Sunday, November19, 2017 L-36.com


Marine Weather and Tides
South Hooksett, NH

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 6:43AMSunset 4:19PM Sunday November 19, 2017 4:43 PM EST (21:43 UTC) Moonrise 8:29AMMoonset 6:29PM Illumination 1% Phase: Waxing Crescent; Moon at 1 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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ANZ230 Boston Harbor- 116 Pm Est Sun Nov 19 2017
.gale warning in effect until 10 pm est this evening...
This afternoon..W winds 20 to 25 kt with gusts up to 40 kt. Waves around 2 ft.
Tonight..W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft.
Mon..W winds 15 to 20 kt with gusts up to 35 kt. Waves around 2 ft.
Mon night..SW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Waves around 2 ft.
Tue..SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Tue night..SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 foot or less. A chance of showers.
Wed..W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.
Wed night..N winds 5 to 10 kt. Waves 1 foot or less.
Thu..NW winds 5 to 10 kt. Waves 1 foot or less.
Thu night..W winds 5 to 10 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
ANZ200 116 Pm Est Sun Nov 19 2017
Synopsis for massachusetts and rhode island coastal waters.. Strong low pres will continue to intensify as it tracks across northern new england this afternoon. Its attending cold front sweeps across the waters late this morning into early afternoon. S to sw gales ahead of the front and W to nw gales behind the front this afternoon into Monday. High pres then builds across the waters Tue followed by another cold front moving across new england Wed. High pressure then builds over the waters Thu. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the current hazards link above the map on the left.

7 Day Forecast for Marine Location Near South Hooksett, NH
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location: 43.01, -71.38     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 191953
afdgyx
area forecast discussion
national weather service gray me
253 pm est Sun nov 19 2017

Synopsis
A strong cold front has moved through new hampshire and western
maine with a cold west wind behind it. Expect the temperature to
fall into the 20s tonight and not get out of the 30s on Monday
as the cold air mass will still be overhead. Expect a brief warm
up on Tuesday before another cold front moves through the area
on Wednesday bringing a return to colder conditions which should
last into the weekend.

Near term tonight
Cold front has made its way through the entire forecast area
with winds making an abrupt shift to the west and temperatures
dropping. It's rather rare to see such a sharp cold front in new
england where interactions with terrain and complex multi-
frontal systems usually mean fronts go through in stages. But
this one has been easy to follow in surface observations which
have shown temperatures falling rapidly behind the front even
during the middle of the day. The strong westerly winds continue
into the evening and overnight hours as cold advection
continues. Any lingering showers will be tied to the terrain and
be falling in the form of snow. Low temperatures tonight will
generally be in the 20s as the strong push of cold air will keep
the low levels well mixed.

Short term Monday through Monday night
It will be windy again tomorrow, but not as windy as today.

Temperatures will not get out of the 30s and may stay in the 20s
to the north of the mountains where the core of the cold air is
banked up against the terrain. Ridge of high pressure noses into
the area overnight Monday night, allowing winds to finally die
off. This could lead to some good radiational cooling and cold
temperatures in spots that are able to go completely calm,
mainly in the east and north.

Long term Tuesday through Sunday
Strong SW flow develops Tuesday with a significant shortwave moving
through on Wednesday. Moisture returns ahead of the system on
Tuesday as a warm front lifts ne. An associated cold front will
shift offshore Tuesday night Wednesday morning. Temperatures ahead
of the front Tuesday will be similar in pattern to today, with 50s
south and 40s north. Temperatures will continue to tumble the next
few days thereafter as drier and cooler air funnels in from the
north.

Large scale troughing will remain across southeastern canada and the
northeastern states through the end of the week. At the surface
sprawling high pressure will build across the southern states and ne
into the midwest and new england.

Aviation 19z Sunday through Friday
Short term... Gusty west winds will diminish a bit overnight,
but not completely. Will see an increase in gusts again on
Monday before the winds finally die off Monday night.VFR
conditions are expected except for MVFR ceilings north of the
white mountains.

Long term...VFR Tuesday. Cold front arrives on Wednesday and
could see MVFR or ifr conditions in light rain ahead of the
front. Expect improvement behind the front for Thursday and
Friday.

Marine
Short term... Cold west winds will gust up to 45 kt through this
evening before falling below gale force after midnight. Will
likely hang on to advisory level winds through Monday night.

With the offshore fetch, wave heights will be highest further
from shore.

Long term... Southwesterly flow expected on Tuesday before a cold
front moves across the waters on Wednesday. Northerly winds
behind this cold front could briefly reach advisory levels
Wednesday night.

Gyx watches warnings advisories
Me... Wind advisory until midnight est tonight for mez012-018>028.

Nh... Wind advisory until midnight est tonight for nhz004-006>015.

Marine... Gale warning until midnight est tonight for anz150>154.

Near term... Kimble
short term... Kimble
long term... Hanes


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 29 mi59 min W 14 44°F 993 hPa32°F
IOSN3 - Isle of Shoals, NH 40 mi44 min W 34 G 40 44°F 991.7 hPa (+6.5)28°F
WELM1 - 8419317 - Wells, ME 48 mi44 min WNW 11 G 18 43°F 49°F991.9 hPa
BHBM3 - 8443970 - Boston, MA 49 mi44 min 45°F 994 hPa

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
Manchester Airport, NH6 mi51 minWNW 15 G 2610.00 miPartly Cloudy43°F27°F53%995.8 hPa
Concord Municipal Airport, NH15 mi53 minW 15 G 2810.00 miA Few Clouds40°F26°F58%994.6 hPa
Nashua - Boire Field Airport, NH17 mi48 minWNW 10 G 3510.00 miMostly Cloudy42°F27°F55%996.4 hPa
Lawrence Municipal Airport, MA24 mi50 minW 18 G 2710.00 miFair and Breezy46°F28°F51%994.8 hPa

Wind History from MHT (wind in knots)
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Last 24hrSE5CalmCalmNE4CalmCalmCalmS3CalmCalmCalmCalmCalmCalmSW3SW3S9S10W14
G30
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1 day agoW4NW45CalmN5N6N7NW6NW4N7W4CalmCalmSE3CalmCalmCalmCalmSE4S8S7S6SE8SE4
2 days agoN6NW10N5SW3Calm3CalmCalmW6NW12W10
G18
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G32
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6

Tide / Current Tables for Riverside, Merrimack River, Massachusetts
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Riverside
Click for Map
Sun -- 01:13 AM EST     5.73 feet High Tide
Sun -- 06:41 AM EST     Sunrise
Sun -- 07:27 AM EST     Moonrise
Sun -- 08:42 AM EST     0.24 feet Low Tide
Sun -- 01:17 PM EST     6.20 feet High Tide
Sun -- 04:17 PM EST     Sunset
Sun -- 05:29 PM EST     Moonset
Sun -- 09:13 PM EST     -0.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.95.75.654.12.91.80.90.40.31.33.35.26.16.15.64.63.42.110.3-00.31.8

Tide / Current Tables for Merrimacport, Merrimack River, Massachusetts
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Merrimacport
Click for Map
Sun -- 12:43 AM EST     7.03 feet High Tide
Sun -- 06:41 AM EST     Sunrise
Sun -- 07:20 AM EST     0.34 feet Low Tide
Sun -- 07:27 AM EST     Moonrise
Sun -- 12:47 PM EST     7.61 feet High Tide
Sun -- 04:17 PM EST     Sunset
Sun -- 05:28 PM EST     Moonset
Sun -- 07:51 PM EST     -0.07 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.876.55.33.72.110.40.61.93.95.97.37.67.164.32.61.10.2-0.10.72.34.3

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 (16,3,4,5)
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Ground Weather Radar Station Boston, MA
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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.