be the rule over southern areas.

Short term tonight through 6 pm Wednesday
The wind relaxes tonight as the northwest gradient eases. Most
areas however will continue with a breeze, allowing for a mixed
layer and temperatures ranging from the single numbers in the
north to the teens in the south.

More dry conditions expected on Wednesday as the ridge of high
pressure crests over the area. As warm air begins to travel
around the periphery of the ridge, temperatures will be on the
rebound with readings above freezing over many southern areas.

This warm air advection will also bring some mid and high level clouds
into the region during the afternoon hours.

Long term Wednesday night through Monday
Ensemble and deterministic model solutions are now in good
agreement on the long wave pattern into early next week. We begin
the period with rising heights and ridging across the northeast
conus. This in direct response to earlier upstream phasing of
northern and southern stream energy that carves out a full
latitude trough over the central conus. This trough will translate
east and eventually go negative tilt before shearing out into the
maritimes by late in the upcoming weekend. In its wake... We're
left with a fast nearly zonal flow and difficult to time embedded
shortwaves through early next week. In the dailies... An offshore high
pressure area and mild return flow will push temperatures above
normal on Thursday. By Thursday night... Low pressure over the
gulf states begins to track northward along the spine of the appalachians.

The northern edge of the precipitation shield likely reaches much
of new hampshire and southwest maine by daybreak Friday. While we
should be warm enough aloft for rain... Surface temperatures may
be cold enough for some light freezing rain... Especially away from
the coast. The intensifying surface low tracks northward through
the eastern great lakes Friday and Friday night delivering a
healthy slug of rain as the system taps both gulf and atlantic
moisture. By Saturday morning... The low moves into quebec province
with steadier rain ending as the trailing cold front sweeps
across the area and offshore. Lingering showers across the higher
terrain will transition to snow showers as colder air begins to
flood back in to the area. A ridge of high pressure gradually
builds east into new england for Sunday and Sunday night. The
next weak system will cross the area early next week with clouds
and scattered snow showers.

Aviation 07z Tuesday through Saturday
Short term... Scattered snow showers will continue in the
mountains today. Otherwise it will mainly be dry downwind of the
mountains. A strong, gusty northwesterly flow will continue
today before diminishing this evening.

Long term...

fri... Widespread ifr in rain and fog... With areas of light
freezing rain psb Friday morning away from the coast.

Sat... Areas of MVFR in -shra and mtn -shsn.

Marine
Short term... Gale force winds to continue over the waters into
this evening as a strong northwest flow remains.

Long term...

fri... Gales are likely.

Sat... Sca's are psb outside the bays.

Tides coastal flooding
An onshore flow and high astronomical tides could combine to
produce some beach erosion and coastal flooding during the mid morning
high tide on Saturday.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Gale warning until 4 pm est this afternoon for anz153.

Gale warning until 7 pm est this evening for anz150>152-154.

Near short term... Cannon
long term... Schwibs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 25 mi82 min NW 23 G 29 28°F 42°F3 ft995.3 hPa
ATGM1 - 8413320 - Bar Harbor, ME 43 mi56 min NW 26 G 30 27°F 38°F993.8 hPa
MISM1 - Matinicus Rock, ME 45 mi86 min WNW 39 G 44 29°F 995.3 hPa (+2.1)

Wind History for Bar Harbor, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rockland, Knox County Regional Airport, ME24 mi30 minWNW 17 G 254.00 miLight Snow23°F18°F81%998.2 hPa

Wind History from RKD (wind in knots)
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1 day agoCalmSW3NE4--NE3NE6N6NE8--NE10NE8
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2 days agoW6W6W5W7NW9
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65W3SW33CalmCalmCalm3Calm34N3N3CalmCalmCalm

Tide / Current Tables for Belfast, Penobscot River, Maine
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Belfast
Click for Map
Tue -- 12:27 AM EST     1.13 feet Low Tide
Tue -- 02:05 AM EST     Moonset
Tue -- 06:47 AM EST     10.10 feet High Tide
Tue -- 07:07 AM EST     Sunrise
Tue -- 01:05 PM EST     0.96 feet Low Tide
Tue -- 01:31 PM EST     Moonrise
Tue -- 03:57 PM EST     Sunset
Tue -- 07:14 PM EST     9.47 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.32.34.16.48.59.810.19.47.85.53.21.611.42.74.878.79.49.2863.7

Tide / Current Tables for Castine, Penobscot Bay, Maine
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Castine
Click for Map
Tue -- 12:28 AM EST     1.15 feet Low Tide
Tue -- 02:04 AM EST     Moonset
Tue -- 06:50 AM EST     10.01 feet High Tide
Tue -- 07:06 AM EST     Sunrise
Tue -- 01:06 PM EST     0.98 feet Low Tide
Tue -- 01:31 PM EST     Moonrise
Tue -- 03:57 PM EST     Sunset
Tue -- 07:17 PM EST     9.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.32.246.38.39.7109.37.85.53.31.611.42.74.76.98.69.39.1863.7

Weather Map and Satellite Images
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GOES 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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Wind Forecast for Gray/Portland, ME (5,6,7,8)
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Ground Weather Radar Station Portland, ME
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Disclaimer:
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 numerious 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.