Saturday, December15, 2018 L-36.com


Marine Weather and Tides
Scar, 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 7:06AMSunset 4:07PM Saturday December 15, 2018 12:25 AM EST (05:25 UTC) Moonrise 1:19PMMoonset 12:03AM Illumination 51% Phase: First Quarter Moon; Moon at 8 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- 903 Pm Est Fri Dec 14 2018
Rest of tonight..SW winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Sat..W winds 5 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less.
Sat night..NE winds 5 to 10 kt. Seas 1 foot or less.
Sun..NE winds 5 to 10 kt. Seas 1 to 2 ft.
Sun night..NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of rain or sleet in the evening, then rain or snow or sleet likely after midnight. Vsby 1 to 3 nm.
Mon..N winds 5 to 10 kt. Seas 2 to 4 ft. Rain or snow likely in the morning. Vsby 1 to 3 nm.
Mon night..NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow showers. Vsby 1 to 3 nm.
Tue..NW winds 15 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Tue night..NW winds 10 to 20 kt with gusts up to 30 kt. Seas around 2 ft.
Wed..W winds 5 to 10 kt. Seas 1 foot or less.
Wed night..W winds 5 to 10 kt. Seas 1 foot or less.
ANZ100 903 Pm Est Fri Dec 14 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will shift east overnight as a weak frontal boundary crosses the region. High pressure will build in from the west on Saturday and will crest over the region on Sunday as low pressure passes south of the region. Low pressure will pass out to sea east of the waters Sunday night as a cold front approaches from the west. The front will push south through the region on Monday. High pressure will build in from the west Monday night through Tuesday and will crest over the region on Wednesday. &&


7 Day Forecast for Marine Location Near Scar, ME
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location: 43.56, -70.28     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 150253 aab
afdgyx
area forecast discussion... Updated
national weather service gray me
953 pm est Fri dec 14 2018

Synopsis
High pressure will shift east overnight as a weak frontal
boundary crosses the region. High pressure will build in from
the west on Saturday and will crest over the region on Sunday as
low pressure passes south of the region. Low pressure will pass
just out to sea south of the region Sunday night as a cold
front approaches from the west. The front will push south
through the region on Monday. High pressure will build in from
the west Monday night through Tuesday and will crest over the
region on Wednesday.

Near term until 6 am Saturday morning
930 pm update...

showers continue to increase across the north with thickening
and lowering cloud cover. P-type is and will primarily be snow
and rain, however room for wet bulb cooling and given this
evening's thermal profile there will still be spotty freezing
rain and perhaps sleet mixing in at times overnight. Have issued
an sps for this possibility.

6 pm update...

made a few changes to tonight's forecast for additional cloud
cover streaming in from the west. Light snow showers ongoing
over the higher terrain will continue with light accumulations.

Temperatures and dew points were brought in line with current
observational trends as dew points increase.

Previous discussion...

weak frontal boundary pushing in from the west will bring snow
showers or mixed precipitation to the mountains this evening and
overnight. Expect QPF to be light and spotty with higher
elevations seeing some light accumulations. Farther south expect
mostly cloudy skies with just a slight chance of a sprinkle for
much of the night before clearing sets in around daybreak. Low
temperatures by Saturday morning will bottom out in the lower to
mid 30s.

Short term 6 am Saturday morning through Saturday night
High pressure will build over the region on Saturday producing
mostly sunny skies and light winds. High temperatures will
actually top out above normal for a change ranging from the mid
30s to lower 40s north and mid 40s to lower 50s south.

High pressure will crest over the region Saturday night with
clear skies and light winds allowing for good radiational
cooling. Lows will range through the teens north and lower to
mid 20s south.

Long term Sunday through Friday
The main focus of the extended continues to be the possible
effects of a coastal storm late Sunday into Monday. 12z
deterministic models and latest ensemble consensus bring
southern stream low a little closer to the new england coast.

Have taken a blend of model QPF values and thermal profiles to
derive weather type and precipitation amounts. This yielded a
general 1-2 inch snowfall across the southern half of nh and the
coastal plain of maine Sunday afternoon through Monday morning
with locally higher amounts possible. This forecast also takes
in account some mixed precipitation as well, especially at the
start, where intensity will be rather light in the presence of
marginal to slightly warm temps in the sfc to 800mb layer. The
12z NAM is the most robust scenario, with banding developing
along the immediate coast and therefore higher precipitation
amounts. Model wiggles continue to be expected, especially when
it comes to closed lows. Therefore, the forecast
precipitation snow amounts are subject to change for the lower
or higher. Based on our current forecast, there is a chance for
slippery travel for the Monday morning commute.

Measurable snow showers (possibly squalls) will be likely on
during the day on Monday into Monday night as a strong northern
stream short wave trough dives in from the northwest. This will
push an arctic front through the region right on the backside of
the passing southern stream low Monday afternoon. In it's wake
Monday night and Tuesday, cold and windy conditions are
expected.

The next system potentially arrives right around Friday.

Aviation 02z Saturday through Wednesday
Short term... Areas of MVFR ceilings overnight... Giving way to
vfr conditions Saturday.VFR Saturday night.

Long term... MVFR conditions developing Sunday afternoon and
evening as low pressure passes to the south and delivers some
light snow or mixed precipitation to southern central nh as well
as the coastal plain in me. Some ifr conditions possible Sunday
night into Monday morning. Conditions will turn windy Monday
night and Tuesday in the wake of low pressure... Gusts around 30
mph from the NW likely.

Marine
Short term... Continuing scas overnight and have added penobscot
bay to the advisory.

Long term... Nw gales likely Monday night and Tuesday as low
pressure strengthens and moves northeastward near nova scotia.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Small craft advisory until 10 am est Saturday for anz150>152-
154.

Near term... Hanes
short term... Sinsabaugh
long term... Ekster


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 7 mi61 min 42°F 41°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 8 mi95 min SSW 18 G 21 44°F 44°F4 ft1022.5 hPa (-3.0)42°F
WEXM1 - Wells Reserve, ME 21 mi85 min SSW 4.1 40°F 37°F
WELM1 - 8419317 - Wells, ME 22 mi55 min SW 2.9 G 4.1 40°F 41°F1022.3 hPa
44030 - Buoy B0102 - Western Maine Shelf 27 mi81 min SSW 16 G 21 43°F 45°F3 ft1022.4 hPa
IOSN3 - Isle of Shoals, NH 45 mi85 min SW 17 G 18 42°F 1022.4 hPa (-3.2)41°F
BGXN3 - Great Bay Reserve, NH 45 mi100 min Calm 38°F 35°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME7 mi34 minSSW 710.00 miOvercast41°F37°F86%1021.4 hPa

Wind History from PWM (wind in knots)
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Last 24hrW3W4CalmCalmCalmCalmSW3CalmSW5SW6S7SW6S8S6S4S10
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1 day agoW4N5N4CalmSW4W5NW4W543Calm45S6S4S3SW3SW3W4W3CalmNW3W45
2 days ago4NW4NW5NW53N3N4N4N6N9NE85NE9N8
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Tide / Current Tables for Richmond Island, Maine
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Richmond Island
Click for Map
Sat -- 04:26 AM EST     8.05 feet High Tide
Sat -- 06:49 AM EST     First Quarter
Sat -- 07:07 AM EST     Sunrise
Sat -- 10:27 AM EST     1.73 feet Low Tide
Sat -- 12:18 PM EST     Moonrise
Sat -- 04:05 PM EST     Sunset
Sat -- 04:37 PM EST     8.17 feet High Tide
Sat -- 10:54 PM EST     1.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.445.87.287.97.25.742.61.81.82.63.95.67.188.17.56.14.32.61.41.1

Tide / Current Tables for Portland Head Light, Maine
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Portland Head Light
Click for Map
Sat -- 04:28 AM EST     7.96 feet High Tide
Sat -- 06:49 AM EST     First Quarter
Sat -- 07:07 AM EST     Sunrise
Sat -- 10:28 AM EST     1.71 feet Low Tide
Sat -- 12:18 PM EST     Moonrise
Sat -- 04:04 PM EST     Sunset
Sat -- 04:38 PM EST     8.09 feet High Tide
Sat -- 10:55 PM EST     1.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.33.95.77.17.97.97.15.742.61.81.82.53.95.577.987.46.14.32.61.41.1

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 (0,6,7,8)
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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.