Friday, December15, 2017 L-36.com


Marine Weather and Tides
Castine, ME

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:04AMSunset 3:56PM Friday December 15, 2017 6:48 PM EST (23:48 UTC) Moonrise 5:17AMMoonset 3:41PM Illumination 6% Phase: Waning Crescent; Moon at 27 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- 533 Pm Est Fri Dec 15 2017
Tonight..NW winds around 5 kt, becoming N with gusts up to 20 kt after midnight. Seas 1 to 2 ft. A slight chance of snow showers this evening, then a chance of snow showers after midnight. Vsby 1 to 3 nm.
Sat..NW winds 5 to 10 kt, becoming W 5 to 15 kt with a few gusts up to 25 kt in the afternoon. Seas 1 foot or less.
Sat night..NW winds 10 to 20 kt with gusts up to 30 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 1 foot or less.
Sun..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less.
Sun night..N winds 5 to 10 kt. Seas 1 foot or less.
Mon..N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas 1 foot or less. A chance of snow showers. A chance of showers in the afternoon. Vsby 1 to 3 nm.
Mon night..NW winds around 5 kt. Seas 1 foot or less. A chance of snow showers in the evening with vsby 1 to 3 nm.
Tue..SW winds 5 to 15 kt with gusts up to 25 kt. Seas 1 to 2 ft.
Tue night..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Wed..W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft.
Wed night..NW winds 15 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft.
ANZ100 533 Pm Est Fri Dec 15 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. Northwest winds pick up behind a cold front on Saturday. High pressure builds across the gulf of maine Sunday and Sunday night. Weak low pressure passes across northern me on Monday. A cold front moves across the waters Tuesday night and Wednesday.

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 152236
afdgyx
area forecast discussion
national weather service gray me
536 pm est Fri dec 15 2017

Synopsis
Weak low pressure to our north and south will provide clouds,
and maybe a few snow showers or flurries tonight into early
Saturday. High pressure builds in on Sunday, for a pleasant,
but chilly day. Two weak waves will move through early next
week bringing some rain and snow showers, as well as some warmer
air. It cools down again toward the end of the week.

Near term until 6 am Saturday morning
535 pm update... Little change to the going forecast other than
lowering temperatures for the next several hours based on
observational trends. Otherwise, some snow showers are expected
in the far interior tonight in association with a short wave
trough. In addition, a more southern short wave trough could
allow some snow showers to graze southernmost and easternmost
zones tonight as well. The rest of the region should expect
cloudy conditions with perhaps a few flurries. Winds will be
light this evening.

Previously...

expect increasing clouds tonight as a pair of shortwave troughs
pass through the area, one to the south and one to the north.

The one to the south is already producing light snow over
southern new york and moving into southern new england. Have
included mainly slight chance pops for this light snow as it
could bring a few flakes to southern new hampshire and coastal
maine overnight. Further to the north, another wave will bring
increasing clouds and perhaps a few mountain snow showers
overnight and into tomorrow morning. With cloud cover widespread
tonight, expect lows in the teens and single digits.

Short term 6 am Saturday morning through Saturday night
Slightly warmer air makes a brief appearance on Saturday ahead
of an approaching cold front. Temperatures may rise into the 30s
in southern and coastal areas. Upslope snows continue in the
mountains as the front arrives. Drier air moving in with high
pressure Saturday night should bring the upslope snows to an
end with temperatures falling back into the single digits and
teens again, but a few degrees colder than tonight.

Long term Sunday through Friday
At 500 mb, flow becomes fast and zonal through a good part of
next week along much of the us canada border, with several
fast-moving and weak waves moving through new england. So for
the most part there will be some threats for precip but no
significant storms , with temps moderating mostly to near or a
little above normal.

Sunday will see surface ridge over the region shifting east.

The day should start sunny with high clouds thickening late.

Sunday will likely be the coldest day in the long range with
highs in the 20s.

Sunday night will see approach of the first of several waves,
and this one will be weak with little dynamic forcing, and lots
of low level dry air, so, it could produce a round of snow
showers starting late Sunday night, into Monday. Highs on Monday
look to be a few degrees warmer than Sunday but still in the
20s, except low 30s in SE nh. The one thing this system will do
is allow warmer air in from the SW behind it. So although
another wave quickly follows on its heels for Tuesday, temps
will rise into the 30s and low 40s on Tuesday with a threat of
snow or rain showers, mainly in the mountains. This system will
push a cold front through Tue night.

Wednesday looks cooler with upslope shsn in the mtns, and highs
in the upper 20s N to mid to upper 30s in the south, and thu
will likely be a little cooler with surface ridge overhead,
light winds and little mixing, with highs in the 20s to low 30s.

Friday may end up dry, but another system approaches from the
west which could affect late Friday into Saturday.

Aviation 00z Saturday through Wednesday
Short term...VFR expected with light winds. May see some light
snow arrive late tonight into tomorrow in the mountains as a
cold front moves in - as well as on the mid coast of maine.

Long term... MainlyVFR Sunday through wed, although could see
tempo flight restrictions in shsn Monday, and shrasn on tue.

Marine
Short term... Although winds are light now, a cold front will
drop through and bring stronger winds by morning, with advisory
conditions expected on Saturday.

Long term... Winds seas relatively tranquil Sunday through
Tuesday, but may need SCA by Tue night into wed.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Small craft advisory from 6 am to 11 pm est Saturday for
anz150-152-154.

Near term update... Mle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 25 mi105 min NW 5.8 G 7.8 25°F 44°F2 ft1013.9 hPa
ATGM1 - 8413320 - Bar Harbor, ME 32 mi49 min WNW 4.1 G 6 24°F 41°F1013.9 hPa (-1.0)
44034 - Buoy I0103 - Eastern Maine Shelf 42 mi105 min W 9.7 G 14 29°F 48°F4 ft1013.8 hPa
MISM1 - Matinicus Rock, ME 42 mi49 min WNW 4.1 G 5.1 29°F 1012.6 hPa (-1.5)19°F
MDRM1 - Mt Desert Rock, ME 46 mi49 min NW 8.9 G 9.9 29°F 1013.5 hPa (-1.1)22°F

Wind History for Bar Harbor, ME
(wind in knots)    EDIT      (on/off)   Help
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Last
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NW12
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NW14
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G28
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G31
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W17
G27
W16
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W12
G20
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W14
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W10
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W9
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NW6
G11
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G17
NW15
G24
NW14
G18
NW9
G14
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N5
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G9
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G15
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G11
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G12
SW1
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W1
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SE2
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G15
NW9
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G14
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G17
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G22
NW11
G17
NW13
G20
W13
G22
NW18
G25

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bar Harbor, Hancock County-Bar Harbor Airport, ME23 mi53 minN 310.00 miA Few Clouds19°F9°F65%1014.5 hPa

Wind History from BHB (wind in knots)
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Last 24hrW7W7
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W7W7--W6SW4W3CalmN3N3
1 day agoW14
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G15
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G26
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W8W5W6W10
G14
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W9
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NW7NW10W8NW74W6
2 days agoN5N6E4N3S15S12--SW4S3CalmW8
G16
NW5W7NW8
G14
NW6NW94W5W54W10W10W9
G20
W10
G18

Tide / Current Tables for Castine, Penobscot Bay, Maine
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Castine
Click for Map
Fri -- 02:41 AM EST     0.69 feet Low Tide
Fri -- 04:16 AM EST     Moonrise
Fri -- 07:04 AM EST     Sunrise
Fri -- 08:58 AM EST     10.88 feet High Tide
Fri -- 02:41 PM EST     Moonset
Fri -- 03:18 PM EST     -0.00 feet Low Tide
Fri -- 03:56 PM EST     Sunset
Fri -- 09:30 PM EST     9.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.42.310.81.83.96.58.810.310.910.28.35.631.10.10.31.94.26.78.69.79.78.4

Tide / Current Tables for Little Deer Isle, Penobscot Bay, Maine
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Little Deer Isle
Click for Map
Fri -- 02:44 AM EST     0.69 feet Low Tide
Fri -- 04:15 AM EST     Moonrise
Fri -- 07:03 AM EST     Sunrise
Fri -- 08:59 AM EST     10.78 feet High Tide
Fri -- 02:41 PM EST     Moonset
Fri -- 03:21 PM EST     -0.00 feet Low Tide
Fri -- 03:56 PM EST     Sunset
Fri -- 09:31 PM EST     9.76 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.42.410.71.73.86.38.610.210.810.18.35.73.11.10.10.31.84.16.58.59.69.68.4

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Northeast    EDIT
Geos

Wind Forecast for Gray/Portland, ME (18,4,5,8)
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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.