Saturday, April21, 2018 L-36.com


Marine Weather and Tides
Cumberland Center, ME

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 5:45AMSunset 7:33PM Saturday April 21, 2018 11:35 AM EDT (15:35 UTC) Moonrise 10:20AMMoonset 12:43AM Illumination 37% 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- 922 Am Edt Sat Apr 21 2018
Rest of today..NW winds around 10 kt. Seas 1 to 2 ft.
Tonight..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Sun..W winds 5 to 10 kt. Seas 1 to 2 ft in the morning, then 1 foot or less.
Sun night..NW winds 5 to 10 kt. Seas 1 foot or less.
Mon..NW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then 1 to 2 ft in the afternoon.
Mon night..SW winds 5 to 10 kt. Seas 1 to 2 ft.
Tue..SW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Tue night..SW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft. Rain likely.
Wed night..E winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Rain likely.
ANZ100 922 Am Edt Sat Apr 21 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure continues to move slowly northeast through the maritimes today. High pressure builds in by the end of the weekend with Sunny and warmer weather likely appearing early next week.

7 Day Forecast for Marine Location Near Cumberland Center, ME
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location: 43.76, -70.25     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 211325 aab
afdgyx
area forecast discussion... Updated
national weather service gray me
925 am edt Sat apr 21 2018

Synopsis
Low pressure centered over newfoundland will continue to
circulate a few clouds into the area today... Especially across
northern and mountain sections. By Sunday... High pressure and
sunny weather arrives along with the start of a gradual warming
trend. By mid week, unsettled weather returns with the approach
of our next storm system.

Near term through tonight
925 am update... Few changes at this time. Temperatures are on
their way up and daytime forecast looks on track with 50s over
the coastal plain and over southern nh. NW flow and clouds will
keep things cooler over the mountains and foothills.

625 am... Minor estf update to reflect current satellite trends
as well as the 10z mesonet in near term grids.

Prev disc...

at 06z... A 994 millibar surface low was centered over
newfoundland with a weak surface trough extending westward
into the gaspe peninsula. A sprawling area of 1032 millibar high
pressure extended from hudson bay southward across the great
lakes. GOES imagery showed clouds and shortwave impulses
pivoting around the stacked system over newfoundland and into
northern new england. For today... We'll continue to see broken
clouds across the higher terrain and over our eastern and
northern maine zones in continued cyclonic and upslope flow.

Elsewhere... A few fair weather clouds will develop in response
to daytime heating. The gusty westerly flow between the
maritimes system and high pressure will continue before the
gradient begins to relax later today. It'll be another chilly
day by late april standards as we warm into the 40s across the
mountains... With upper 40s and lowers 50s for the remainder of
the area.

Short term Sunday
With the exception of a few lingering upslope clouds in the
mountains... And over our northern and eastern maine zones with
the upper low... Skies will become mostly clear tonight. Winds
will also drop off and we'll see a cold night with overnight
readings in the 20s to around 30. Sunday will be a mostly
sunny day with light winds under the building surface high.

Temperatures will warm into the 40s along the international
border... With lower and mid 50s for the remainder of the
forecast area.

Long term Sunday night through Friday
Model guidance remains consistent with ridging to the N of upper
low trof forecast to slowly churn across the srn CONUS thru
early next week. The gradual warm up will continue into early
next week... With some readings in the 60s likely Mon and tue.

Multi-model consensus is a little on the cool side... Mainly
because the recent colder than normal wx is dragging the bias
correction away from warm temps. I have added a little more mos
guidance to the blend to try and offset that effect thru tue.

By late Tue thru Wed model guidance brings in the next round of
precip. That slow moving upper low lift newd... And with pwat
values forecast to be above normal for this time of year we
should see a pretty widespread rainfall. While it will not be a
warm rain... It will be mild enough for mainly rain except for
the highest elevations of the forecast area. The combination of
gradual snow melt in the milder temps plus rainfall will allow
river flows to increase thru next week. Looking at ensemble flow
guidance... That is enough to push a handful of headwater gauge
locations above flood stage late in the week. So it will be
something to keep an eye on.

Beyond midweek the pattern remains consistent with general
trofing over the ERN conus. With the trof axis centered to our w
that could allow for some sneaky warm days in SW flow
aloft... But overall not a much above normal look. It should also
keep precip chances in the forecast as well on the downstream
side of the trof.

Aviation 14z Saturday through Wednesday
Short term through Sunday ...VFR.

Long term...VFR conditions expected thru tue. Weak pressure
gradient over the area Mon afternoon will likely allow for some
sea breezes to develop at psm... Pwm... And rkd. Flow becomes more
onshore across a wider area tue. Continued onshore flow and
increasing moisture will allow some areas of MVFR to develop
ahead of an approaching upper low. MVFR ifr possible late tue
into Wed in -ra.

Marine
Short term through Sunday ... Gusty sub-sca westerly flow
continues across the waters today before diminishing tonight
under building surface high.

Long term... Ely flow developing on the N side of an approaching
upper low will bring winds and seas outside the bays to around
sca thresholds.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.

Near term... Hanes
short term... Schwibs
long term... Legro


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 7 mi54 min 48°F 41°F1024.1 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 17 mi46 min NW 14 G 16 44°F 41°F2 ft1024.1 hPa (-0.0)26°F
WEXM1 - Wells Reserve, ME 33 mi96 min NW 6 47°F 23°F
WELM1 - 8419317 - Wells, ME 35 mi48 min NW 6 G 11 48°F 40°F1024.3 hPa
44030 - Buoy B0102 - Western Maine Shelf 41 mi92 min NW 7.8 G 7.8 43°F 42°F1 ft1023.5 hPa
44032 - Buoy E0104 - Central Maine Shelf 48 mi92 min WNW 5.8 G 7.8 42°F 2 ft1022.7 hPa

Wind History for Wells, ME
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NW11
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME8 mi45 minNW 10 G 1710.00 miPartly Cloudy50°F26°F39%1024.1 hPa
Auburn-Lewiston, ME20 mi40 minN 1510.00 miPartly Cloudy47°F21°F37%1025.3 hPa

Wind History from PWM (wind in knots)
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NW11W10W11W1156W4CalmSW3W6W6SW3NW8NW15
G25
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1 day agoS9
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SW43NW11
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NW6NW76NW7NW7NW5W7W6W6NW9NW8NW13NW8NW16
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2 days agoW11
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S7SW8SW76W96SW6554SW6SW4SW5SW4S5SW6

Tide / Current Tables for Falmouth Foreside, Maine
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Falmouth Foreside
Click for Map
Sat -- 12:42 AM EDT     Moonset
Sat -- 03:29 AM EDT     10.53 feet High Tide
Sat -- 05:48 AM EDT     Sunrise
Sat -- 09:56 AM EDT     -0.62 feet Low Tide
Sat -- 10:20 AM EDT     Moonrise
Sat -- 04:15 PM EDT     9.29 feet High Tide
Sat -- 07:31 PM EDT     Sunset
Sat -- 10:13 PM EDT     0.60 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.36.99.210.410.49.27.14.41.7-0.1-0.60.11.74.16.68.49.397.85.73.41.50.60.9

Tide / Current Tables for Doyle Point, Maine
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Doyle Point
Click for Map
Sat -- 12:42 AM EDT     Moonset
Sat -- 03:26 AM EDT     10.53 feet High Tide
Sat -- 05:47 AM EDT     Sunrise
Sat -- 09:53 AM EDT     -0.53 feet Low Tide
Sat -- 10:20 AM EDT     Moonrise
Sat -- 04:12 PM EDT     9.29 feet High Tide
Sat -- 07:31 PM EDT     Sunset
Sat -- 10:10 PM EDT     0.51 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.47.19.210.410.39.174.31.7-0-0.50.21.94.36.78.59.397.75.63.21.30.50.9

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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Gray/Portland, ME (11,2,3,4)
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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.