Wednesday, November14, 2018 L-36.com


Marine Weather and Tides
Freeport, 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 6:32AMSunset 4:15PM Wednesday November 14, 2018 10:47 AM EST (15:47 UTC) Moonrise 1:21PMMoonset 11:16PM Illumination 40% Phase: Waxing Crescent; Moon at 6 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- 936 Am Est Wed Nov 14 2018
.gale warning in effect through this evening...
This afternoon..NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft.
Tonight..NW winds 10 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft.
Thu..N winds 5 to 10 kt, becoming se in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less.
Thu night..E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. Snow likely in the evening, then snow or rain after midnight.
Fri..NE winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain or snow in the morning, then rain likely in the afternoon.
Fri night..NW winds 5 to 15 kt with gusts up to 20 kt, becoming 5 to 10 kt after midnight. Seas 3 to 5 ft.
Sat..W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Sat night..NW winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..NW winds 5 to 10 kt. Seas 2 to 3 ft.
Sun night..W winds 5 to 10 kt. Seas around 2 ft.
ANZ100 936 Am Est Wed Nov 14 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure rapidly exits northeast into the maritimes, with strong northwest winds in its wake today. The next potential coastal storm will arrive late Thursday night or Friday. &&


7 Day Forecast for Marine Location Near Freeport, ME
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location: 43.82, -70.1     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 141543
afdgyx
area forecast discussion
national weather service gray me
1043 am est Wed nov 14 2018

Synopsis
Much colder air arrives today on a strong northwesterly wind
with gusts to near 40 mph expected. This cold air will stick
around through Thursday. The next coastal storm will arrive
late Thursday night continuing into Friday bringing snowfall to
parts of the region.

Near term until 6 pm this evening
940 am update: input latest mesonet data with only minor tweaks
to temps needed.

615 am update...

adjusted temperatures with obs database to correctly capture
the lows this morning. A few light snow showers have developed
over whitefield and across other portions of the whites. Namnest
is handling this pretty well with showers ending sometime this
afternoon. Otherwise winds will pick up once again after mixing
ensues after daybreak.

Previous discussion...

the storm system which brought widespread precipitation and the
first snow to many areas has ejected towards prince edward
island. High pressure covering much of the central CONUS will
shift northeast today. The tight pressure gradient at the
surface as well as strong unidirectional flow aloft will allow
for good mixing and allow some of the stronger winds to reach
the surface. Winds have begun to increase across the region with
many sites already gusting to near 40 mph. A wind advisory
continues through 7 pm tonight for the entire area.

Outside of the brisk wind, skies will be clear to mostly sunny
for a few hours before additional cloud cover arrives with a
band of vorticity associated with troughing aloft. Temperatures
will only reach the teens north to the upper 20s lower 30s
south under strong CAA today. 850mb temps will come close to
-20c across the mountains and foothills. A few lingering snow
flakes are possible early on for the highest peaks.

Short term 6 pm this evening through 6 pm Thursday
High pressure passes overhead tonight, and will help contribute
to one of the coldest night of the year. Expect single digits
across the north with teens closer to the coast. Winds will have
largely diminished, but still expected some AOB 10 mph or so.

High temperatures Thursday will rebound into the 20s areawide
with a few 30s near the coast. Winds come around to the
southwest finally late Thursday as a strong southern stream
short wave triggers secondary cyclogenesis off the delmarva
peninsula. Most of the precipitation will hold off for northern
sections until Friday, but southern nh and southwest me will see
snow begin to fall evening.

Long term Thursday night through Tuesday
The deterministic model solutions are in decent agreement on the
long wave pattern through early next week. We begin the period
with a potent shortwave over the lower mississippi valley that
quickly GOES negative tilt as it races north to the bay of fundy
by Friday evening. At the surface... A developing coastal low
will track northeast from the carolina's to eastern new england by
Friday evening. Warm air advection precipitation in advance of
the low will breakout across the forecast area from south to north
during the predawn hours of Friday. With cooling at precipitation
onset... Most locations should start as snow or sleet. We'll chip
away at the cold air along the coastal plain during the day... And
see a transition from frozen to liquid. At this juncture... Mixing
and model QPF is suggesting advisory versus warning criteria
snowfall across much of the area late Thursday night into Friday.

It should make for a tricky morning commute in many locations.

Precipitation quickly tapers from southwest to northeast during
the afternoon as the surface low and upper support exits into the
maritimes. In the wake of this system... A broad upper trough
across the eastern two thirds of the conus. Weak impulses
embedded in the flow will drive a series of weak surface systems
across the area accompanied by clouds and limited moisture. These
weak systems will in turn offer several reinforcing shots of
cold air to the region for the period... As our below normal
temperature regime continues.

Aviation 16z Wednesday through Sunday
Short term...VFR through today and tonight. Areas of MVFR
conditions may persist in the mountains early on with scattered
snow showers.

Long term...

fri... Ifr with areas of lifr in ra,pl,sn and fog. Sfc wind gusts
to 25 kt.

Sat... Sct MVFR in mtn -shsn.

Marine
Short term... A tight NW pressure gradient combined with very
cold air advection over the warm waters will cause an
acceleration of the winds over the waters surface and induce
strong northwest gales through this evening before diminishing.

Long term...

fri - sat... Sca's likely... With gale's psb outside the bays.

Gyx watches warnings advisories
Me... Wind advisory until 7 pm est this evening for mez007>009-
012>014-018>028.

Nh... Wind advisory until 7 pm est this evening for nhz001>015.

Marine... Gale warning until midnight est tonight for anz150>154.

Near term... Marine


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44007 - PORTLAND 12 NM Southeast of Portland,ME 20 mi57 min WNW 29 G 35 29°F 49°F4 ft1021.6 hPa (+2.5)13°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME16 mi56 minWNW 19 G 2910.00 miA Few Clouds and Breezy28°F6°F39%1022.7 hPa
Auburn-Lewiston, ME19 mi51 minNW 15 G 2410.00 miFair23°F5°F46%1024.1 hPa
Wiscasset Airport, ME23 mi54 minWNW 8 G 1810.00 miA Few Clouds25°F5°F42%1022.6 hPa

Wind History from PWM (wind in knots)
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1 day agoW8NW5W7W8W6S4CalmCalmCalmCalmCalmNW3CalmCalmCalm53Calm3CalmE7SE7
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2 days agoW9
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W9W8CalmW6CalmW5SW4CalmCalmW4CalmCalmCalmCalmCalmSW3W6W7

Tide / Current Tables for South Freeport, Maine
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South Freeport
Click for Map
Wed -- 03:48 AM EST     8.06 feet High Tide
Wed -- 06:33 AM EST     Sunrise
Wed -- 09:38 AM EST     1.89 feet Low Tide
Wed -- 12:20 PM EST     Moonrise
Wed -- 03:51 PM EST     8.64 feet High Tide
Wed -- 04:15 PM EST     Sunset
Wed -- 10:16 PM EST     Moonset
Wed -- 10:18 PM EST     1.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.45.26.87.887.56.24.532.11.92.63.95.67.38.38.68.16.953.21.81.11.3

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Wed -- 01:26 AM EST     0.00 knots Slack
Wed -- 03:56 AM EST     0.73 knots Max Flood
Wed -- 06:32 AM EST     Sunrise
Wed -- 08:17 AM EST     -0.00 knots Slack
Wed -- 10:00 AM EST     -0.58 knots Max Ebb
Wed -- 12:19 PM EST     Moonrise
Wed -- 01:20 PM EST     0.00 knots Slack
Wed -- 04:08 PM EST     0.73 knots Max Flood
Wed -- 04:14 PM EST     Sunset
Wed -- 08:24 PM EST     -0.00 knots Slack
Wed -- 10:14 PM EST     Moonset
Wed -- 10:26 PM EST     -0.76 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.10.20.60.70.70.60.50.1-0.4-0.6-0.4-0.2-0.10.20.50.70.70.50.50.2-0.3-0.7-0.7

Weather Map and Satellite Images
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wmap_A
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 (10,2,3,4)
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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.