Tuesday, May30, 2017 L-36.com


Marine Weather and Tides
Pittsfield, NH

Version 3.4
What's New / NOTES
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 5:05AMSunset 8:18PM Tuesday May 30, 2017 5:14 AM EDT (09:14 UTC) Moonrise 10:23AMMoonset 12:02AM Illumination 23% Phase: Waxing Crescent; Moon at 5 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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ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 313 Am Edt Tue May 30 2017
Today..SE winds 5 to 10 kt. Seas around 3 ft. Patchy drizzle this morning. Patchy fog this morning with vsby 1 to 3 nm.
Tonight..SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Seas 3 to 4 ft. A chance of showers.
Wed..S winds around 10 kt. Seas 3 to 4 ft. A chance of showers.
Wed night..SW winds around 10 kt. Seas 2 to 4 ft. A chance of showers in the evening. Areas of fog. Vsby 1 to 3 nm.
Thu..W winds around 10 kt. Seas 2 to 3 ft. Areas of fog in the morning.
Thu night..W winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Fri..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.
Fri night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.
Sat..W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Sat night..NW winds 5 to 10 kt. Seas around 2 ft.
ANZ100 313 Am Edt Tue May 30 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pres over new brunswick will retreat into the maritimes today. A cold front will slowly approach from the W tonight and cross the waters Wed night. Weak high pres builds to the south of the area Thu. Another cold front moves trough Fri night or Sat.

7 Day Forecast for Marine Location Near Pittsfield, NH
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location: 43.24, -71.19     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 300712
afdgyx
area forecast discussion
national weather service gray me
312 am edt Tue may 30 2017

Synopsis
The moist onshore flow will continue along the coast as well as
much of maine today as a ridge of high pressure shifts well
offshore. An occluded front will slide east and produce a few
showers and isolated thunderstorms later today and tonight as it
crosses the area. On Wednesday and Wednesday night... A cold front
will sweep east and cross the region accompanied by showers and
thunderstorms. A surface trough will cross the area on Thursday
and may touch off a few mountain showers. Low pressure and a
trailing frontal system will cross the region Friday and Friday
night with a few showers.

Near term through today
At 06z... A 1023 millibar was centered vicinity of new
brunswick. A 998 millibar low was over northern ontario with a
trailing frontal system through the great lakes region. Nws
doppler radar mosaic showed scattered convection along and ahead
of an occluded front over the eastern great lakes. For
today... The surface high will retreat well offshore allowing the
surface flow to gradually veer to a more southerly trajectory
during the day. That will allow fog and ceilings to lift and
there could even be a few peaks of sunshine over interior
sections by afternoon. Temperatures... While still below
normal... Should average five to ten degrees warmer then Monday
across the region. With the exception of any drizzle near the
coast early this morning... It'll be a dry start to the day as we
await the approaching frontal boundary and a series of weak
shortwave impulses that will introduce an increasing chance for
showers and isolated thunder from west to east during the
afternoon and particularly the evening hours.

Short term tonight through 6 pm Wednesday
The weakening front will cross the area tonight accompanied by
an area of showers and perhaps a rumble of thunder. We'll see
some areas of fog and drizzle along the coast... Especially along
the maine coastline. On Wednesday... We should see at least some
sunny periods with temperatures warming into the 60s and lower
70s ahead of an approaching shortwave impulse and associated
cold front. Showers and thunderstorms should develop upstream by
afternoon then sweep eastward into the region during the
afternoon and evening hours. The convection should weaken as it
encounters the strong marine influence over much of maine.

However... From the connecticut valley northward to the
international border area can't entirely rule out a few
thunderstorms will strong gusty winds during the later
afternoon early evening hours.

Long term Wednesday night through Monday
Upper level closed low which has been centered near the upper
great lakes will have meandered a little bit closer by Thursday
(but still just west) with more of an e-w dipole affect to the
height pattern. By Saturday short wave energy rounding the
system will have refocused the 500mb pattern to a more
traditionally positively tilted one... Stretching from
newfoundland back towards the northeastern conus. For the
upcoming week the low center will rotate into the northern
atlantic leaving just large scale positively-tilted troughing
over our neck of the woods.

A frontal system will be in the process of crossing the area
Thursday morning with any remaining showers likely confined to
the upslope regions at that time. With downsloping westerly
winds for most of the day, we should have mostly to partly sunny
skies over the coastal plain and temperatures should warm into
the upper 60s to mid 70s for that area. Farther north lower to
mid 60s will be common in showers and dense cloud cover.

A warm front arrives from the west during the day Friday
bringing additional moisture and widespread showers back to the
area. There may be a brief window for a few thunderstorms over
southern nh and SW me Friday as this occurs. On Saturday an
occlusion crosses the CWA from west to east by Saturday morning.

At this point the long term models begin to show placement and
timing differences with the GFS pushing the baroclinic zone well
south of northern new england and the euro keeping it much
closer. It does look like another coastal cyclone zips by to our
south early next week... Possibly impacting the region.

As far as temperatures, we will be below normal for highs and
above normal for lows.

Aviation 06z Tuesday through Saturday
Short term through Wednesday ... Ifr with areas of MVFR
improving to MVFR throughout during the day. Conditions will
lower to ifr with areas of MVFR away from the coast tonight. On
Wednesday... Improving toVFR throughout with areas of MVFR
during the afternoon in scattered shra and tsra.

Long term... Improving conditions Thursday with MVFR in-shra for
hie. Fog may bring periods of MVFR Thursday morning. Widespread
-shra Friday and Saturday with prevailing MVFR by Friday evening
and pockets of lower conditions.

Marine
Short term through Wednesday ... Winds and seas likely to
remain below SCA levels tonight through the period.

Long term... Winds and seas should stay below SCA criteria,
however periods of rain and fog will make for poor marine
conditions.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.

Synopsis... Schwibs
near term... Schwibs
short term... Schwibs
long term... Hanes
aviation... Schwibs
marine... Schwibs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 23 mi90 min Calm 47°F 1022 hPa47°F
WELM1 - 8419317 - Wells, ME 34 mi45 min NNW 1.9 G 1.9 47°F 1021.8 hPa
WEXM1 - Wells Reserve, ME 35 mi75 min Calm 47°F 47°F
IOSN3 - Isle of Shoals, NH 35 mi75 min NNE 5.1 G 6 47°F 1021 hPa (-0.0)47°F
44030 - Buoy B0102 - Western Maine Shelf 41 mi71 min ENE 5.8 G 5.8 46°F 47°F3 ft1020.6 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester - Skyhaven Airport, NH14 mi24 minN 04.00 miFog/Mist46°F44°F93%1021.2 hPa
Concord Municipal Airport, NH17 mi24 minN 010.00 miOvercast47°F45°F93%1021.8 hPa
Pease Air Force Base / Portsmouth, NH22 mi77 minN 02.00 miFog/Mist46°F45°F98%1021.2 hPa
Manchester Airport, NH24 mi22 minN 010.00 miOvercast48°F45°F89%1022.7 hPa

Wind History from DAW (wind in knots)
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Last 24hrSE6E4SE6E6E8E6E6E8E7E7E9E5NE44NE4NE3CalmNE33CalmN3NW3CalmCalm
1 day agoNW3NW3CalmE4E4SE5E7SE96S7SE7S7S7E5SE4SE3E3SE3E4E3E4NE6E4SE6
2 days agoCalm3NW7N8N744N43S8SE8SE7SE6SE6SE5CalmCalmCalmCalmCalmCalmCalmNW3Calm

Tide / Current Tables for Dover, Cocheco River, Piscataqua River, New Hampshire
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Dover
Click for Map
Tue -- 12:00 AM EDT     Moonset
Tue -- 04:53 AM EDT     8.53 feet High Tide
Tue -- 05:07 AM EDT     Sunrise
Tue -- 10:21 AM EDT     Moonrise
Tue -- 11:14 AM EDT     -0.81 feet Low Tide
Tue -- 05:41 PM EDT     7.63 feet High Tide
Tue -- 08:15 PM EDT     Sunset
Tue -- 11:33 PM EDT     0.26 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
12.84.96.98.28.57.96.34.11.7-0-0.8-0.50.72.64.76.47.47.66.85.23.21.40.4

Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
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Salmon Falls River entrance
Click for Map
Tue -- 12:00 AM EDT     Moonset
Tue -- 04:43 AM EDT     8.32 feet High Tide
Tue -- 05:07 AM EDT     Sunrise
Tue -- 10:21 AM EDT     Moonrise
Tue -- 11:27 AM EDT     -0.81 feet Low Tide
Tue -- 05:31 PM EDT     7.45 feet High Tide
Tue -- 08:15 PM EDT     Sunset
Tue -- 11:46 PM EDT     0.22 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.82.54.76.888.37.66.141.80.1-0.7-0.60.52.44.66.47.37.46.653.21.50.5

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 (5,6,7,8)
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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.