Thursday, November15, 2018 L-36.com


Marine Weather and Tides
South Hooksett, NH

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:37AMSunset 4:23PM Thursday November 15, 2018 6:51 PM EST (23:51 UTC) Moonrise 1:58PMMoonset 12:00AM Illumination 54% Phase: First Quarter Moon; Moon at 8 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- 331 Pm Est Thu Nov 15 2018
.gale warning in effect from 10 pm est this evening through Friday afternoon...
Tonight..E winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 45 kt after midnight. Waves around 3 ft. At the outer harbor entrance, waves around 4 ft, building to 11 ft after midnight. Rain. Vsby 1 to 3 nm.
Fri..NE winds 20 to 25 kt with gusts up to 40 kt, becoming nw with gusts up to 30 kt in the afternoon. Waves 2 to 3 ft. At the outer harbor entrance, waves around 12 ft, subsiding to 10 ft in the afternoon. Rain in the morning with vsby 1 to 3 nm.
Fri night..W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. At the outer harbor entrance, waves around 8 ft, subsiding to 4 ft after midnight.
Sat..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Sat night..W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft.
Sun..NW winds 5 to 10 kt. Waves 1 foot or less.
Sun night..E winds around 5 kt, becoming S after midnight. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 nm after midnight.
Mon..W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers in the morning.
Mon night..NW winds around 10 kt. Waves around 2 ft.
Tue..NW winds around 10 kt. Waves 1 foot or less.
Tue night..NW winds around 10 kt. Gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. 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 331 Pm Est Thu Nov 15 2018
Synopsis for massachusetts and rhode island coastal waters.. A coastal storm moves up along the eastern seaboard this evening passing across southern new england Friday morning. The system will bring snow and strong winds to the waters late today through Friday. High pressure returns for the weekend. A cold front passes across the waters on Sunday. 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 152017
afdgyx
area forecast discussion
national weather service gray me
317 pm est Thu nov 15 2018

Synopsis
A coastal storm will arrive tonight into Friday bringing
mainly snowfall to maine and new hampshire. An upper level
disturbance will cross the region Saturday. Canadian high
pressure builds into the region Sunday before a fast moving area
of low pressure develops over the region Sunday night. An
arctic front will cross the region late Monday, followed by
high pressure building into the region through midweek.

Near term through tonight
A very deep arctic air mass in place with a very dry column of
air in place, this will play an important role in the upcoming forecast.

Initial shot of stg WAA overunning aloft tonight will bring
with it over a half inch to .75 inches of QPF in the form of
snow due to the stg baroclinic zone in place and strong
evaporational cooling of the columns with also a deep arctic air
mass in place. Expecting a large swath of 5-8 inches over most
areas so winter storm warnings will continue. A break in the
action occurs late tonight and toward morning once the initial
shot of WAA ends with a brief dry slot.

Lowered overnight temps due to the strong cold air damming
overnight. Late tonight some warm air aloft and at the sfc may
make it into extreme southeast nh lowering amounts over the
seacoast area thus only winter wx advisories for that area.

Euro still the preferred model of choice with higher QPF and
colder. GFS has considerably lower qpf, meanwhile NAM the warmer
model trying to simply bring warm air inland through the arctic
dome which is very unlikely.

Of interest will be where some heavier bands of snowfall occur
that may exceed the snowfall forecast amounts with initial shot
of the WAA pattern over southern and coastal which should last
4-6 hours tonight before becoming light late. Coastal front will
come into play after midnight aiding in additional lift in a
20-30 mile area west of its location.

Northern areas will be on northern fringe of system and may
have a tough time reaching warning criteria but higher ratios
(fluff factor) may play a role.

Short term Friday through Friday night
Will be using the euro track of the low and mid level low for
fri. This will bring another shot of wraparound snow in the
morning of maybe a few additional inches. The system races
northeast and by afternoon the pcpn should come to an end with
clearing in the mid afternoon. Northwest downsloping winds will
increase and become gusty in the wake of the departing storm in
the afternoon.

Heavily weighted temps off the euro model but with some assist
from the other blended models
fri night another shot of cold air on a westerly flow. Some
minor S wves may trickle through the west flow aloft causing
some scattered snow showers.

Long term Saturday through Thursday
A gradual warming trend is expected for the start of the upcoming
weekend, however temperatures will still average near or below
normal. A break between weather systems will occur for much of
the day Saturday prior to the passage of yet another arctic
frontal approach late in the day. This renewed shot of cold air
will trigger scattered snow showers. H8 temperatures between
-10c and -14c will allow for temperatures to drop into the teens to
20s by Sunday morning.

High pressure will enter the region within a very fast flow as a
broad scale upper level low approaches from the west. This upper
level feature will trigger the development of a wave of low
pressure Sunday night into early Monday morning. Models have
been trending towards higher pops and the potential for light
accumulations of snowfall before it the system exits to our east
Monday afternoon. In its wake, all models drive a strong arctic
front through the region Monday evening. Strong cold air
advection in the fast moving cyclonic flow aloft will allow for
snow showers to break out across the high terrain. Expect
scattered snow showers as well, which may reach all the way to
the coastline. Very cold conditions will follow for Tuesday and
Tuesday night with overnight lows once again near zero over
northern areas.

More quiet conditions expected for the rest of the midweek
period. A large ridge of high pressure will move off the coast
late in the week. This will set up the potential for very light
overunning precipitation.

Aviation 19z Thursday through Tuesday
Short term...VFR conds the rest of the aftn will be lowering to
ifr lifr in developing snow across southern areas 00-03z
then rapidly spreading north over the rest of the area by 07z.

Conditions will slowly improve toVFR late Fri morning.VFR
conditions in the afternoon into Fri night except in the mountains
where MVFR conditions may persist. Gusty northwest winds will
develop Fri afternoon into the evening as the storms exits into
the maritimes.

Long term... Conditions lowering to ifr in snow Sunday night.

Scattered snow squalls with abruptly changing winds will likely
cross the region late Monday and Monday evening.

Marine
Short term... Gale warning begin late tonight and continue through
Friday.

Long term... Westerly winds may reach scas on Saturday. A brief
period of strong winds, possibly briefly meeting gale force over
the outer water may occur with the passage of scattered snow
squalls late Monday and Monday evening.

Gyx watches warnings advisories
Me... Winter storm warning from 7 pm this evening to 1 pm est Friday
for mez018-023.

Winter storm warning from 1 am to 4 pm est Friday for
mez007>009-012>014-019>022-024>028.

Nh... Winter storm warning from 7 pm this evening to 1 pm est Friday
for nhz005>013-015.

Winter storm warning from 1 am to 4 pm est Friday for
nhz001>004.

Winter weather advisory from 7 pm this evening to 7 am est
Friday for nhz014.

Marine... Gale warning from 1 am to 4 pm est Friday for anz150>154.

Near term... Marine
short term... Marine
long term... Cannon


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 29 mi67 min Calm 29°F 19°F
IOSN3 - Isle of Shoals, NH 40 mi52 min E 9.9 G 14 33°F 1030 hPa (-2.5)24°F
WELM1 - 8419317 - Wells, ME 48 mi34 min N 4.1 G 5.1 29°F 47°F1030.7 hPa
BHBM3 - 8443970 - Boston, MA 49 mi34 min 33°F 1029.4 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Manchester Airport, NH6 mi59 minE 310.00 miOvercast29°F3°F34%1031.5 hPa
Concord Municipal Airport, NH15 mi61 minN 010.00 miFair27°F3°F37%1030.2 hPa
Nashua - Boire Field Airport, NH17 mi56 minE 310.00 miMostly Cloudy29°F7°F39%1031.4 hPa
Lawrence Municipal Airport, MA24 mi58 minNNE 510.00 miFair31°F17°F56%1030.7 hPa

Wind History from MHT (wind in knots)
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Last 24hrN11NW10NW7NW10N4N7NW7W5NW4W4N4CalmNW6NW6NW43CalmCalmCalmSE4SE3E4E4E3
1 day agoW9W9W9W12
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2 days agoS3NW3CalmCalmCalmCalmCalmN3N3NW4N6NW7NW4NW4NW5N7N5N10N11NW11
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NW8NW10NW11

Tide / Current Tables for Squamscott River RR. Bridge, New Hampshire
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Squamscott River RR. Bridge
Click for Map
Thu -- 12:49 AM EST     0.82 feet Low Tide
Thu -- 06:36 AM EST     Sunrise
Thu -- 06:48 AM EST     6.02 feet High Tide
Thu -- 09:54 AM EST     First Quarter
Thu -- 12:55 PM EST     Moonrise
Thu -- 01:05 PM EST     1.53 feet Low Tide
Thu -- 04:19 PM EST     Sunset
Thu -- 06:54 PM EST     6.37 feet High Tide
Thu -- 11:20 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.81.32.33.755.865.74.83.72.61.81.51.82.63.95.26.16.46.15.34.12.8

Tide / Current Tables for Newburyport, Merrimack River, Massachusetts (2)
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Newburyport
Click for Map
Thu -- 05:00 AM EST     6.91 feet High Tide
Thu -- 06:35 AM EST     Sunrise
Thu -- 09:54 AM EST     First Quarter
Thu -- 11:35 AM EST     1.75 feet Low Tide
Thu -- 12:54 PM EST     Moonrise
Thu -- 04:20 PM EST     Sunset
Thu -- 05:06 PM EST     7.31 feet High Tide
Thu -- 11:20 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.12.13.75.46.56.96.65.94.73.42.41.81.82.53.95.66.87.37.16.45.13.72.41.5

Weather Map and Satellite Images
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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.
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Wind Forecast for Gray/Portland, ME (18,4,5,8)
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Ground Weather Radar Station Boston, MA
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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.