Monday, December18, 2017 L-36.com


Marine Weather and Tides
Cousins Island, 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 7:08AMSunset 4:07PM Monday December 18, 2017 4:07 AM EST (09:07 UTC) Moonrise 8:10AMMoonset 5:45PM Illumination 0% Phase: New Moon; Moon at 0 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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ANZ153 Casco Bay- 248 Am Est Mon Dec 18 2017
.gale watch in effect from Tuesday afternoon through Wednesday evening...
Today..S winds around 5 kt, becoming sw this afternoon. Seas 1 foot or less. A chance of light snow this morning, then light snow this afternoon. Vsby variable to less than one quarter nm this afternoon.
Tonight..W winds around 5 kt. Seas 1 foot or less. Light snow likely in the evening. Vsby variable to less than one quarter nm in the evening.
Tue..W winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon.
Tue night..W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
Wed..W winds 10 to 15 kt, becoming nw 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 2 ft.
Wed night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 1 foot or less.
Thu..NW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less.
Thu night..N winds 5 to 10 kt. Seas 1 foot or less.
Fri..E winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..S winds 5 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. Rain or snow likely. Vsby 1 to 3 nm.
ANZ100 248 Am Est Mon Dec 18 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. A weak area of low pressure will cross the waters today. Another low and associated cold front will cross the area Tuesday. Colder weather returns for Wednesday and Thursday as high pressure builds across the waters.

7 Day Forecast for Marine Location Near Cousins Island, ME
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location: 43.76, -70.17     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 180751
afdgyx
area forecast discussion
national weather service gray me
251 am est Mon dec 18 2017

Synopsis
A weak warm front will lift north into the region today and will
stall over the region tonight. A cold front will approach from
the west on Tuesday and will cross the region Tuesday evening.

High pressure will gradually build in from the west Wednesday
through Thursday and will crest over the region early Friday.

A warm front will approach from the southwest Friday and will
be followed by a cold front on Saturday.

Near term through today
Weak 500mb wave will bring widespread light snow to the region
today. Warm air advection is increasing from the SW this
morning, with radar echoes just beginning to reach southern nh
this morning. This trend will continue throughout the day with
amounts from a tenth of an inch of snow to closer to 1.5" for
the mid coast. This will impact the morning and possibly the
afternoon commutes making travel slippery. Temperatures today
will remain chilly with highs ranging from the upper teens to
lower 30s.

Short term tonight through 6 pm Tuesday
On the backside of this system, light and spotty freezing drizzle
might be possible briefly early Tuesday morning. However, do
not have enough confidence in this scenario at this time to
issue an advisory. Tonight's temperatures range from mid teens
north to upper 20s south and west. Tuesday we will see
increasing SW winds ahead of a cold front. This will bring
temperatures up into the 30s and 40s areawide. Winds will be
gusty with pops increasing across the mountains and foothills
quickly. This would deliver a couple inches of snow to the
region through Tuesday evening at least.

Long term Tuesday night through Sunday
Cold front will shift offshore Tuesday evening. Expect any snow
showers downwind of the mountains to gradually end with skies
clearing before midnight. In the north... Increasing upslope
flow and and low level moisture will keep snows showers going
through most of the night as a weak surface trough drops south.

Lows overnight will range through the 20s.

High pressure will slowly build in from the west Wednesday
through Thursday. Morning clouds and snow showers in northern
zones will gradually give way to sunny breaks in the afternoon.

Expect a mix of clouds and Sun in the morning in southern zones
with clearing skies toward evening. High on Wednesday will
range from the mid 20s north to the mid 30s south. High
pressure will continue to build in from the west Wednesday
night and Thursday. Looking for mostly clear skies Wednesday
night and mostly sunny skies on Thursday. Lows Wednesday night
will range through the single numbers north and teens south.

Highs on Thursday will range through the teens north and 20s
south.

Looking for increasing high clouds Thursday night as a warm
front lifts north to the west of the forecast area. Lows
overnight will once again range through the single numbers
north and teens south.

Broad area of over-running ahead of low pressure moving
through the great lakes will bring thickening clouds and
occasional light snow to the region on Friday. Highs will
range through the 20s north and 30s south.

Warm front will lift north through the region Friday night
with snow changing to a mix and eventually going over to rain
overnight as strong low level jet pushes warm air northward.

Some differences between models in how fast cold air gets
scoured out in northern zones where mixed precip could hang
on for much of the night.

Cold front will press in from the west on Saturday with rain
persisting into early afternoon before the cold front pushes
offshore. Looking for clearing from east to west during the
mid and late afternoon. Expect highs to top out in the morning
before falling back behind the front in the afternoon.

Aviation 08z Monday through Friday
Short term... All terminals will decrease in snow
today... .Probably yo MVFR lifr until this afternoon the
exception is the mountains where hie and leb could see longer
amounts of precipitation. Winds increase quite a bit behind the
outgoing cold front Tuesday.

Long term...VFR Tuesday night through Wednesday with areas of
MVFR ifr ceilings vsby in the mountains Tuesday night and early
Wednesday.VFR Wednesday night through Thursday night. Ifr lifr
ceilings developing Friday.

Marine
Short term... Gales begin Tuesday afternoon for all zones in
strong cold air advection. We have issued a watch for this
likelihood.

Long term... Gales likely Tuesday night through Wednesday.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Gale watch from Tuesday afternoon through Wednesday evening
for anz150>154.

Hanes sinsabaugh


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 8 mi49 min 14°F 40°F1024.1 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 16 mi77 min NE 3.9 G 5.8 22°F 43°F1 ft1024.4 hPa (-0.0)13°F
WEXM1 - Wells Reserve, ME 35 mi67 min NW 2.9 12°F 5°F
WELM1 - 8419317 - Wells, ME 37 mi49 min N 2.9 G 4.1 14°F 40°F1023.9 hPa
44030 - Buoy B0102 - Western Maine Shelf 42 mi123 min NNW 9.7 G 12 25°F 44°F1 ft1023.5 hPa
44032 - Buoy E0104 - Central Maine Shelf 43 mi123 min WNW 3.9 G 5.8 22°F 1 ft1023.9 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME11 mi76 minW 510.00 miFair8°F3°F83%1024.1 hPa
Auburn-Lewiston, ME21 mi71 minN 010.00 miFair1°F-2°F83%1025.3 hPa

Wind History from PWM (wind in knots)
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Last 24hrW3CalmCalm4W3W445NW735N6N1145SE4433W4N5NW3W5W3
1 day agoW3Calm4SW4W4W7SW7W7
G15
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SW7W4NW74NW95NW8NW7W3W6CalmCalm
2 days agoCalmSW3NW3Calm4CalmCalm44CalmCalmCalmN33N54N4NW4NW4NW5NW7NW5W3W4

Tide / Current Tables for Prince Point, Maine
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Prince Point
Click for Map
Mon -- 01:31 AM EST     New Moon
Mon -- 04:49 AM EST     0.85 feet Low Tide
Mon -- 07:09 AM EST     Moonrise
Mon -- 07:09 AM EST     Sunrise
Mon -- 11:00 AM EST     9.92 feet High Tide
Mon -- 04:04 PM EST     Sunset
Mon -- 04:45 PM EST     Moonset
Mon -- 05:23 PM EST     -0.10 feet Low Tide
Mon -- 11:35 PM EST     8.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.36.74.52.51.20.91.63.45.77.99.49.99.47.75.32.80.9-00.11.43.45.77.68.6

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Mon -- 01:02 AM EST     0.83 knots Max Flood
Mon -- 01:31 AM EST     New Moon
Mon -- 03:18 AM EST     -0.00 knots Slack
Mon -- 05:08 AM EST     -0.68 knots Max Ebb
Mon -- 07:08 AM EST     Moonrise
Mon -- 07:08 AM EST     Sunrise
Mon -- 08:45 AM EST     0.00 knots Slack
Mon -- 11:32 AM EST     0.91 knots Max Flood
Mon -- 03:31 PM EST     -0.00 knots Slack
Mon -- 04:02 PM EST     Sunset
Mon -- 04:43 PM EST     Moonset
Mon -- 05:36 PM EST     -0.88 knots Max Ebb
Mon -- 09:33 PM EST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.80.70.2-0.4-0.7-0.6-0.4-0.30.10.60.90.90.90.80.3-0.3-0.8-0.9-0.7-0.6-0.30.20.6

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 (4,6,7,8)
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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.