Thursday, July20, 2017 L-36.com


Marine Weather and Tides
Gardiner, 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 5:13AMSunset 8:17PM Thursday July 20, 2017 6:36 PM EDT (22:36 UTC) Moonrise 2:28AMMoonset 5:32PM Illumination 8% Phase: Waning Crescent; Moon at 27 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- 330 Pm Edt Thu Jul 20 2017
Tonight..S winds around 5 kt, becoming W around 5 kt after midnight. Seas 1 to 2 ft.
Fri..SW winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Sat..W winds 5 to 10 kt. Seas 1 to 2 ft.
Sat night..NW winds 5 to 10 kt, becoming ne after midnight. Seas 1 to 2 ft. A chance of showers after midnight.
Sun..NE winds around 5 kt, becoming se around 5 kt in the afternoon. Seas 2 to 3 ft. A chance of showers.
Sun night..SE winds around 5 kt, becoming E after midnight. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight. Showers likely with a chance of tstms.
Mon..NE winds around 5 kt. Seas 1 to 2 ft. A chance of showers and tstms.
Mon night..NE winds around 5 kt. Seas 1 to 2 ft. A chance of showers.
Tue..NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Tue night..N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms.
ANZ100 330 Pm Edt Thu Jul 20 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. A weak pressure pattern will continue over the waters with a trough of low pressure along the maine coast. This general theme will continue through Saturday. A stronger area of low pressure may affect the waters early next week.

7 Day Forecast for Marine Location Near Gardiner, ME
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location: 44.17, -69.84     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 201952
afdgyx
area forecast discussion
national weather service gray me
352 pm edt Thu jul 20 2017

Synopsis
Widely scattered thunderstorms across the region will weaken
quickly after sunset tonight. Temperatures will slowly fall back
into the 60s for most locations. Friday temperatures tick up a
degree or two... As westerly... Offshore flow dominates.

Temperatures remain warm into the weekend. A low pressure
system may bring cooler weather and more potential for rainfall
Sunday night into early next week.

Near term tonight
Jet streak moving into the northeast is leading to a broad area
of upper divergence over the forecast area this afternoon and
into the evening. Given the warm and humid air mass in place at
the surface... There is sufficient instability for thunderstorms.

Areas of enhanced surface convergence... Like heating of the
terrain or sea breeze boundaries... Will be the most likely focus
for convection. There is also a S WV trof approaching that may
allow convection to persist across the NRN zones past the loss
of daytime heating... But otherwise diurnal cooling will signal
the weakening of most storms. Until that time any stronger
updraft could produce a strong wind gust or two given effective
shear around 35 to 40 kts.

Some patchy fog is possible late tonight... Especially any areas
that picked up a little rainfall today. With the boundary fairly
stagnant over the area... Low temps will be similar to the past
couple of nights.

Short term 6 am Friday morning through Friday night
Fri expect similar temps overall... As mid level temps remain
fairly consistent. Wly flow may allow for a little extra
downslope warming in the favored locations. Another weak wave
is forecast to approach the area during the day... And will
likely spark another round of widely scattered showers or
storms. We also take another step down in humidity... And fri
night should be a little cooler than the previous days.

Long term Saturday through Thursday
The models remain in decent agreement on the long wave pattern
through the first half of next week. Thereafter, we continue to
see big differences emerge regarding the degree of residual
troffiness here in new england downstream of the central conus
ridge. Overall, we're likely to see both heights and temperatures
run below average for much of the extended period. We begin the
period with a westerly flow and a broad low amplitude trough here
in new england. The weak ridging promised for Sunday in response
to digging upstream shortwave energy over the great lakes has all
but disappeared. The upshot is that the baroclinic zone will stall
further north over new england... And any clearing will be confined
to the international border area as well as our eastern maine zones
as high pressure over eastern canada briefly noses into the forecast
area. By the start of the new work week, this shortwave energy has
carved out a sizable trough across the great lakes and northeast
conus. The trough axis will inch eastward across the region through
the first half of next week keeping the region seasonably cool
and unsettled. In the dailies... We begin the period with a cold
front stretching from our international border area through northern
maine into new brunswick. This cold front will settle south across
the region Saturday and Saturday night with clouds and scattered
convection. By Sunday morning... The boundary will be stalled
across southern new england with any clearing confined to the
international border area and our northern and eastern maine zones
as high pressure briefly noses in. Elsewhere... It'll be a mostly
cloudy day with the best chance for showers across southern and
western new hampshire. By Sunday night... The frontal zone will
ride back north with attendant cloud shield as well as increasing
pops and cool unsettled weather in response to evolving upper
trough. This cool unsettled weather is expected to linger through
the first half of the upcoming work week.

Aviation 20z Thursday through Tuesday
Short term... Widely scattered tsra will continue into the
evening... Weakening after sunset. Confidence is too low to
include at any of the terminals with significant lead time.

OtherwiseVFR conditions return tonight. Leb and hie will be
clear... Cool... And calm enough to see some fog possible after
midnight.VFR conditions continue fri... Though an afternoon wave
may spark some shra or tsra in the mtns. Hie could see
precip... But again confidence is low.

Long term...

sat... Sct MVFR in -shra -tsra.

Sun - tue... Areas of MVFR in -shra -tsra with LCL ifr in coastal
stratus and fog.

Marine
Short term... Winds and seas are expected to remain below sca
thresholds.

Long term...

winds and seas are expected to remain below small craft threshold
through the period.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.

Near term... Legro
short term... Legro
long term... Schwibs
aviation... Legro schwibs
marine... Legro schwibs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44032 - Buoy E0104 - Central Maine Shelf 41 mi92 min SSW 7.8 G 7.8 67°F 63°F2 ft1009.6 hPa
CASM1 - 8418150 - Portland, ME 42 mi48 min 76°F 60°F1009.1 hPa
44033 - Buoy F0103 - West Penobscot Bay 45 mi92 min SSE 5.8 G 7.8 62°F 60°F1 ft1009.7 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 47 mi46 min SSW 16 G 18 72°F 67°F2 ft1008.9 hPa (-1.6)64°F

Wind History for Wells, ME
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Augusta, Augusta State Airport, ME11 mi43 minSSE 1010.00 miThunderstorm80°F66°F62%1008.9 hPa
Wiscasset Airport, ME17 mi43 minS 310.00 miFair78°F66°F67%1009.6 hPa

Wind History from AUG (wind in knots)
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Last 24hrS4SW5CalmCalmCalmCalmS3CalmCalmCalmW3CalmW3W3N4N4Calm5W53
G20
SE33S8S10
1 day agoSE6S4SE6S3S3CalmSE3CalmCalmCalm3CalmCalmW33S44S56SW7S5SW55S8
2 days agoS8SE9SE53S4CalmS4SE8SE6SE4S5--SE3SE5SE3SE5E4SE4SE4SE6S6S7S10S7

Tide / Current Tables for Nehumkeag Island, Kennebec River, Maine
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Nehumkeag Island
Click for Map
Thu -- 02:28 AM EDT     Moonrise
Thu -- 05:14 AM EDT     Sunrise
Thu -- 06:12 AM EDT     -0.21 feet Low Tide
Thu -- 12:03 PM EDT     5.40 feet High Tide
Thu -- 05:31 PM EDT     Moonset
Thu -- 06:25 PM EDT     0.08 feet Low Tide
Thu -- 08:15 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
65.44.22.71.30.3-0.2012.43.955.45.24.43.21.80.70.10.21.12.54.25.6

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Thu -- 12:57 AM EDT     -0.00 knots Slack
Thu -- 02:29 AM EDT     Moonrise
Thu -- 03:07 AM EDT     -1.01 knots Max Ebb
Thu -- 05:15 AM EDT     Sunrise
Thu -- 06:49 AM EDT     0.00 knots Slack
Thu -- 09:23 AM EDT     0.94 knots Max Flood
Thu -- 01:23 PM EDT     -0.00 knots Slack
Thu -- 03:29 PM EDT     -0.94 knots Max Ebb
Thu -- 05:30 PM EDT     Moonset
Thu -- 06:53 PM EDT     0.00 knots Slack
Thu -- 08:14 PM EDT     Sunset
Thu -- 09:48 PM EDT     1.15 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.5-0-0.7-1-0.9-0.6-0.30.10.60.90.90.80.60.2-0.4-0.9-0.9-0.6-0.30.10.611.11

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 (18,4,5,8)
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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.