Tuesday, December18, 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 7:08AMSunset 4:08PM Tuesday December 18, 2018 10:20 PM EST (03:20 UTC) Moonrise 2:38PMMoonset 3:10AM Illumination 88% Phase: Waxing Gibbous; Moon at 11 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- 902 Pm Est Tue Dec 18 2018
.small craft advisory in effect until 4 am est Wednesday...
Tonight..NW winds 15 to 25 kt, diminishing to 5 to 15 kt after midnight. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight.
Wed..W winds 5 to 10 kt. Seas 1 to 2 ft in the morning, then 1 foot or less.
Wed night..W winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less.
Thu..SW winds around 5 kt. Seas 1 foot or less.
Thu night..S winds around 5 kt, becoming se after midnight. Seas 1 foot or less. A chance of rain in the evening, then rain after midnight.
Fri..E winds 5 to 15 kt, becoming se 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 2 ft, building to 3 to 5 ft in the afternoon. Rain. Vsby 1 to 3 nm.
Fri night..S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 nm.
Sat..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers.
Sat night..W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Sun..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Sun night..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
ANZ100 902 Pm Est Tue Dec 18 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will build in from the west tonight and will crest over the region on Wednesday. High pressure will shift offshore Wednesday night and will hold offshore through Thursday. Low pressure will move up the east coast Thursday night and Friday and will push north through the region Friday night and Saturday. A trough of low pressure will linger over the region Saturday night and Sunday. &&


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 190205
afdgyx
area forecast discussion
national weather service gray me
905 pm est Tue dec 18 2018

Synopsis
High pressure will build in from the west tonight and will crest
over the region on Wednesday. High pressure will shift offshore
Wednesday night and will hold offshore through Thursday. Low
pressure will move up the east coast Thursday night and Friday
and will push north through the region Friday night and
Saturday. A trough of low pressure will linger over the region
Saturday night and Sunday.

Near term until 6 am Wednesday morning
9 pm update: have kept cloud cover currently depicted by sat
imagery across the mtns the rest of the night. Adjusted pops to
include sct -shsn in the mtns til the early morning hrs. Input
latest obs data with minor tweaks to temps.

555 pm update: a few snow showers continue in the foothills so
minor adj south to include those areas based on radar otherwise
no changes.

Previous discussion:
wind will gradually subside overnight as high pressure builds in
from the west. Mountain clouds will diminish through the evening
hours and any lingering flurries will come to an end. Aside from
variable high clouds... Expect a mostly clear night with
temperatures once again falling well below normal. Lows will
range from zero to 5 above north and 5 to 15 south.

Short term 6 am Wednesday morning through Wednesday night
High pressure will crest over the region on Wednesday producing
mostly clear skies and seasonable temps. Highs will range from
the mid 20s to mid 30s north and mid to upper 30s in the south.

High pressure will shift offshore Wednesday night with just
variable high clouds around through the night. Lows will range
through the teens from north to south.

Long term Thursday through Tuesday
Overview: an area of low pressure is expected to stay to our west
Friday and Saturday, bringing widespread rainfall to our region
which may occur as a wintry mix for most locations at the onset. The
rest of the period looks rather quiet as surface high pressure
dominates and flow aloft remains predominantly out of the
northwest... Although snow showers are possible on Monday.

Temperatures will start out above normal this weekend and transition
to near normal by early next week and remain there through the
period.

Impacts hazards: the wintry mix Friday morning will likely make the
morning commute a slick one, especially in northern and eastern
areas where freezing rain will still be occurring and roads will
previously be wet. Otherwise, no impact weather to mention.

Details: the big story in the long term period is the system
expected to move northward through the eastern u.S. Late this week
and into the weekend. The deterministic models are in decent
agreement at this point, at least with regard to keeping the system
either to our west or moving nearly overhead and in its warm sector.

In addition, this system looks to provide anomalously high pws as it
pulls moisture from the gulf of mexico and the atlantic northward up
the eastern seaboard.

Thursday looks quiet but with increasing clouds and warmer
temperatures than Wednesday. Precipitation chances then increase
Thursday evening as the system approaches. With below freezing
temperatures expected overnight into Friday morning, this event is
likely to at least begin with mixed precipitation late Thursday
evening and early Friday morning, likely in the form of freezing
rain or sleet. Roads will be slick during these times, particularly
in southern and western zones. Any freezing precipitation will
gradually come to and from southwest to northeast through Friday
morning as warmer air continues to stream into new england.

However... Rain will continue through the day on Friday and into
Saturday as the system slowly moves northward. By Saturday evening,
a cold front will begin to push through the cwa, possibly giving a
brief shot of snow in the mountains before ending all precip by
Sunday morning. Storm total rainfall amounts from this system are in
the 1 to 2 inch range throughout the cwa... Which could be
troublesome in some locations, especially with area rivers already
containing large amounts of ice. With the possibility of early
season ice jam flooding, a flood watch may be necessary as this
event draws closer.

The rest of the period looks comparatively quiet under northwest
flow aloft and broad high pressure at the surface. A weak system
may bring some snow showers to the region on Monday, but
christmas day looks quiet at this point with only some upslope
snow showers possible in the mountains.

Aviation 02z Wednesday through Sunday
Short term...VFR tonight through Wednesday night.

Long term... Reductions in vsby expected late Thursday evening into
Friday morning with the mixed precipitation during that period,
likely leading to MVFR or lower conditions if not already there
because of low cigs.VFR conditions otherwise, although some of the
northern terminals may see MVFR conditions in any snow showers that
occur.

Marine
Short term... Have dropped gales over the outer waters to sca's
for the remainder of the night. Continuing SCA in casco bay.

Long term... Scas likely outside the bays throughout the period.

Tides coastal flooding
An onshore flow and high astronomical tides could combine to
produce some beach erosion and coastal flooding during the mid morning
high tide on Saturday.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Small craft advisory until 4 am est Wednesday for anz153.

Small craft advisory until 6 am est Wednesday for anz150>152-
154.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 7 mi51 min 23°F 39°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 8 mi31 min W 16 G 19 26°F 44°F1 ft1014.5 hPa (+1.6)14°F
WEXM1 - Wells Reserve, ME 21 mi81 min W 2.9 22°F 11°F
WELM1 - 8419317 - Wells, ME 22 mi51 min WNW 6 G 9.9 22°F 42°F1015.5 hPa
44030 - Buoy B0102 - Western Maine Shelf 27 mi77 min WNW 19 G 23 27°F 45°F3 ft1014.6 hPa
IOSN3 - Isle of Shoals, NH 45 mi81 min WNW 21 G 23 24°F 1015.1 hPa (+1.7)13°F
BGXN3 - Great Bay Reserve, NH 45 mi96 min W 8 24°F 14°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME7 mi30 minVar 610.00 miFair20°F10°F65%1015.1 hPa

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6N116N8N744NW7NW9NW8NW5W6W6W7NW9NW6W7W11
2 days agoCalmW33CalmCalm5554CalmNE9NE12NE13E11NE10NE13NE9E7556NE9NE11NE13

Tide / Current Tables for Richmond Island, Maine
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Richmond Island
Click for Map
Tue -- 12:33 AM EST     1.01 feet Low Tide
Tue -- 02:10 AM EST     Moonset
Tue -- 06:54 AM EST     8.84 feet High Tide
Tue -- 07:09 AM EST     Sunrise
Tue -- 01:11 PM EST     0.86 feet Low Tide
Tue -- 01:38 PM EST     Moonrise
Tue -- 04:05 PM EST     Sunset
Tue -- 07:21 PM EST     8.29 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.11.93.45.47.38.58.88.375.131.50.91.12.3467.58.28.17.15.53.4

Tide / Current Tables for Portland Head Light, Maine
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Portland Head Light
Click for Map
Tue -- 12:34 AM EST     1.00 feet Low Tide
Tue -- 02:10 AM EST     Moonset
Tue -- 06:55 AM EST     8.75 feet High Tide
Tue -- 07:09 AM EST     Sunrise
Tue -- 01:12 PM EST     0.85 feet Low Tide
Tue -- 01:37 PM EST     Moonrise
Tue -- 04:05 PM EST     Sunset
Tue -- 07:22 PM EST     8.20 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.11.83.35.37.28.48.78.36.9531.50.91.12.23.95.97.48.187.15.43.4

Weather Map and Satellite Images
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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 (22,6,7,8)
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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.