Friday, March24, 2017 L-36.com


Marine Weather and Tides
South Hooksett, NH

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:38AMSunset 7:05PM Friday March 24, 2017 9:54 PM EDT (01:54 UTC) Moonrise 4:46AMMoonset 3:20PM Illumination 7% 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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ANZ230 Boston Harbor- 717 Pm Edt Fri Mar 24 2017
.small craft advisory in effect until 8 pm edt this evening...
Tonight..SW winds 10 to 15 kt with gusts up to 25 kt...becoming W 5 to 10 kt after midnight. Waves around 2 ft. A slight chance of rain.
Sat..N winds around 5 kt. Waves 1 foot or less. A chance of rain.
Sat night..NE winds around 5 kt. Waves 1 foot or less. A chance of rain.
Sun..E winds 5 to 10 kt. Waves 1 foot or less. A chance of rain.
Sun night..SE winds around 10 kt. Waves 1 foot or less. A chance of rain.
Mon..E winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Rain. Vsby 1 to 3 nm.
Mon night..E winds around 5 kt...becoming N after midnight. Waves 1 foot or less. Rain likely.
Tue..NE winds 5 to 10 kt. Waves 1 foot or less. A chance of rain.
Tue night..NE winds 5 to 10 kt. Waves 1 foot or less. A chance of rain.
Wed..NW winds 5 to 10 kt. Waves 1 foot or less.
Wed night..NW 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 717 Pm Edt Fri Mar 24 2017
Synopsis for massachusetts and rhode island coastal waters.. High pres will move farther offshore tonight behind which gusty sw winds will continue. A cold front will pass across the waters from the N on Sat...then stall just S of the waters on Sun and Mon. Low pres will cross the waters Tue and in its wake high pres will build over new england Wed and 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 242342
afdgyx
area forecast discussion... Updated
national weather service gray me
742 pm edt Fri mar 24 2017

Synopsis
A cold front will drop south through the region tonight and will
stall southwest of the area on Saturday as high pressure builds
in from the north. High pressure will crest over the area
Saturday night and will shift east on Sunday. Low pressure will
slowly approach from the midwest Sunday night through Tuesday
and will pass out to sea south of the region Tuesday night and
Wednesday. High pressure will build in from the west Wednesday
night through Thursday.

Near term /until 6 am Saturday morning/
Update... Changes to the pop grids based on latest radar trends.

Much of SRN nh has seen steady precip lift n... But I expect some
showery precip to drift back S later tonight as the front drops
back in that direction. It also appears as if the warmth aloft
is stalling on a NW to SE line just NE of hie to izg to pwm
line. It will begin to work back S across nh... While over WRN me
it should edge nwd some more into the capital region. Some light
mixed precip is possible for that area... But precip intensity is
also dropping with time.

Previous discussion... Broad area of over-running draped across
the region will persist through this evening producing snow in
northern zones and gradually going over to rain in southern
zones. Getting quite a bit more QPF out of this system than
models had depicted with snow accumulations approaching
advisory levels in portions of central and northern new
hampshire. Have issued winter weather advisories for central
and northern new hampshire through this evening for additional
accumulations of 1 to 3 inches.

Farther south and in southwestern maine snow will gradually mix
with and change over to sleet and rain as boundary layer warms.

Snow accumulations in these areas will generally be in the 1 to
3 inches range before changing over. Cold front dropping south
will change liquid precip back to snow and sleet later this
evening and overnight. Lows overnight will range through the 20s
north and lower to mid 30s south.

Short term /6 am Saturday morning through Saturday night/
High pressure will gradually build south from canada behind the
front on Saturday. Morning clouds and snow showers in southern
zones will be gradually suppressed to the south during the day.

Highs will top out in the lower to mid 40s across the region.

High pressure will crest over the region Saturday night
producing mostly clear skies and light winds. Should see good
radiational cooling with lows ranging through the single numbers
north and teens to mid 20s south.

Long term /Sunday through Friday/
Very complex pattern and active pattern to continue through
next week with bouts of mixed precipitation.

High pressure will remain locked over new england on Sunday,
suppressing precipitation to our south for a short period of
drying out. However, moisture returns northward with a returning
warm front Sunday night into Monday. This will be during a
period of cold and relatively dry air locked in near the
surface. The threat of sleet and/or freezing rain will continue
during this period, especially during the Sunday night into
early Monday timeframe as a weak wave crosses through the gulf
of maine. Have highlighted this possibility in the briefing
slide.

Models are having a challenging time picking up on individual
short waves crossing through the gulf of maine thereafter. One
short wave exits through the gulf on Tuesday, with the gfs
solution holding back more energy for Tuesday night.

On Wednesday, somewhat drier air finally filters into the region
behind exiting low pressure into the canadian maritimes. Cooler
air filters into the region on Thursday due to high pressure
building southeast. However, this batch of cold air will not be
as cold as previous shots of cold air advection as yet another
system approaches from the south. By Friday significant
precipitation may very well be entering the forecast area.

Aviation /00z Saturday through Wednesday/
Short term... MVFR/ifr ceilings and vsby tonight... .Improving to
vfr on Saturday.VFR Saturday night and Sunday.

Long term... Areas of ifr and patchy lifr developing Sunday. This
will continue right through Tuesday night. Improving conditions
with high pressure on Wednesday.

Marine
Short term... Continuing sca's for the bays and outer waters
until midnight.

Long term... SCA conditions possible Sunday night into Monday as
low pressure approaches the region. Gusty northwest winds will
occur on Thursday behind an intensifying low pressure system.

Gyx watches/warnings/advisories
Me... None.

Nh... Winter weather advisory until 9 pm edt this evening for
nhz001>006-009.

Marine... Small craft advisory until midnight edt tonight for anz150>154.

Near term... Legro


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 29 mi70 min S 1 34°F 1019 hPa34°F
IOSN3 - Isle of Shoals, NH 40 mi55 min SSW 6 G 7 40°F 1018.4 hPa (-0.0)32°F
WELM1 - 8419317 - Wells, ME 48 mi55 min Calm G 1.9 34°F 37°F1018.2 hPa (-0.9)
BHBM3 - 8443970 - Boston, MA 49 mi55 min 45°F 37°F1017.8 hPa (-1.0)

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Manchester Airport, NH6 mi62 minN 07.00 miOvercast35°F32°F89%1019.3 hPa
Concord Municipal Airport, NH15 mi64 minN 02.00 miFog/Mist33°F30°F92%1018.5 hPa
Nashua - Boire Field Airport, NH17 mi59 minN 05.00 miFog/Mist35°F35°F100%1019.3 hPa
Lawrence, Lawrence Municipal Airport, MA24 mi61 minNE 310.00 miOvercast36°F34°F93%1019 hPa

Wind History from MHT (wind in knots)
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Last 24hrCalmCalmSE3CalmSE3CalmCalmSE5CalmCalmS5S6S4SE7S9S14
G22
S9S7SE6SE3SE4CalmCalmCalm
1 day agoNW21
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W5CalmCalm
2 days agoW5W6CalmSE4S3SW43W8W12
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Tide / Current Tables for Riverside, Merrimack River, Massachusetts
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Riverside
Click for Map
Fri -- 04:44 AM EDT     Moonrise
Fri -- 06:08 AM EDT     0.49 feet Low Tide
Fri -- 06:40 AM EDT     Sunrise
Fri -- 10:49 AM EDT     5.59 feet High Tide
Fri -- 03:18 PM EDT     Moonset
Fri -- 06:45 PM EDT     0.21 feet Low Tide
Fri -- 07:01 PM EDT     Sunset
Fri -- 11:26 PM EDT     5.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.74.13.22.21.30.70.50.92.23.95.25.65.34.73.82.71.60.80.30.212.74.35.3

Tide / Current Tables for Merrimacport, Merrimack River, Massachusetts
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Merrimacport
Click for Map
Fri -- 04:44 AM EDT     Moonrise
Fri -- 04:46 AM EDT     0.70 feet Low Tide
Fri -- 06:39 AM EDT     Sunrise
Fri -- 10:19 AM EDT     6.85 feet High Tide
Fri -- 03:18 PM EDT     Moonset
Fri -- 05:23 PM EDT     0.30 feet Low Tide
Fri -- 07:01 PM EDT     Sunset
Fri -- 10:56 PM EDT     6.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.34.12.71.60.90.71.42.84.66.16.86.76.14.93.41.90.90.30.51.53.24.96.26.6

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 (21,6,7,8)
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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.