Friday, July19, 2019 L-36.com


Marine Weather and Tides
Boothbay Harbor, ME

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:13AMSunset 8:19PM Friday July 19, 2019 6:55 PM EDT (22:55 UTC) Moonrise 10:08PMMoonset 7:40AM Illumination 92% Phase: Waning Gibbous; Moon at 18 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- 309 Pm Edt Fri Jul 19 2019
Tonight..SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Areas of fog after midnight with vsby 1 to 3 nm.
Sat..SW winds 5 to 10 kt. Seas 2 to 3 ft.
Sat night..SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sun..SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. Some tstms may produce gusty winds and heavy rainfall.
Sun night..NW winds 5 to 10 kt. Seas around 2 ft. A chance of tstms in the evening. A chance of showers. Some tstms may produce gusty winds and heavy rainfall in the evening.
Mon..N winds 5 to 10 kt, becoming se in the afternoon. Seas around 2 ft. A chance of showers.
Mon night..SE winds around 5 kt, becoming N after midnight. Seas around 2 ft. Showers likely.
Tue..NW winds around 5 kt. Seas 2 to 4 ft. A chance of showers.
Tue night..W winds around 5 kt. Seas 3 to 5 ft.
Wed..SW winds 5 to 10 kt. Seas around 3 ft.
Wed night..SW winds 5 to 10 kt. Seas around 3 ft. Winds and seas higher in and near tstms.
ANZ100 309 Pm Edt Fri Jul 19 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. Expect a west to southwest flow over the waters tonight becoming onshore in a sea breeze on Saturday. A cold front drops south out of canada on Sunday and crosses the gulf of maine Sunday night. It will stall south of cape cod early next week. &&


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 191925
afdgyx
area forecast discussion
national weather service gray me
325 pm edt Fri jul 19 2019

Synopsis
A hot and humid air mass which has been baking over the midwest
will move into the area on Saturday. Expect the temperature to
top 90 degrees just about everywhere with some places getting
close to 100 degrees. With the humidity it will feel even
hotter. A cold front drops down from the northwest on Sunday
with one more hot and humid day before the front cools things
down. Low pressure may move up along this front, bringing
showers to the region Monday into Monday night. An upper level
trough may bring a risk for a shower through midweek.

Near term tonight
The hot and humid weather has already made its way into new
hampshire this afternoon. While we will soon lose our daytime
heating, the humid conditions will continue to spread eastward
overnight. Low temperatures tonight will be in the 60s and 70s,
with the warmest lows in southern new hampshire where it will
struggle to get below the mid 70s. Meanwhile ocean clouds and
fog may move into the midcoast of maine overnight. Some
thunderstorms to our west will try to move east into our area
this evening and tonight, but these are expected to die off
before or shortly after reaching our area so precipitation
chances remain low.

Short term Saturday through Saturday night
The long-awaited, much-anticipated, hottest-day-of-the-year
finally arrives on Saturday, although that last descriptor might
not hold true for all areas (see long term discussion for Sunday
heat). Models are pretty consistently showing very warm
temperatures at 925 and 850 mb which will support widespread
high temperatures in the 90s with upper 90s likely in southern
new hampshire. Cannot rule out a few 100 degree readings, but
current forecast temperatures are just below that. With deep
mixing on Saturday the oppressive dewpoints will ease somewhat
during the afternoon, but not enough to prevent heat index
values from reaching 95 degrees for most of the area and 105+
degrees in the worst spots. In general this thinking fits well
with prior forecasts although highs were tweaked a degree or two
cooler and dewpoints a touch higher.

A westerly low level flow was initially thought to keep the sea
breeze from being much of a factor from portland southward, but
ultimately this west wind will not be strong enough to overcome
the sea breeze generated from such extreme warming of the land
surface. Thus we do expect a cooling sea breeze along the entire
coastline with the earliest and deepest penetration of the sea
breeze occurring on the midcoast and the latest arrival being on
the new hampshire coast. This will pull temperatures back 5 to
10 degrees once it moves through, though the humidity will
remain. It seems the best place to escape the heat tomorrow will
be at the beaches.

Another round of thunderstorms to our west will attempt to move
in Saturday night. This will have a better chance of making it
here as a cold front drops in from the north. However there is
still a good chance these die off before arriving given the loss
of daytime heating before they get here. It will be a muggy
night with most areas only falling into the 70s.

Long term Sunday through Friday
A cold front crosses through the region Sunday. The exact timing
of the passage of this front will determine the extent of
convection across the region as well as daytime high
temperatures for the later half of the weekend.

There are slight differences in this timing from one model to
another. A faster cooler scenario still brings air temperatures
in the 90s over southwest maine and southern new hampshire with
dew point values into the lower 70s. High heat indices of 100 to
105 degrees still expected over interior southeast new
hampshire, prompting excessive heat warnings to remain in place.

If they front is delayed moving through, heat indices may climb
slightly higher across this region and into interior york county.

There is the potential for winds to remain offshore along
portions of coastal york and rockingham counties Sunday, with a
sea breeze potentially limited to only direct shoreline
communities. If this occurs, increased apparent temperatures may
expand briefly to some southern, nearshore locations. This will
continued be monitored for possible future headlines.

With the passage of a cold front and high CAPE and precipitable
water values (especially over southern areas), there remains the
potential for a couple storms becoming strong to severe. Primary
threats continue to be strong, gusty winds and locally heavy
downpours.

Models are now suggesting the possibility of cyclogenesis along
the cold front as it settles just south of our region Monday
into Monday night. If this occurs, showers may advance northeast
along the front for the beginning portion of the week.

During the midweek period, there remains the outside chance for
a brief shower as an upper level area of low pressure remains
near our region.

Aviation 19z Friday through Wednesday
Short term...VFR conditions expected except for possible marine
stratus and fog at rockland tonight as well as valley fog at
whitefield. Light winds on Saturday will allow a sea breeze to
form at the coast especially along the coast of maine.

Long term... Scattered thunderstorms expected on Sunday as a cold
front crosses the region. Areas of MVFR or ifr conditions
developing in low clouds and locally heavy rainfall. Conditions
gradually improve Sunday night. Lowering cloud cover possible
Monday into Monday night as low pressure brings showers to the
region.

Marine
Short term... Light southwest winds expected.

Long term... Light southwest flow continues through Sunday when a
cold front drops down from the northwest. This front drops south
of the area and stalls south of CAPE cod through early next
week as low pressure tracks northeast along it.

Climate
It will be hot this weekend and record high temperatures may be
challenged. The record highs are as follows:
july 20
concord: 101 in 1977
portland: 96 in 1949
july 21
concord: 101 in 1977
portland: 99 in 1977

Equipment
The sugarloaf nwr transmitter is off the air until further
notice. This will be an extended outage as the tower, which was
severely damaged in a winter storm, is rebuilt.

Gyx watches warnings advisories
Me... Heat advisory from 11 am Saturday to 7 pm edt Sunday for
mez012>014-018>028.

Nh... Heat advisory from 11 am Saturday to 7 pm edt Sunday for
nhz002>007-009-011-014.

Excessive heat warning from 11 am Saturday to 7 pm edt Sunday
for nhz008-010-012-013-015.

Marine... None.

Near term... Kimble
short term... Kimble
long term... Cannon


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44032 - Buoy E0104 - Central Maine Shelf 17 mi112 min S 7.8 G 9.7 62°F 59°F2 ft1006.6 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 34 mi66 min SSW 5.8 G 7.8 67°F 62°F2 ft1006.7 hPa (-0.5)65°F
CASM1 - 8418150 - Portland, ME 35 mi62 min 74°F 62°F
44033 - Buoy F0103 - West Penobscot Bay 37 mi112 min SSW 9.7 G 9.7 60°F 60°F2 ft1007.3 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wiscasset Airport, ME8 mi63 minS 610.00 miFair74°F63°F69%1007.4 hPa

Wind History from IWI (wind in knots)
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Last 24hrSE33CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE4SE45S7SE7S9S6S6SW86S6
1 day ago3S34CalmCalmCalmCalmCalm3Calm5364444Calm536S85S5
2 days agoSE34SW4SW3SW4CalmCalmCalmCalmCalmCalmCalmCalmSW4W5433W53433S4

Tide / Current Tables for Boothbay Harbor, Maine
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Boothbay Harbor
Click for Map
Fri -- 01:17 AM EDT     9.54 feet High Tide
Fri -- 05:13 AM EDT     Sunrise
Fri -- 07:38 AM EDT     0.14 feet Low Tide
Fri -- 07:40 AM EDT     Moonset
Fri -- 01:51 PM EDT     8.45 feet High Tide
Fri -- 07:42 PM EDT     1.11 feet Low Tide
Fri -- 08:15 PM EDT     Sunset
Fri -- 10:07 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.79.59.385.93.51.50.40.21.12.956.98.18.47.86.34.32.51.31.21.93.55.6

Tide / Current Tables for Lowe Point (northeast of), Sasanoa River, Maine Current
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Lowe Point (northeast of)
Click for Map
Fri -- 03:01 AM EDT     -0.00 knots Slack
Fri -- 05:13 AM EDT     Sunrise
Fri -- 05:24 AM EDT     -2.01 knots Max Ebb
Fri -- 07:40 AM EDT     Moonset
Fri -- 09:28 AM EDT     0.00 knots Slack
Fri -- 11:44 AM EDT     1.38 knots Max Flood
Fri -- 03:38 PM EDT     -0.00 knots Slack
Fri -- 05:43 PM EDT     -1.56 knots Max Ebb
Fri -- 08:15 PM EDT     Sunset
Fri -- 09:26 PM EDT     0.00 knots Slack
Fri -- 10:07 PM EDT     Moonrise
Fri -- 11:48 PM EDT     1.50 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.30.90-1.2-1.9-1.9-1.6-1.2-0.50.51.21.41.31.20.7-0.4-1.4-1.5-1.2-0.8-0.30.51.3

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.
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Wind Forecast for Gray/Portland, ME (18,4,5,8)
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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.