Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Searsport, ME

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:23AMSunset 6:57PM Sunday March 26, 2017 8:37 PM EDT (00:37 UTC) Moonrise 5:50AMMoonset 5:22PM 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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ANZ151 Penobscot Bay- 555 Pm Edt Sun Mar 26 2017
.small craft advisory in effect from Monday morning through late Monday night...
Tonight..SE winds 5 to 10 kt. Seas 1 foot or less. Snow likely... Mainly after midnight. Patchy fog after midnight. Vsby 1 to 3 nm.
Mon..SE winds 10 to 20 kt with gusts up to 25 kt. Seas 1 foot or less...then 2 to 3 ft in the afternoon. Snow and sleet. Rain. Patchy fog.
Mon night..E winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Rain. Patchy fog.
Tue..NE winds 5 to 10 kt. Seas 1 to 2 ft. A chance of rain.
Tue night..E winds 5 to 10 kt...becoming ne after midnight. Seas 1 to 2 ft. A chance of rain in the evening...then a chance of showers after midnight.
Wed..N winds 5 to 10 kt...increasing to 10 to 15 kt in the afternoon. Seas 1 foot or less...then 1 to 2 ft in the afternoon.
Wed night..NW winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Thu..N winds 10 to 20 kt with gusts up to 30 kt. Seas around 3 ft.
Thu night..N winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft.
Fri..NW winds 5 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 foot or less.
ANZ100 555 Pm Edt Sun Mar 26 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure shifts east toward nova scotia overnight with an easterly flow developing over the waters. Low pressure will track east through southern new england and into the gulf of maine on Monday. Another low will follow a similar track Tuesday night. High pressure then builds in out of the northwest through the end of the week.

7 Day Forecast for Marine Location Near Searsport, ME
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location: 44.45, -68.91     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 262216
afdgyx
area forecast discussion
national weather service gray me
616 pm edt Sun mar 26 2017

Synopsis
A warm front will approach from the southwest tonight, before a
weak wave of low pressure forms and passes through the gulf of
maine Monday. This will provide a round of mixed wintry
precipitation Sunday night into Monday. Low pressure moves north
of the region on Tuesday and drags a cold front through on
Wednesday. High pressure will build in from canada for the end
of the week.

Near term /until 6 am Monday morning/
6 pm update: a few areas of very light precipitation upstream
will continue to move northeast this evening with most, if not
all, of it drying up as it moves into the forecast area due to
a very dry air mass over the area in the lower levels. Surface
temps are running 35-42 degs ATTM based on latest mesonet data
so increased temps into this evening. Also made adjustments to
ptype into the early evening. Based on the warm boundary layer
temps and developing low level southeast flow any very light
pcpn that does reach the ground could fall as rain.

Will be watching to see how surface temps/dewpts react this
evening to the low level southeast flow becoming established.

Dewpoints already rising and temps may struggle to fall below
freezing over southern and coastal areas before they rise later
tonight. Any evaporational cooling over southern areas may not
offset the WAA due to the sely flow. It appears we may need to
drop some advisories on a later update over some areas across
southern nh and parts of coastal me.

Previous discussion:
two batches of precipitation will cross our forecast area. First
batch over western new england this afternoon will attempt this
passage the rest of this afternoon and evening. However,
extremely dry canadian air remains in place in the lower levels
of the atmosphere. Much of the echoes shown on radar will
dissipate before any precipitation reaches the ground.

Nevertheless, latest model suite projecting light precipitation
overnight in a warm air advection, cyclonic flow. With such cold
and dry air in place, this precipitation will mainly be in the
form of light sleet or snow. The most likely area to have
freezing rain accretion still appears to be southern new
hampshire.

Used a non-diurnal curve for the overnight lows. Temperatures
will likely drop with some light precipitation due to
evaporation cooling with the first batch. Thereafter,
temperatures warm through the night.

Short term /6 am Monday morning through Monday night/
Mixed precipitation gradually changes to rain over southern and
central areas during the day Monday with mixed precipitation
continuing in the north. A weak wave of low pressure will
likely form in the gulf of maine during the day. This will
prevent significant warming as winds become northwest for a
period of time.

Areas of mixed precipitation likely to continue over the north
Monday night. However, much of the dynamics associated with the
system will have shifted to the east of the region. Any
precipitation should be light.

Long term /Tuesday through Sunday/
The models remain in decent agreement on the longwave pattern
through late in the work week. Thereafter, timing and strength of
individual impulses embedded in fast flow across the northern
tier of the CONUS becomes problematic. There is a corresponding
decrease in forecaster confidence in sensible weather details
after day five. We begin the period with a digging shortwave
impulse near the southern tip of hudson bay and a weakening
impulse over the midwest. By late Wednesday... We're left with
shortwave energy centered over eastern new england. At the
surface... Low pressure will track from the lower great lakes to
southern new england by Tuesday night with an area of overrunning
rain... And some light wintry mix near the international
border... Ahead of this disturbance. By early Wednesday... The low
and associated frontal system will exit the coast with a brisk
northwest flow in its wake along with some upslope clouds and snow
showers for the higher terrain. Rising heights arrive for Thursday
with a building ridge of high pressure providing a dry but brisk
day as gusty northwest winds continue. The ridge will crest
overhead Thursday night before retreating offshore on Friday. The
next impulse and associated surface low should approach from the
midwest by early Saturday. However... Models offer a plethora of
solutions with this system lending considerable uncertainty to
sensible weather details for next weekend.

Aviation /22z Sunday through Friday/
Short term... Very dry air in place initially in the lower
levels. However, moisture will eventually brings ceiling and
visibilities down into the ifr category later tonight through
Monday. Possible llws away from the coast tonight if winds aloft
increase sufficiently.

Some modest improvement in ceilings/visibilities Monday night.

Long term...

tue... MVFR with areas of ifr in ceilings... -ra and fog.

Wed - thu... Sct MVFR in mtn -shra/-shsn.

Nw sfc wind gusting to 25 kt.

Marine
Short term... Have raised flags for small craft. Winds increase
out of the southeast on Monday. Seas will remain above 5 feet
for the outer waters, so scas will continue into Monday night.

Long term...

wed - thu... Small craft conditions are likely.

Gyx watches/warnings/advisories
Me... Winter weather advisory until 5 pm edt Monday for mez007>009-
012>014-018>022.

Winter weather advisory until 10 am edt Monday for mez023>028.

Nh... Winter weather advisory until 5 pm edt Monday for nhz001>004-
006-009-010.

Freezing rain advisory until 10 am edt Monday for nhz005-007-
008-011>015.

Marine... Small craft advisory from 8 am to 6 pm edt Monday for anz153.

Small craft advisory from 8 am Monday to 6 am edt Tuesday for
anz150>152-154.

Near/short term... Marine


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 28 mi93 min SSW 9.7 G 14 32°F 36°F2 ft1032.8 hPa
ATGM1 - 8413320 - Bar Harbor, ME 38 mi49 min W 5.1 G 8 31°F 35°F1031.7 hPa
MISM1 - Matinicus Rock, ME 46 mi37 min SSW 9.9 G 11 32°F 1032.6 hPa (+0.0)17°F
44034 - Buoy I0103 - Eastern Maine Shelf 49 mi93 min SSW 9.7 G 12 32°F 40°F2 ft1032.7 hPa

Wind History for Bar Harbor, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bangor, Bangor International Airport, ME25 mi44 minS 810.00 miPartly Cloudy30°F15°F54%1032.1 hPa

Wind History from BGR (wind in knots)
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Last 24hrN10
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NW12NW5NW4N8N9N7N9N11N9NE7N7N10NE8N7N4CalmE4CalmCalmSE3CalmS7S8
1 day agoS5S4CalmNW4NW3W5NW6W6W6NW6NW4NW8NW7NW7NW10N8NW12NW10NW6NW10NW7NW8NW7NW6
2 days agoNW5W5SW3W4SW5SW3CalmSW3SW3S4S4S5S7S8S12S10
G18
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Tide / Current Tables for Belfast, Penobscot Bay, Maine
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Belfast
Click for Map
Sun -- 04:06 AM EDT     0.36 feet Low Tide
Sun -- 05:50 AM EDT     Moonrise
Sun -- 06:27 AM EDT     Sunrise
Sun -- 10:20 AM EDT     11.23 feet High Tide
Sun -- 04:31 PM EDT     -0.32 feet Low Tide
Sun -- 05:22 PM EDT     Moonset
Sun -- 06:56 PM EDT     Sunset
Sun -- 10:44 PM EDT     11.12 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
85.531.10.40.92.65.2810.111.210.99.36.63.71.3-0.1-0.21.23.66.69.110.711.1

Tide / Current Tables for Castine, Penobscot Bay, Maine
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Castine
Click for Map
Sun -- 04:08 AM EDT     0.29 feet Low Tide
Sun -- 05:49 AM EDT     Moonrise
Sun -- 06:26 AM EDT     Sunrise
Sun -- 10:23 AM EDT     11.03 feet High Tide
Sun -- 04:35 PM EDT     -0.32 feet Low Tide
Sun -- 05:21 PM EDT     Moonset
Sun -- 06:55 PM EDT     Sunset
Sun -- 10:49 PM EDT     10.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.25.73.11.10.30.82.44.97.79.910.910.89.46.941.4-0.1-0.213.36.28.810.410.8

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 (20,4,5,8)
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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.