Monday, May20, 2019 L-36.com


Marine Weather and Tides
Gardiner, 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 5:05AMSunset 8:06PM Monday May 20, 2019 3:14 AM EDT (07:14 UTC) Moonrise 10:03PMMoonset 6:33AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 241 Am Edt Mon May 20 2019
Today..S winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Areas of fog this morning. A chance of showers this morning, then showers with a chance of tstms this afternoon. Some tstms may produce damaging winds, large hail, and heavy rainfall this afternoon. Vsby 1 to 3 nm.
Tonight..SW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight. Some tstms may produce gusty winds, small hail, and heavy rainfall in the evening with vsby 1 to 3 nm.
Tue..W winds 10 to 15 kt, becoming nw 15 to 20 kt in the afternoon. Seas 2 to 3 ft, subsiding to 1 to 2 ft in the afternoon. A chance of showers in the morning.
Tue night..NW winds 10 to 20 kt with gusts up to 25 kt. Seas 1 to 2 ft in the evening, then 1 foot or less.
Wed..N winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less.
Wed night..N winds 5 to 10 kt. Seas 1 foot or less.
Thu..SW winds up to 10 kt. Seas 1 to 2 ft.
Thu night..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Fri..S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Fri night..SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms.
ANZ100 241 Am Edt Mon May 20 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. Potent low pressure will move north of the waters today, dragging a cold front through the waters tonight. Gusty northwesterly winds are expected on Tuesday as high pressure gradually builds in from the west through midweek. &&


7 Day Forecast for Marine Location Near Gardiner, ME
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location: 44.17, -69.84     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 200701
afdgyx
area forecast discussion
national weather service gray me
301 am edt Mon may 20 2019

Synopsis
A warm front will move north of our region today. Increasingly
warm and humid air moves into the area today. A cold front
moving into the region late today will bring showers and
thunderstorms, some possibly severe, to the area before much
cooler and drier air works back into new hampshire and western
maine for midweek. Another area of low pressure crosses the
region Thursday night into early Friday.

Near term through today
Interesting day on tap with ongoing scattered showers and
thunderstorms this morning. With a strong west southwesterly
flow aloft, the atmosphere should have time to recharge ahead of
an advancing cold front and short wave trough this afternoon.

Showers and thunderstorms should be more widespread with this
feature as it sweeps across the region and moves offshore around
00z or 01z.

Winds will be well aligned and strong throughout a deep layer
today. Atmosphere dynamics and mesoscale models suggest line
segments will develop with the convection this afternoon, as
well as individual cells, with a couple possibly indicating
supercell characteristics. This will lead to the possibility of
damaging winds and hail in a few storms this afternoon into this
early evening, aided by strong speed shear, and increasing cape
values due to steep low and mid level lapse rates. Surface
temperatures will assist in helping to fuel the storms with
readings in the 70s to 80s and dew point values in the 60s. The
hrrr is on the high end of the dew point forecast spectrum for
this package.

The convection will be progressive in nature. However if line
segments and individual cells train in few locations, high pw
values may lead to locally heavy rainfall which cannot be
discounted.

Short term tonight through 6 pm Tuesday
Convection and deep moisture will be swept off the coast this
evening as cyclogensis continues north of our forecast area.

An upper level low will allow for steep lapse rates and showers
over northern areas tomorrow. Less cloudiness and somewhat drier
in the downslope regions where temperatures will reach the 60s
even along the coast in the absence of a sea breeze.

Winds will be increasingly well aligned through a deep layer
embedded in a cold air advection pattern. Expect very gusty
conditions during the day.

Long term Tuesday night through Sunday
Ensemble and deterministic model solutions are in good agreement
on the long wave pattern through late in the upcoming weekend.

We begin the period with an upper trough closed low over the
western CONUS and a building ridge downstream over the southeastern
conus. While the ridge may briefly build across the area at times... The
real heat and humidity remains to our south as passing shortwave
impulses riding along the periphery of the ridge have a tendency
to flatten it. With the mean jet position nearby... We'll see quick
day to day changes in the sensible weather as weak systems cross
the region. For a change temperatures will be close or slightly
above normal for the period as cold air remains bottled up well
to our north.

Aviation 07z Monday through Friday
Short term... Areas of ifr conditions in low clouds and fog,
mainly over eastern areas this morning. Conditions gradually
improving to MVFR with localizedVFR however there will still be
scattered showers and thunderstorms this morning. Showers and
storms become more widespread with strong to severe conditions
possible. Conditions slowly improve tonight and Tuesday with a
wind shift.

Long term...

thu night - fri... Areas of MVFR in -shra.

Marine
Short term... Scas to continue today and tonight as winds gust to
25 knots at times over the outer waters and seas reach 3 to 6
feet.

Long term...

wed... Sca's psb outside the bays.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Small craft advisory until 6 am edt Tuesday for anz150-152-154.

Near short term... Cannon
long term... Schwibs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 42 mi44 min 50°F 47°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 47 mi84 min Calm G 1.9 50°F 47°F4 ft1010.8 hPa (-2.3)50°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Augusta, Augusta State Airport, ME11 mi81 minN 09.00 miOvercast49°F48°F100%1011.9 hPa
Wiscasset Airport, ME17 mi81 minESE 310.00 miOvercast49°F48°F97%1011.4 hPa

Wind History from AUG (wind in knots)
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Last 24hrSE4SE4CalmCalmSE4SE4E6SE6CalmS6
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N9N7NW10NW8N7NW4NW5CalmS5S3S4CalmCalm
2 days agoS3CalmCalmCalmCalmCalmS3S5SE4E5SE4SE8S8S7SE6CalmSE4NE4N4CalmCalmCalmNW5NW5

Tide / Current Tables for Nehumkeag Island, Kennebec River, Maine
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Nehumkeag Island
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Mon -- 03:54 AM EDT     6.39 feet High Tide
Mon -- 05:07 AM EDT     Sunrise
Mon -- 06:33 AM EDT     Moonset
Mon -- 10:39 AM EDT     -0.60 feet Low Tide
Mon -- 04:32 PM EDT     5.68 feet High Tide
Mon -- 08:04 PM EDT     Sunset
Mon -- 10:02 PM EDT     Moonrise
Mon -- 10:48 PM EDT     0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.63.356.16.464.93.41.70.3-0.4-0.60.21.73.44.85.65.653.92.41.20.40.2

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
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Mon -- 01:19 AM EDT     1.13 knots Max Flood
Mon -- 05:05 AM EDT     -0.00 knots Slack
Mon -- 05:08 AM EDT     Sunrise
Mon -- 06:34 AM EDT     Moonset
Mon -- 07:20 AM EDT     -1.07 knots Max Ebb
Mon -- 11:08 AM EDT     0.00 knots Slack
Mon -- 02:00 PM EDT     0.99 knots Max Flood
Mon -- 05:36 PM EDT     -0.00 knots Slack
Mon -- 07:37 PM EDT     -0.87 knots Max Ebb
Mon -- 08:03 PM EDT     Sunset
Mon -- 10:01 PM EDT     Moonrise
Mon -- 11:07 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.11.110.70.1-0.7-1-1-0.8-0.6-0.10.50.9110.80.4-0.3-0.8-0.8-0.7-0.4-0.1

Weather Map and Satellite Images
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wmap_A
GOES Local Image of Northeast    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 (3,6,7,8)
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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.