Tuesday, November21, 2017 L-36.com


Marine Weather and Tides
Belfast, 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 6:39AMSunset 4:02PM Tuesday November 21, 2017 4:23 PM EST (21:23 UTC) Moonrise 10:11AMMoonset 7:42PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 308 Pm Est Tue Nov 21 2017
.small craft advisory in effect until 10 pm est this evening...
Tonight..SW winds 10 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Wed..S winds 5 to 10 kt, becoming nw in the afternoon. Seas 1 to 2 ft. Showers.
Wed night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers in the evening.
Thu..NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 1 to 2 ft.
Thu night..W winds 5 to 10 kt. Seas 1 to 2 ft.
Fri..W winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 1 to 2 ft.
Sat..SW winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sat night..SW winds 5 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A chance of showers.
Sun..NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Sun night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft.
ANZ100 308 Pm Est Tue Nov 21 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. Southwest flow continues through tonight until a cold front arrives on Wednesday, shifting flow to the north northwest. High pressure builds in behind the front and crests over the waters Thursday night and Friday.

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


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 212012
afdgyx
area forecast discussion
national weather service gray me
312 pm est Tue nov 21 2017

Synopsis
Low pressure will track southeast of the region on Wednesday,
bringing a period of mostly rain to the area. Some snow will be
found in the mountains. This low will pull a cold front across
the area Wednesday night. Thanksgiving will mainly sunny but
chilly, with a warming trend Friday into Saturday. Another cold
front crosses the area on Sunday and could bring some rain or
snow showers, with another blast of cold air expected early next
week.

Near term tonight
Southwesterly flow continues tonight as an upper trough and
associated cold front move east toward the region. Expect
increasing clouds overnight and temperatures generally only
falling into the 30s.

Short term Wednesday and Wednesday night
Two waves are headed in our general direction within the
southwest flow between the atlantic ridge and the canadian
trough. The first is a southern stream wave riding around the
periphery of the atlantic ridge. Moisture has built up over the
southeastern united states pulling from the caribbean and gulf
of mexico. This moisture will spread northward along the east
coast tonight and arrive in northern new england just in time
for the cold front to arrive Wednesday morning. With more
moisture available, it is becoming increasingly likely that some
precipitation will fall along the northern new england coastline
ahead of the front.

The second wave is the deeper one, featuring a large scale
trough over ontario and the upper great lakes. This will move
east northeast and arrive in new england on Wednesday, dragging
a cold front along with it. This second wave is expected to
capture and merge with the first southern stream wave with the
two linking up near nova scotia, too far east for us to see a
heavy precipitation event here. However, there will be enough
moisture streaming northward ahead of the southern wave that we
should see rain and mountain snow break out particularly as the
cold front drops out of the mountains midday Wednesday. Ahead of
the front there will be enough warm moist air to keep things as
rain, but behind it especially in the mountains this could fall
as snow. Not looking at a lot in terms of total precipitation,
with generally 0.1 to 0.5 inches of rain expected. It may also
be a fairly short duration rainfall as the eastward progression
of the cold front will pull in cold, dry air out of canada and
work to shut off precipitation.

With the cold front moving through during the day Wednesday, it
should be a colder night Wednesday night. Low level wind flow
remains light to moderate deep into the night, but we should
still see temperatures fall into the 20s to perhaps a few teens
as the core of the cold air arrives.

Long term Thursday through Tuesday
Fairly persistent 500mb blocking downstream of new england,
with ridge taking residence over greenland, and pushing N to the
pole, along with ridging over the WRN conus, will effectively
push the coldest air over the hemisphere toward siberia. It will
also continue to help promote a faster flow, that will trend
toward broad cyclonic, but still feature some fast-moving waves
and frequent temp changes into early next week.

Overall, thanksgiving day looks mainly sunny with light winds but
chilly with highs only in the 30s, probably closer to 30 in the
colder mountain spots, and maybe reaching 40 in the more
urbanized areas of SRN nh. Thursday night will see a 500 mb
wave pass to our north, and bring some clouds in overnight and
maybe a few shsn in the mountains. Should see skies clear
somewhat Fri morning, with temps a few degrees warmer than
Thursday, mainly in the mid 30s to mid 40s. 500 bm ridging
builds in on Saturday in response to trough digging SE toward
the great lakes. This should allow a decent SW flow and help
push highs up into the mid 40s to low 50s, which is above
normal.

The next chc of precip will be Sat night into Sunday as 500 mb
trough continues to deepen as it moves into new england. 12z
euro phases the the system far enough east that it would have
limited effect on cwa, other than maybe a round of shra shsn
with passage of the cold front. Once again, it will turn sharply
colder behind the front with highs on Monday limited to the 30s
once again. The trend for next week beyond Monday looks to be
warmer and mainly dry conditions.

Aviation 18z Tuesday through Sunday
Short term...VFR today with southwest wind gusts dropping off
early this evening. Clouds increase through the night, with MVFR
conditions possibly by Wednesday morning. Rain is most likely
along the coast during the day Wednesday, with MVFR to ifr
conditions expected. A cold front moves in from the northwest
during the day, with some snow showers north of the mountains
and MVFR conditions there. The cold front is a dry front so it
should clear things out as it moves through leading toVFR
conditions by Wednesday evening.

Long term... MainlyVFR Thu through Sunday. Possible shrasn
possible Sunday which may briefly cause flight restrictions.

Marine
Short term... South to southwest winds continue to gust to 25 to
30 kt this afternoon, but should diminish a bit overnight. A
cold front moves through Wednesday with north winds gusting to
25 to 30 kt again. Thus there may only be a brief few hour
period where small craft advisory conditions are not observed.

Long term... May need SCA Sat into Sunday. Initially on Sat due
to SW flow ahead of a cold front, and then on Sunday into sun
night in NW flow behind the cold front.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Small craft advisory until 10 pm est this evening for anz151-
153.

Small craft advisory until 5 am est Wednesday for anz150-152-
154.

Near term... Kimble
short term... Kimble
long term... Cempa


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 25 mi80 min SSW 18 G 21 52°F 50°F5 ft1014 hPa
ATGM1 - 8413320 - Bar Harbor, ME 43 mi54 min WSW 7 G 14 51°F 48°F1014.9 hPa
MISM1 - Matinicus Rock, ME 45 mi84 min SSW 31 G 34 52°F 1014.6 hPa (-1.3)44°F

Wind History for Bar Harbor, ME
(wind in knots)    EDIT      (on/off)   Help
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NW16
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S6
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G20
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G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rockland, Knox County Regional Airport, ME24 mi28 minSSW 10 G 1810.00 miFair51°F43°F74%1014.6 hPa

Wind History from RKD (wind in knots)
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Last 24hrW9NW7NW8NW5NW8NW7NW3CalmCalmCalmCalmW3CalmCalmCalmCalmCalmS6SW13
G19
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1 day agoW21
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W12W15W13W8W6W11W8W10W15W10W10
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--
2 days agoCalmSW8S6S7S11SE10
G21
S12
G20
S15
G22
S6
G16
S7SW9S9S13
G18
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G17
--S11
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--W21
G28

Tide / Current Tables for Belfast, Penobscot Bay, Maine
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Belfast
Click for Map
Tue -- 12:21 AM EST     10.03 feet High Tide
Tue -- 06:15 AM EST     1.17 feet Low Tide
Tue -- 06:40 AM EST     Sunrise
Tue -- 09:10 AM EST     Moonrise
Tue -- 12:26 PM EST     10.79 feet High Tide
Tue -- 04:03 PM EST     Sunset
Tue -- 06:42 PM EST     Moonset
Tue -- 06:45 PM EST     0.22 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
109.88.46.23.92.11.21.52.95.27.69.610.710.69.374.320.60.31.13.15.57.7

Tide / Current Tables for Fort Point, Penobscot River, Maine
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Fort Point
Click for Map
Tue -- 12:27 AM EST     9.95 feet High Tide
Tue -- 06:16 AM EST     1.24 feet Low Tide
Tue -- 06:39 AM EST     Sunrise
Tue -- 09:10 AM EST     Moonrise
Tue -- 12:27 PM EST     10.88 feet High Tide
Tue -- 04:02 PM EST     Sunset
Tue -- 06:41 PM EST     Moonset
Tue -- 06:49 PM EST     0.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
9.89.88.66.54.12.21.31.52.95.17.69.710.810.79.57.44.72.20.60.312.85.27.5

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 (16,3,4,5)
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Ground Weather Radar Station Portland, ME
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weather_mapweather_map weather_map

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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.