Monday, August21, 2017 L-36.com


Marine Weather and Tides
Freeport, ME

Version 3.4
What's New / NOTES
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.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:50AMSunset 7:34PM Monday August 21, 2017 1:56 PM EDT (17:56 UTC) Moonrise 5:32AMMoonset 7:39PM Illumination 0% Phase: New Moon; Moon at 29 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- 1154 Am Edt Mon Aug 21 2017
.small craft advisory in effect from Tuesday evening through Wednesday morning...
Rest of today..SW winds 5 to 10 kt. Seas 1 to 2 ft.
Tonight..SW winds 5 to 10 kt. Seas 1 to 2 ft.
Tue..SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 1 to 2 ft, building to 2 to 3 ft in the afternoon. A chance of showers in the afternoon.
Tue night..S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms.
Wed..SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning.
Wed night..NW winds 5 to 10 kt. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight.
Thu..W winds around 5 kt. Seas 1 to 2 ft.
Thu night..NW winds up to 10 kt. Seas 1 to 2 ft.
Fri..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms.
ANZ100 1154 Am Edt Mon Aug 21 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will build south of the waters through tonight before pushing well offshore to our south on Tuesday. A cold front will cross the waters Wednesday morning before high pressure builds back over the waters for the end of the week.

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 211553
afdgyx
area forecast discussion
national weather service gray me
1153 am edt Mon aug 21 2017

Synopsis
High pressure will build to the south of the region through
tonight before sliding to the east on Tuesday. A cold front
will move across the region Tuesday night and early Wednesday.

High pressure and drier air follows the front Wednesday night
through Friday.

Near term until 7 pm this evening
1150 am... Minor estf update to ingest the latest mesonet into
near term grids.

Prev disc...

855 am... At 12z a ridge of high pressure was draped across new
england. Outside of a few high clouds... And a few fair weather
cumulus to develop in daytime heating... A mostly sunny day with
high temperatures mainly in the 80s. For this estf update... I
made minor adjustments to near term grids to reflect the current
mesonet.

Prev disc...

7am update: quiet morning with only some high clouds spilling
into the region. Only fog this morning seems to be restricted
to the ct river valley area and will burn off in the next hour
or so.

Previous discussion:
patchy early morning fog otherwise mostly sunny conditions
again today. Some high clouds may occasionally spill across the
upper ridge at times. Temperatures will be warm with highs in
the 80s across most areas.

Short term 7 pm this evening through Tuesday night
High pressure centered to our south will continue to dominate
conditions tonight with dry conditions but a slow rise in
dewpoints will be noted making for a muggy night as overnight
lows remain in the lower to mid 60s. Some patchy fog once again
expected after midnight and into Tuesday morning.

Tuesday will be a very warm and humid day with clouds on the
increase and scattered showers and thunderstorms developing from
west to east in the afternoon. Highs will be mostly in the mid
to upper 80s and supported by h85 +15c temps.

Tuesday night widespread showers and scattered thunderstorms
expected. Total QPF amounts should range mostly in the .25-65
inch range by Wed morning. Stayed close to rfcqpf guidance.

Models differ some on ending times with euro slower and NAM gfs
about 3-6 hour sooner.

Long term Wednesday through Sunday
A deep but narrow upper low will stretch from the northwest
passages in canada southward to the mid atlantic region. This
is part of a rex block which will be in the process of mutating.

The easterly low will continue to dig into the northeastern
states from the midweek period through the weekend with weak
energy aloft.

A cold front will be moving offshore Wednesday morning with
precipitation coming to an end from west to east. Should be some
patchy fog around during the morning hours. Wpc's QPF totals for
the next 7 days are less than a half inch everywhere except for
the nh and western me mountains which may see up to an inch.

Most of this is attributed to this event. Over the mountains,
lingering clouds and a shower or two will continue Thursday
before drier air begins to filter in. We should be able to warm
up again under downsloping winds with 80s along the coast and
mid o upper 70s inland. The higher elevations should warm into
the 70s.

High pressure will be in control at the surface beginning
Thursday and for several days fostering drier and cooler
conditions for late this week into early next week. Highs will
drop from the 70s and 80s Wednesday to the 60s and 70s which is
more in line with normal values for this time of year.

Precipitable water values generally drop below 0.60" or less
than 50% of the climatological normal during this time so there
should be some nights when we will see ample radiational cooling
as the high shifts closer overhead. Overnight lows will drop
into the 40s and 50s with some chilly mornings in the higher
elevations. This will be the first taste of fall for many
places.

Aviation 16z Monday through Friday
Short term through Monday night ...VFR... With sct MVFR and lcl
ifr btw 08 - 12z this morning in valley fog. LCL ifr conditions
again btw 06-12z Tue in valley fog. Late Tue and Tue night
conditions lowering to MVFR to ifr in developing showers and
scattered thunderstorms ahead of an approaching cold front.

Long term... Lifr to MVFR conditions are forecast for all
terminals Wednesday as a cold front brings scattered showers to
the region with some heavier rain for the mountains. Showers may
linger for hie and leb through Thursday morning before drying
out along with the rest of the region. Some fog is possible
Thursday morning. OtherwiseVFR for the remainder of the work
week. Westerly winds may initially be gusty on Wednesday before
diminishing under high pressure Thursday and Friday.

Marine
Short term through Monday night ... Winds and seas are expected
to remain below small craft through early Tuesday as surface
high pressure builds to our south. By late Tue and Tue night an
increasing south to southwest flow ahead of the approaching cold
front will allow SCA conditions to develop.

Long term... Seas will remain above small craft criteria through
Wednesday morning at least before diminishing. Winds should stay
below 25 kts.

Tides coastal flooding
We're in the period of high astronomical tides for the month of
august. The high tides of potential concern (referencing
portland harbor where flood stage is 12.0 ft mllw) are:
1140 pm Monday... . 11.2 ft mllw
1231 am Wednesday. 11.1 ft mllw
the Tuesday night high tide (1231 am Wednesday) could see some
splashover as onshore flow and seas increase ahead of an
approaching cold front.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... Small craft advisory from 8 pm Tuesday to 8 am edt Wednesday
for anz151-153.

Small craft advisory from 3 pm Tuesday to 8 am edt Wednesday
for anz150-152-154.

Es


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 14 mi38 min 80°F 60°F1018.1 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 20 mi66 min SSW 9.7 G 12 66°F 64°F2 ft1018.7 hPa (-0.7)62°F
44032 - Buoy E0104 - Central Maine Shelf 40 mi112 min SW 7.8 G 9.7 64°F 60°F2 ft1018.4 hPa
WEXM1 - Wells Reserve, ME 41 mi56 min SSE 2.9 82°F 67°F
WELM1 - 8419317 - Wells, ME 42 mi38 min S 14 G 16 71°F 60°F1019.1 hPa
44030 - Buoy B0102 - Western Maine Shelf 47 mi112 min S 7.8 G 7.8 65°F 64°F2 ft1019.8 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME16 mi65 minVar 610.00 miMostly Cloudy85°F60°F43%1018.6 hPa
Auburn-Lewiston, ME19 mi60 minWSW 8 G 1510.00 miA Few Clouds82°F64°F55%1019.8 hPa
Wiscasset Airport, ME23 mi63 minSW 610.00 miFair84°F61°F46%1018.7 hPa

Wind History from PWM (wind in knots)
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Last 24hrNW13
G18
NW11N12
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NW10NW9NW7W4W3W4W3CalmW4W4W3W3CalmW6W6W4W7SW6S6W96
1 day agoW4SE11S10SE10S6S7S7S4S4SW4SW4SW4SW4SW5CalmCalmCalmCalmSW3W6NW9NW12NW14NW12
2 days agoE7E12E12
G19
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NW8NW6N9N75N644NW5NW45N53W6

Tide / Current Tables for South Freeport, Casco Bay, Maine
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South Freeport
Click for Map
Mon -- 05:20 AM EDT     -1.11 feet Low Tide
Mon -- 05:31 AM EDT     Moonrise
Mon -- 05:51 AM EDT     Sunrise
Mon -- 11:36 AM EDT     9.96 feet High Tide
Mon -- 02:31 PM EDT     New Moon
Mon -- 05:33 PM EDT     -0.49 feet Low Tide
Mon -- 07:34 PM EDT     Sunset
Mon -- 07:39 PM EDT     Moonset
Mon -- 11:52 PM EDT     11.09 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
10.38.45.52.50.1-1-0.80.83.36.18.49.79.98.76.43.61.1-0.3-0.40.93.46.38.910.6

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Mon -- 03:20 AM EDT     -0.00 knots Slack
Mon -- 05:30 AM EDT     Moonrise
Mon -- 05:35 AM EDT     -1.11 knots Max Ebb
Mon -- 05:50 AM EDT     Sunrise
Mon -- 09:23 AM EDT     0.00 knots Slack
Mon -- 12:40 PM EDT     1.10 knots Max Flood
Mon -- 02:31 PM EDT     New Moon
Mon -- 03:52 PM EDT     -0.00 knots Slack
Mon -- 05:58 PM EDT     -0.97 knots Max Ebb
Mon -- 07:33 PM EDT     Sunset
Mon -- 07:37 PM EDT     Moonset
Mon -- 09:34 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11.10.90.3-0.5-1-1.1-0.9-0.7-0.20.40.91.11.110.6-0.1-0.8-1-0.8-0.6-0.30.30.9

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Northeast    EDIT
Geos

Wind Forecast for Gray/Portland, ME (13,3,4,5)
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Ground Weather Radar Station Portland, ME
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weather_mapweather_map weather_map

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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.