Tuesday, September25, 2018 L-36.com


Marine Weather and Tides
Southwest Harbor, ME

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9/17/2018 XTide broke when 1and1 "upgraded" my server. It has been esculated. I am sorry for the problem.

Sunrise 6:25AMSunset 6:27PM Tuesday September 25, 2018 9:57 AM EDT (13:57 UTC) Moonrise 7:07PMMoonset 6:38AM Illumination 99% Phase: Full Moon; Moon at 15 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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ANZ052 Intra Coastal Waters From Schoodic Point, Me To Stonington, Me- 858 Am Edt Tue Sep 25 2018
.small craft advisory in effect from this evening through late tonight...
This afternoon..SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Isolated showers early. Scattered showers late.
Tonight..S winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Rain. Areas of fog after midnight. Vsby 1 to 3 nm, decreasing to 1 nm or less after midnight.
Wed..S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Light rain likely with a chance of drizzle in the morning, then a chance of showers in the afternoon. Areas of fog. Vsby 1 nm or less.
Wed night..SW winds 15 to 20 kt, becoming nw after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers. Patchy fog. Vsby 1 to 3 nm.
Thu..N winds 10 to 15 kt with gusts up to 25 kt, becoming E around 5 kt in the afternoon. Seas 2 to 4 ft.
Thu night..SE winds around 5 kt, becoming E after midnight. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight.
Fri..E winds around 5 kt, becoming se in the afternoon, then becoming sw. Seas 2 to 3 ft.
Sat..W winds around 5 kt, becoming light and variable. Seas 2 to 3 ft.
ANZ005 858 Am Edt Tue Sep 25 2018
Synopsis for eastport me to stonington me out 25 nm.. Canadian high pres will move E of the waters today. A warm front will cross the waters tonight. Low pres from the great lakes region will track nw of the region Wed and drag a cold front across the waters Wed night. High pres will cross the region Thu into Fri.


7 Day Forecast for Marine Location Near Southwest Harbor, ME
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location: 44.24, -68.35     debug


Area Discussion for - Caribou, ME
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Fxus61 kcar 251323
afdcar
area forecast discussion
national weather service caribou me
923 am edt Tue sep 25 2018

Synopsis
High pressure will move away to the east today and tonight as low
pressure begins to approach from the great lake. Low pressure will
track to our northwest on Wednesday and pull a cold front across the
area Wednesday night.

Near term through tonight
920 am update: classic warm frontal conditions will exist today
into Wednesday morning as the cool canadian high is overrun by
a much warmer and moist air mass from the ohio river valley.

Clouds will thicken and lower today and precip will arrive from
west to east in the mid to late afternoon. Gusty winds will
develop this afternoon with the increasing pressure gradient on
the backside of the high and an arriving LLJ with the cold
front. Some gusts to 35 kts are possible in northern zones this
afternoon and can't rule out a few power outages given the
leaves remaining on the trees. The heavier precip with the warm
front will be towards the coast. Reviewed the threat of thunder,
but opted not to include it as elevated instability looks weak.

There's a better chance later in the night with warm frontal
passage for the entire area, but will hold off including it in
the grids. Did include a mixture of light rain, drizzle and fog
with the warm front into the morning as dew points surge into
the mid to upper 60s. Not expecting much surface heating with
the cold front later in the afternoon, but there's some sbcape
and a lot of shear to organize a line... Enough to warrant
mention of a chance of thunderstorms with gusty winds. May opt
to include locally heavy rain too given the pws and high dew
points.

Orgnl disc: fair skies and light winds erly this morn will give
way to increasing cldnss and winds by aftn as the sfc pres grad
increases between retreating sfc hi pres to our E and advcg sfc
low pres from the great lks. Wind gusts could exceed 30 mph ovr
some areas this aftn, but not quite enough to issue a wind adv
attm. After recovering to near seasonal hi temps this aftn from
chilly erly morn temps, temps will hold steady late this aftn
and this eve as steady warm advcn rnfl ovrsprds the area. In
fact, temps will likely rise during the late ngt hrs with conts
breezy S winds as mdtly strong llvl warm advcn increases to
overwhelm typical nocturnal temp falls. The most sig rnfl of
around 0.75 inches during the first phase of this rn event until
8 am Wed will most likely fall alg the coast which will be just
n of a developing coastal front, with lesser rnfl amts further
n. Xcpt for perhaps the immediate coast late tngt, breezy S to
se llvl winds will likely keep much in the way of fog from
forming ovr the rgn ovrngt, but will keep ovrngt lows from
falling below 50 deg f at most lctns.

Short term Wednesday through Thursday
High pressure well east of the area combined with low pressure to
the northwest and an approaching cold front will maintain a strong
southerly breeze, overcast skies and some showers on Wednesday. Most
of the rain will be light along with some drizzle. However, a band
of heavier showers will approach western areas at the end of the day
ahead of an approaching cold front. The front will push into the
region Wednesday evening. Convergence along the front combined with
lift from the approaching upper trough will produce a band of
heavier showers with the front Wednesday evening with most of the
rain across the north. Some isolated thunderstorms are possible
along or just ahead of the front, and given the strong winds
aloft, any convection could result in briefly strong gusty
winds. The front will push southeast of the area after midnight
Wednesday night and high pressure will quickly build in behind
the front. The high will quickly build over the Thursday
bringing sunshine and cool dry air.

Long term Thursday night through Monday
Thursday night will be mainly clear and cool as surface high
pressure remains across the area. The high will slide to the south
on Friday with dry weather continuing. Downeast will likely be
mostly sunny. However, some clouds may stray across the north as a
weather disturbance lifts northeast of the area. A large longwave
trough will remain anchored over north central north america at the
end of the week. Some weather disturbances sliding through this
trough will cross the area over the weekend with one passing through
late Saturday into Saturday night. However, these disturbances are
only expected to bring some patchy clouds with no major storms seen
digging over the area through the coming weekend. A new push of high
pressure will build in on Sunday bringing sunshine and colder air.

Clouds will increase Monday and a new low forming over the great
lakes may approach to bring some rain Monday night into Tuesday.

Aviation 13z Tuesday through Saturday
Near term:VFR all TAF sites for most of tdy, then lowering to
MVFR clgs with advcg rnfl from the W and then to low MVFR ifr
clgs MVFR vsbys in steadier rn ovrngt and lgt rn patchy dz late
tngt.

Short term: ifr conditions in low clouds and some showers are
expected Wednesday into Wednesday evening. Wind shear for ssw
winds around 45 kt at 2k ft is likely Wednesday into Wednesday
evening. Conditions will becomeVFR following the cold front
after midnight.VFR conditions will then likely persist Thursday
through Saturday.

Marine
9am update... While SCA conditions may be realized by early this
afternoon, the bigger concern was the arrival of gale conditions
this evening through a good part of the night and have issued a
gale warning for the outer waters. The intracoastal waters
around penobscot bay will retain the sca.

Near term: winds and seas will ramp up to SCA by late aftn and
cont so thru tngt. Rain and patchy fog will lower vsbys ovrngt.

Otherwise kept close with ww3 guidance for fcst WV hts with
xpctd WV pds from 4 to 7 sec in short fetch wvs.

Short term: a SCA will likely continue Wednesday into Wednesday
evening for southerly winds gusting up to 30 kt. The wind
should drop below SCA Thursday. However, seas will still be near
5 ft in response to the southerly wind. Winds and seas should
then be below SCA Thursday night through the coming weekend.

Car watches warnings advisories
Me... None.

Marine... Small craft advisory from 10 pm this evening to 6 am edt
Wednesday for anz052.

Gale warning from 10 pm this evening to 6 am edt Wednesday for
anz050-051.

Near term... Vjn
short term... Bloomer
long term... Bloomer
aviation... Vjn bloomer
marine... Vjn bloomer


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ATGM1 - 8413320 - Bar Harbor, ME 13 mi46 min 55°F 56°F1037.4 hPa
44034 - Buoy I0103 - Eastern Maine Shelf 16 mi114 min SE 14 G 18 56°F 55°F3 ft1036.6 hPa
MDRM1 - Mt Desert Rock, ME 22 mi58 min ESE 18 G 20 56°F 1037.3 hPa (+0.5)
44033 - Buoy F0103 - West Penobscot Bay 37 mi114 min SSE 14 G 16 56°F 58°F2 ft1036.1 hPa
MISM1 - Matinicus Rock, ME 41 mi58 min SE 19 G 21 57°F 1035.7 hPa (-0.5)

Wind History for Bar Harbor, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bar Harbor, Hancock County-Bar Harbor Airport, ME15 mi62 minN 010.00 miMostly Cloudy49°F44°F83%1038 hPa

Wind History from BHB (wind in knots)
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Last 24hrNE11NE4N7N1043--SW10S6SW3CalmCalmCalmCalmN3N3N4CalmN3N4N6N4N3Calm
1 day agoSE4S10S9S12S11S11SW13SW11SW6SW7SW5SW3CalmN11N13N10
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NW5W4W3CalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmCalmCalm

Tide / Current Tables for Bass Harbor, Mount Desert Island, Maine
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Mackerel Cove, Maine
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Tide / Current data from XTide NOT FOR NAVIGATION
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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 Caribou, ME (9,2,3,4)
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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.