Monday, August19, 2019 L-36.com


Marine Weather and Tides
Canaan, NH

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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 5:53AMSunset 7:45PM Monday August 19, 2019 11:07 AM EDT (15:07 UTC) Moonrise 9:59PMMoonset 9:42AM Illumination 84% Phase: Waning Gibbous; Moon at 19 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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7 Day Forecast for Marine Location Near Canaan, NH
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location: 43.68, -72.08     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 191327
afdgyx
area forecast discussion
national weather service gray me
927 am edt Mon aug 19 2019

Synopsis
A cold front will cross the region today and will be followed by
high pressure building in from the west overnight. High pressure
will crest over the region on Tuesday before shifting offshore
to the southeast. A weak disturbance will push east through
southern new england late Tuesday night and early Wednesday.

Weak low pressure will slowly move northeast through southern
quebec Wednesday night and will drive a trailing cold front
through the region after midnight. A secondary trough of low
pressure will drop southeast through the region Thursday night
and Friday. High pressure will gradually build in from the west
over the weekend.

Near term until 6 pm this evening
925 am update... Some relatively minor adjustments to the
forecast this morning based on latest trends in radar and
satellite data as well as info from latest cams. Skies have
cleared out across nh and this will allow the atmosphere to
destabilize. An area of weakening showers will cross northern nh
over the next couple of hours, but measurable is unlikely at
most locations. Otherwise, low clouds and fog will continue to
lift across central and midcoast zones except for perhaps the
immediate midcoast where they should hang on longer. For this
afternoon, latest mesoscale models continue to show a broken
line of storms moving across the forecast area between 2 and 7
pm. Not all areas will get one, but strong gusty winds will be
possible in the strongest cells.

Previously...

700 am update...

warm front currently pushing through eastern zones with the
remainder of last nights showers. Farther south... Ocean stratus
beginning to thin out across southeast new hampshire and this
trend will continue to the north and east into southern interior
maine through mid morning as boundary layer winds turn more
southwesterly and mixing picks up. Have adjusted pops and wx
based on latest radar trends and tweaked area temps tds. No
other changes planned attm.

Prev disc... Warm front currently lifting northeast through
central maine early this morning and expect associated showers
to be exiting eastern zones by daybreak or shortly after.

Another line of convection ahead of an approaching cold front
currently moving through far western new york and the hrrr
pretty much kills this activity off as it moves into western new
england later this morning. Expect convection to redevelop
early this afternoon as the front pushes into northwest new
england.

Spc has all of the forecast area in a marginal risk for today.

Best shear will be found in northern zones this afternoon as
daytime heating generates some moderate to strong cape. Would
expect potential wind damage with stronger cells in northern
zones as shear combines with pwat's of 1.5 inches or better,
resulting in good precip loading in more organized lines or line
segments. Farther south expect more scattered storms with the
potential for heavy rain and damaging winds. Have highlighted
the potential damaging winds and heavy rain in the zones.

Mostly sunny skies this morning will quickly boost temperatures
through the 80s to near 90 in far southern new hampshire.

Getting some marginal apparent temps of 95 to 97 in the
manchester nashua section of southern new hampshire but impact
should be minimal and brief so holding off on heat advisories at
this time.

Short term 6 pm this evening through 6 pm Tuesday
Cold front will quickly push east of the region this evening
with any convection shifting east of the area through midnight.

Expect clearing skies and light winds overnight with patchy
valley fog in the usual spots. Lows overnight will range from
the mid 50s north to the mid 60s south.

Cooler and much drier air will move into the region on Tuesday
as high pressure builds in from the west. Looking for mostly
sunny skies and highs from the mid 70s north to the mid 80s
south.

Long term Tuesday night through Sunday
A bit unsettled early in the long term but cooler and drier air
will eventually arrive for the weekend.

For Tuesday night a frontal system to the south of the forecast
area will move back north with increasing chance of showers and
thunderstorms through Wednesday night. Dewpoint temperatures
will climb back to near 70 Wednesday afternoon. A cold front
will move through the forecast area before Thursday. The timing
on this front is a bit in question. The later in the day with
frontal passage the greater the chance for afternoon
thunderstorms. The ECMWF has the front moving through a bit
later than the gfs. For now I have the higher pops in the
morning with a low chance pop in the afternoon. Still a warm day
Thursday but dewpoint temperatures will be a bit more
comfortable. The cooler and drier air sets in for Friday with
dewpoints in the upper 40s to mid 50s. Showers possible in the
mountains Friday afternoon. Saturday through Monday should be
quite pleasant with high temperatures in the 70s and low
humidity.

Aviation 14z Monday through Friday
Short term... Ifr lifr ceilings and vsby in coastal and southern
interior sections of maine and new hampshire this
morning... Improving toVFR this afternoon.VFR tonight and
Tuesday.

Long term... Expect occasional MVFR ifr in showers and
thunderstorms Wednesday and Thursday. Friday possible MVFR in
afternoon showers at hie butVFR expected elsewhere.

Marine
Short term... No flags.

Long term... SCA possible Wednesday and Thursday.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.

Near term update... Ekster


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 79 mi82 min W 1.9 78°F 1014 hPa73°F
WELM1 - 8419317 - Wells, ME 84 mi55 min SSE 6 G 7 75°F 68°F1013.9 hPa
WEXM1 - Wells Reserve, ME 85 mi82 min SSW 2.9 77°F 72°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lebanon Municipal Airport, NH12 mi14 minSW 410.00 miFair79°F66°F65%1012.7 hPa
Plymouth Municipal Airport, NH19 mi32 minN 010.00 miFair76°F66°F71%1013.5 hPa

Link to 5 minute data for KLEB

Wind History from LEB (wind in knots)
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Last 24hr3CalmCalmNW43CalmW4SE3CalmCalmNE4CalmS5SE3Calm--Calm----CalmCalmS6S5S6
1 day agoCalmSW6S5S7S6SE3SE6S43CalmCalmCalmCalmCalmSE4S4Calm--S3S3CalmCalm----
2 days agoW336SW73--S3--SE3S4--S4E4--Calm--CalmCalm--CalmNW4E4--N3

Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
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Salmon Falls River entrance
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Mon -- 03:37 AM EDT     7.08 feet High Tide
Mon -- 05:53 AM EDT     Sunrise
Mon -- 09:36 AM EDT     Moonset
Mon -- 10:06 AM EDT     0.40 feet Low Tide
Mon -- 04:02 PM EDT     6.76 feet High Tide
Mon -- 07:40 PM EDT     Sunset
Mon -- 09:53 PM EDT     Moonrise
Mon -- 10:20 PM EDT     0.70 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.74.466.976.45.23.620.80.40.71.83.45.16.36.86.55.54.12.61.40.70.9

Tide / Current Tables for Squamscott River RR. Bridge, New Hampshire
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Squamscott River RR. Bridge
Click for Map
Mon -- 04:21 AM EDT     7.08 feet High Tide
Mon -- 05:53 AM EDT     Sunrise
Mon -- 09:37 AM EDT     Moonset
Mon -- 10:55 AM EDT     0.40 feet Low Tide
Mon -- 04:46 PM EDT     6.76 feet High Tide
Mon -- 07:40 PM EDT     Sunset
Mon -- 09:54 PM EDT     Moonrise
Mon -- 11:09 PM EDT     0.70 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.634.86.376.96.24.93.21.70.70.40.92.13.85.56.56.76.35.23.82.31.20.7

Weather Map and Satellite Images
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wmap_A
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Gray/Portland, ME (11,2,3,4)
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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.