Wednesday, December12, 2018 L-36.com


Marine Weather and Tides
Castine, 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 7:02AMSunset 3:56PM Wednesday December 12, 2018 2:23 AM EST (07:23 UTC) Moonrise 11:51AMMoonset 9:56PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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- 1056 Pm Est Tue Dec 11 2018
Overnight..N winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. A chance of snow showers.
Wed..N winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft.
Wed night..N winds 10 to 15 kt, becoming 5 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft in the evening, then 1 foot or less.
Thu..N winds 5 to 10 kt, becoming nw in the afternoon. Seas 1 foot or less.
Thu night..W winds 5 to 10 kt. Seas 1 foot or less.
Fri..SW winds 5 to 10 kt. Seas 1 foot or less.
Fri night..SW winds around 10 kt, becoming S with gusts up to 20 kt after midnight. Seas 1 foot or less, then 1 to 2 ft after midnight. A chance of rain.
Sat..S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 to 2 ft. A chance of rain.
Sat night..NE winds 5 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. A chance of showers.
Sun..NE winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Sun night..NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
ANZ100 1056 Pm Est Tue Dec 11 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. Weak low pressure over the gulf of maine tonight exits early Wednesday as a cold front moves through the waters. High pressure builds in Thursday. &&


7 Day Forecast for Marine Location Near Castine, ME
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location: 44.39, -68.8     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 120353
afdgyx
area forecast discussion
national weather service gray me
1053 pm est Tue dec 11 2018

Synopsis
A weak disturbance will cross the area tonight and early
Wednesday with clouds and snow mainly along the mid-coast. High
pressure then builds across the area late Wednesday through
Friday. Low pressure passes to our south Saturday, and could
bring some light rain to southern areas, with snow or rain
showers in the mountains.

Near term through Wednesday
1030 pm update... The snow associated with the inverted trough
has come to an end in the mid-coast region and have removed
likely pops in this update. Also tweaked sky conditions again
over southern new hampshire as clouds have continued to persist.

There may some snow showers in favored upslope areas as
northwest flow picks up Wednesday morning.

7 pm update... Inverted trough is now swinging through rockland
and mesoscale models show this feature moving a little quicker
out of our area towards downeast maine and have trimmed back
pops after 05z. A coating to up to 2 inches seems reasonable at
this time for areas along western penobscot bay. I also
increased sky cover over southern new hampshire based on
satellite imagery.

430 pm update... Quick update to increase pops in
the boothbay region for the next couple of hours as radar and
webcams indicate accumulating snowfall occuring in the area.

Short term Wednesday night through 6 pm Wednesday
As the trough kicks out out Wednesday, even colder air rushes
in on a northwest breeze. Dry on Wednesday other than a snow
shower or two in the mountains.

Long term Wednesday night through Tuesday
I don't have a lot of confidence in the long range models,
beyond Friday at least, as they will be dealing with several
weak closed systems at 500 mb that become separated from the
stronger NRN stream flow. Still, the overall trend across noam
of the coldest receding toward the arctic and siberia still
holds, which will mean a warming trend for the most part
beginning Friday and possibly extending into at least early next
week. While we may not get significantly above normal, it does
look like we stay normal to above thru this period.

Still, we start off cold Wed night. Should see good rad cooling
especially in inland valleys, although there may be enough n
flow to prevent full scale rad cooling closer to the coast. Lows
will like range from -10 to zero in the mtns, single digits
most other inland areas, to around 10 above near the coast and
in urban areas of SRN nh. Thu should be our last below normal
day day for a while, with mainly sunny skies. Light winds will
prevent much mixing however and highs will range from the mid
20s to low 30s n-s.

Will likely see some mid to high clouds move in for Thu night as
waa begins aloft, and lows will generally be in the 10-20
range. The flow shifts to SW on Friday and will like see a lot
of cirrus, but not enough to block the Sun completely, so
p sunny sounds good. Highs will range from the mid 30s N to low
40s in the s.

By Friday night, will see 500 mb closed low over the deep
south, with a deepening trough trough in the NRN stream diving
se across the great lakes. The interaction of these two system
will determine whether we get precip and how much. The 00z op
gfs soln of bringing the closed low poleward to our west and
then having sit over the NE CONUS seems to favor the closed low
a little too much as the dominant system, given the strong nrn
stream flow, so leaning toward the 00z euro at this point, which
does not phase with closed low, but give it a little tug
northward and elongates a bit. This should be enough to pull
some warmth and moisture northward and allow for some mid lvl
interaction between the systems, produce some light precip late
fri night into Saturday. Mostly this will be rain in SRN nh and
along the me coast, but could start as a bit snow further
inland, although there should be enough warm air that it turns
to rain in all but the far NRN zones. But, here, the QPF is
lowers, and precip may only amt to a few showers. Highs Sat will
be in the mid 30s to mid 40s N to s.

Leaning toward the euro for the rest of the forecast, which will
move precip out by Sat night, with fair conds sun-mon and highs
in the low 30s to low 40s, which is normal or slightly above.

Aviation 04z Wednesday through Sunday
Short term...

mainlyVFR. Sct MVFR between 04 and 10z Wed in mtn -shsn. Lcl
MVFR possible between 02z and 08z Wed vcnty of krkd in -shsn.

Gusty northerly sfc wind to 25 kt developing during the day wed.

Long term...VFR Wed night through fri. Some flight restrictions
expected late Fri night into Sat in low clouds and light rain.

Marine
Short term...

quiet into tonight under high pressure with winds and seas
below SCA thresholds. Gusty NW winds develop early Wednesday as
an ocean low passes well to our east. SCA wind gusts and seas
are likely to develop at that time.

Long term...

wind diminish Wed evening, and should stay below
sca levels through sat, although sca, and possibly gales may be
needed Sat night or Sunday.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.

Synopsis...

near term... Schroeter
short term...

long term...

aviation...

marine...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 25 mi79 min N 16 G 19 29°F 42°F2 ft1010 hPa
ATGM1 - 8413320 - Bar Harbor, ME 32 mi53 min NNE 7 G 11 27°F 40°F1011.5 hPa
44034 - Buoy I0103 - Eastern Maine Shelf 42 mi79 min NNE 19 G 29 31°F 47°F3 ft1009.5 hPa
MISM1 - Matinicus Rock, ME 42 mi83 min N 13 G 16 30°F 1010.2 hPa (-1.6)
MDRM1 - Mt Desert Rock, ME 46 mi23 min N 26 G 27 31°F 1009.9 hPa (-1.7)

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, ME23 mi27 minN 84.00 miLight Snow Fog/Mist23°F21°F92%1011.9 hPa

Wind History from BHB (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmS3E5SE5S5S4E3E4E5E5NE4N7N8N9N6N6N8
1 day agoW4W5NW4NW4NW3N5N7N8N8N6NW9N10
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N5NW6--NW46N3NW4W5W3W3NW3
2 days agoNW3CalmCalmCalmCalmCalmSW65W6W7SW5SW5SW11SW6SW4SW34SW7SW5SW6SW4SW4W4W4

Tide / Current Tables for Castine, Penobscot Bay, Maine
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Castine
Click for Map
Wed -- 02:04 AM EST     9.31 feet High Tide
Wed -- 07:01 AM EST     Sunrise
Wed -- 07:53 AM EST     1.62 feet Low Tide
Wed -- 10:50 AM EST     Moonrise
Wed -- 02:04 PM EST     10.13 feet High Tide
Wed -- 03:55 PM EST     Sunset
Wed -- 08:29 PM EST     0.66 feet Low Tide
Wed -- 08:56 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.38.89.38.97.55.53.421.62.23.75.889.510.19.78.36.23.81.80.80.81.83.5

Tide / Current Tables for Fort Point, Penobscot River, Maine
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Fort Point
Click for Map
Wed -- 02:05 AM EST     9.47 feet High Tide
Wed -- 07:02 AM EST     Sunrise
Wed -- 07:53 AM EST     1.65 feet Low Tide
Wed -- 10:50 AM EST     Moonrise
Wed -- 02:05 PM EST     10.31 feet High Tide
Wed -- 03:55 PM EST     Sunset
Wed -- 08:29 PM EST     0.67 feet Low Tide
Wed -- 08:55 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.48.99.59.17.75.63.52.11.72.33.85.98.19.710.39.98.56.33.81.80.80.81.83.6

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 (2,6,7,8)
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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.