Saturday, August18, 2018 L-36.com


Marine Weather and Tides
Boothbay Harbor, ME

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Sunrise 5:46AMSunset 7:40PM Saturday August 18, 2018 12:25 PM EDT (16:25 UTC) Moonrise 1:51PMMoonset 12:00AM Illumination 47% Phase: First Quarter Moon; Moon at 7 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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ANZ152 Coastal Waters From Port Clyde, Me To Cape Elizabeth, Me Out 25 Nm- 1116 Am Edt Sat Aug 18 2018
This afternoon..W winds 5 to 10 kt. Seas around 3 ft. A chance of showers.
Tonight..NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the evening.
Sun..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Sun night..NE winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Mon..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Mon night..NE winds 5 to 10 kt. Seas 2 to 4 ft.
Tue..E winds 5 to 10 kt. Seas 2 to 3 ft.
Tue night..SE winds 5 to 10 kt. Seas 2 to 3 ft. Scattered showers.
Wed..S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely with scattered tstms.
Wed night..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms.
ANZ100 1116 Am Edt Sat Aug 18 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure over northern new england will exit into the maritimes later today pulling a trailing cold front across the waters. High pressure will build in from the northeast tonight through Sunday and then hold over the region Monday and Tuesday. Low pressure will move in from the west Tuesday night and Wednesday. High pressure will follows for Wednesday night and Thursday.


7 Day Forecast for Marine Location Near Boothbay Harbor, ME
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location: 43.84, -69.64     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 181526
afdgyx
area forecast discussion
national weather service gray me
1126 am edt Sat aug 18 2018

Synopsis
Low pressure over northern new england will exit into the
maritimes later today pulling a trailing cold front across the
area. Ahead of this front we'll see a few showers and
thunderstorms into this evening. High pressure and drier air
will build in from the northeast tonight through Sunday and
then hold over the region Monday and Tuesday. Low pressure will
move in from the west Tuesday night and Wednesday. High pressure
follows this system for Wednesday night and Thursday.

Near term until 6 pm this evening
1100 am update...

cold front currently dropping south through southern new
hampshire and coastal maine late this morning. Showers along
this boundary have been diminishing through the morning although
lingering instability in southern zones may produce additional
showers into the afternoon. Fair amount of low level moisture
lags behind the front in the mountains while some sunny breaks
are developing in down sloping winds in central new hampshire
and maine. Have updated pops and wx grids based on current radar
loops. No major changes to current forecast planned attm.

Prev disc...

559 am... Minor estf update to reflect the current mesonet in
near term grids.

Prev disc...

at 06z... A 1008 millibar low was near sherbrooke with a warm
front extending through central and downeast maine and a
trailing cold front through the lower great lakes. NWS doppler
radar mosaic showed widespread convection with some embedded
thunder. For today... The surface low will race east and offshore
near the bay of fundy during the afternoon with the surface cold
front settling slow southward across the forecast area. We'll
continue to see scattered to broken convection traverse the
area along and ahead of this boundary and associated upper
impulse. The 00z raobs revealed an extensive plume of
precipitable water values near 2 inches across the area and
this will continue to produce tropical downpours with localized
flooding potential. There will be some heating in the warm
sector ahead of the cold front... Particularly over southeast
new hampshire and extreme southwest maine yielding capes near
1500 j kg with forecast soundings suggesting a few stronger
multicell storms and line segments with gusty winds to accompany
the tropical downpours. Highs today will be mainly in the 70s
with some lower 80s for southeast new hampshire and adjacent
southwest maine.

Short term 6 pm this evening through 6 pm Sunday
High pressure and drier air begins to build into northern
sections and the international border area late today. This
drier air and clearing trend will gradually work south with any
lingering showers ending overnight. We'll see some fog and
stratus develop overnight... Especially across the northern
valleys. On Sunday... .A few clouds will linger along the new
hampshire massachusetts border with a low chance for a spot
shower... Otherwise high pressure and drier air will dominate
northern new england. The easterly flow will keep us on the cool
side... Especially close to the coast. Highs will be in the 70s.

Long term Sunday night through Friday
With the ECMWF trending weaker and farther S with the S WV trof
sun into mon... The extended is basically two periods of high
pressure punctuated by the passage of a deeper trof.

High pressure and generally gradient flow Mon should allow for
sea breezes to develop with seasonable and comfortable
temps dewpoints. Return flow begins in earnest the second half
of tue. A warm front S of SRN new england will surge nwd thru
the day. With the return of deeper moisture we may see
fog stratus develop Tue night. With a seasonably strong surface
low pressure and h8 jet... An area of rainfall will also approach
from the W late Tue into wed. Both the jet and associated S wv
trof are weakening with time... So precip character may become
more scattered with time. However... Enough forcing remains for
likely pop showers... And embedded thunder with the lingering 30
kt h8 jet taking advantage of weak instability. Pwats do look
like they will surge back towards 2 inches ahead of the
front... And while embedded convection may be capable of heavy
rain... The threat does not look widespread enough to include
wording in the forecast at this time.

High pressure returns behind the front thu... And a trailing
secondary cold front will move swd thru canada. At this time it
looks like return flow will prevent that trailing front from
moving S of the st. Lawrence valley in quebec... And keeping much
cooler air at bay.

Aviation 15z Saturday through Wednesday
Short term through Sunday ... Areas of MVFR ifr ceilings vsby
persisting through Saturday. Gradually becomingVFR with areas
of ifr lifr ceilings vsby in valley fog tonight. BecomingVFR
through aft 13z Sunday.

Long term...VFR conditions prevail until midweek. An approaching
front will bring shra and embedded tsra late Tue into wed. Local
ifr or lower conditions will be possible in the heaviest
convection. Ahead of the front we will also have to watch for
marine fog and stratus moving into coastal terminals.

Marine
Short term through Sunday ... Winds and seas remain below sca
threshold. However... Winds shift into the northeast behind the
cold front for tonight and Sunday. The winds and seas outside
the bays will increase and cold briefly approach sca's in the
northeast flow.

Long term... Ne flow behind the cold front may allow some seas
s of CAPE elizabeth to near 5 ft into mon. Otherwise... Winds and
seas are expected to remain below SCA thresholds. The next
chance for 25 kt gusts and 5 ft seas will be wed... As a llj
lifts across the waters.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44032 - Buoy E0104 - Central Maine Shelf 17 mi81 min SW 12 G 14 66°F 63°F3 ft1006.3 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 34 mi35 min SW 1.9 G 1.9 69°F 65°F2 ft1007.8 hPa (+0.4)68°F
CASM1 - 8418150 - Portland, ME 35 mi43 min 79°F 63°F1007.9 hPa
44033 - Buoy F0103 - West Penobscot Bay 37 mi81 min SW 3.9 G 5.8 65°F 66°F2 ft1006.4 hPa
MISM1 - Matinicus Rock, ME 42 mi85 min WSW 16 G 17 67°F 1007 hPa (-0.5)

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wiscasset Airport, ME8 mi32 minVar 610.00 miMostly Cloudy79°F69°F72%1008.1 hPa

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Last 24hrS5S765S6S6SE3CalmSW3CalmSE4CalmCalm3CalmSW4SW5SW5SW5SW4SW3SW356
1 day ago4554Calm3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm3Calm4
2 days agoCalmSE5S7S5S4SW7SW54W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm5--

Tide / Current Tables for Boothbay Harbor, Maine
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Boothbay Harbor
Click for Map
Sat -- 03:49 AM EDT     First Quarter
Sat -- 05:22 AM EDT     8.63 feet High Tide
Sat -- 05:46 AM EDT     Sunrise
Sat -- 11:25 AM EDT     0.58 feet Low Tide
Sat -- 01:50 PM EDT     Moonrise
Sat -- 05:49 PM EDT     9.14 feet High Tide
Sat -- 07:37 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.624.16.27.88.68.47.35.43.31.60.70.71.83.75.87.78.89.18.46.84.62.61.1

Tide / Current Tables for Lowe Point (northeast of), Sasanoa River, Maine Current
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Lowe Point (northeast of)
Click for Map
Sat -- 12:52 AM EDT     0.00 knots Slack
Sat -- 03:08 AM EDT     1.39 knots Max Flood
Sat -- 03:49 AM EDT     First Quarter
Sat -- 05:46 AM EDT     Sunrise
Sat -- 07:00 AM EDT     -0.00 knots Slack
Sat -- 09:14 AM EDT     -1.79 knots Max Ebb
Sat -- 01:11 PM EDT     0.00 knots Slack
Sat -- 01:51 PM EDT     Moonrise
Sat -- 03:36 PM EDT     1.51 knots Max Flood
Sat -- 07:35 PM EDT     -0.00 knots Slack
Sat -- 07:38 PM EDT     Sunset
Sat -- 09:46 PM EDT     -1.69 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.80.111.41.31.20.90-1.2-1.8-1.6-1.3-0.9-0.20.81.41.51.41.30.7-0.5-1.5-1.7-1.5

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 (12,3,4,5)
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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.