Tuesday, June19, 2018 L-36.com


Marine Weather and Tides
Amherst Center, MA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:11AMSunset 8:31PM Tuesday June 19, 2018 1:50 PM EDT (17:50 UTC) Moonrise 11:53AMMoonset 12:34AM Illumination 38% Phase: Waxing Crescent; Moon at 6 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 Edt Tue Jun 19 2018
This afternoon..N winds 5 to 10 kt. Waves 1 foot or less.
Tonight..NW winds 5 to 10 kt. Waves 1 foot or less.
Wed..SW winds 5 to 10 kt. Waves 1 foot or less.
Wed night..SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.
Thu..N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less.
Thu night..SE winds around 5 kt, becoming W around 5 kt after midnight. Waves 1 foot or less.
Fri..E winds around 5 kt. Waves 1 foot or less.
Fri night..S winds around 5 kt. Waves 1 foot or less.
Sat..S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.
Sat night..S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. 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 Edt Tue Jun 19 2018
Synopsis for massachusetts and rhode island coastal waters.. High pressure builds across the waters today, shifting east on Wednesday. An area of low pressure follows for Wednesday night skirting south coastal new england with rain and possibly lower visibility. Seasonable and dry weather follows with return high pressure the remainder of the week, while a warm front lifts north across the waters over the weekend. 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 Amherst Center, MA
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location: 42.38, -72.5     debug


Area Discussion for - Boston, MA
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Fxus61 kbox 191720
afdbox
area forecast discussion
national weather service boston norton ma
120 pm edt Tue jun 19 2018

Synopsis
Seasonable, dry, comfortable conditions with lower humidity today.

Low pressure passes off the south coast Wednesday, with a chance
of showers along the coast. High pressure from canada brings dry
weather Thursday and Friday. A cold front them brings a chance of
showers over the weekend, followed by dry weather early next week.

Near term until 6 pm this evening
120 pm update...

skies have cleared across sne aside from some diurnal clouds
that will dissipate around sunset. Forecast highs in 70s and
lower 80s are on track.

Short term 6 pm this evening through 6 pm Wednesday
Tonight...

radiational cooling. High pressure in control. Light winds, mostly
clear conditions, leaning with coolest of MOS guidance. Talking
lows around the upper 40s to low 50s. No need for the ac, open
your windows.

Wednesday...

mainly a dry, seasonable day under the continued weight of high
pressure. Shifting to the e, return S flow late, however light
enough to allow e-coastal sea-breezes. Meanwhile, weak, fast-moving
disturbance emerging out of the oh river valley. Isentropic-ascent
ahead of a re-enforcing cold front out of canada, looking at
increasing clouds towards Wednesday evening initially, any skirting
rain to hold off later. Again, dry forecast.

Long term Wednesday night through Monday
Mid level flow pattern remains fairly stable through the end of
this work week, then should undergo more significant changes
this weekend into early next week. These changes will be
predicated upon the timing of some shortwave energy to phase
with a more persistent mid level trough over southeast canada.

Decent amount of spread in the ensembles, as well as among the
operational guidance. Forecast confidence is high through
Friday, trending to moderate for this weekend and early next
week.

Low pressure should pass by far enough to our south Wednesday
night into Thursday where only a chance of showers along the
south coast. High pressure arrives later Thursday and should
linger through Friday. Will keep a mention for a chance of
showers this weekend, but will not try to narrow the window of
these showers much. This will depend upon the timing of
shortwave energy crossing the county. More changes to this
timing are very possible, if not likely. Drier weather should
develop for early next week.

Otherwise, temperatures are expected to be near to slightly
above normal, depending upon how much sunshine we get. Humidity
start out fairly comfortable, then should increase into this
weekend.

Aviation 17z Tuesday through Saturday
Forecaster confidence levels...

low - less than 30 percent.

Moderate - 30 to 60 percent.

High - greater than 60 percent.

Short term through Wednesday night ... High confidence.

Vfr. N NW winds gust to 20-25 kt through late afternoon before
diminishing and becoming light variable tonight. SW winds
prevail Wednesday and Wednesday night. Showers likely across ct,
ri, and SE ma Wednesday night with areas of MVFR or perhaps ifr
ceilings.

Kbos terminal... High confidence in taf.

Kbdl terminal... High confidence in taf.

Outlook Thursday through Saturday ... Moderate confidence.

Thursday through Friday night:VFR.

Saturday:VFR. Chance shra.

Marine
Forecaster confidence levels...

low - less than 30 percent.

Moderate - 30 to 60 percent.

High - greater than 60 percent.

Short term through Wednesday ... High confidence.

N winds gust up to 20kt this afternoon. Small craft advisories
will expire at 2 pm now that seas are subsiding. Tonight and
into Wednesday, high pressure in control yielding light winds,
good boating weather. E onshore sea breeze flow Wednesday.

Outlook Wednesday night through Saturday ... Moderate confidence.

Wednesday: winds less than 25 kt.

Wednesday night: winds less than 25 kt. Chance of rain showers,
patchy fog.

Thursday: winds less than 25 kt. Patchy fog.

Thursday night through Friday night: winds less than 25 kt.

Saturday: winds less than 25 kt. Chance of rain showers.

Box watches warnings advisories
Ct... None.

Ma... None.

Ri... None.

Marine... Small craft advisory until 2 pm edt this afternoon for
anz254>256.

Synopsis... Belk sipprell
near term... Jwd
short term... Sipprell
long term... Belk
aviation... Jwd
marine... Belk sipprell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FOXR1 - 8454000 - Providence, RI 70 mi57 min NNE 17 G 22 82°F 65°F1007 hPa
NLNC3 - 8461490 - New London, CT 74 mi51 min N 6 G 9.9 82°F 63°F1007.6 hPa (+0.4)
CPTR1 - 8452944 - Conimicut Light, RI 76 mi51 min NW 21 G 23 78°F 69°F1007 hPa (-0.3)

Wind History for Providence, RI
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SW11
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N10
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Chicopee Falls / Westover Air Force Base, MA12 mi1.9 hrsNW 11 G 1710.00 miA Few Clouds80°F55°F42%1008.9 hPa
Orange Municipal Airport, MA18 mi59 minNW 14 G 2510.00 miFair76°F51°F42%1009.7 hPa
Westfield, Barnes Municipal Airport, MA19 mi58 minN 16 G 2410.00 miFair81°F52°F37%1008.5 hPa

Wind History from CEF (wind in knots)
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Last 24hr------S15
G22
S18
G22
N10
G18
S11S7S9S7S7SE6S4W8CalmCalmN5N9N11N11
G15
NE8N10NW11
G17
N14
G19
1 day agoCalmNW7SW4S9S5SW5S10S9S8S5----------------------------
2 days agoN11NW9NW7NW5NW5NW4CalmCalmNE3CalmNE3CalmCalmNE3CalmCalmCalmCalmCalmNW3CalmCalm34

Tide / Current Tables for Hartford, Connecticut River, Connecticut
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Hartford
Click for MapNote: Tidal information only applies during low river stages.

Tue -- 12:33 AM EDT     Moonset
Tue -- 03:31 AM EDT     0.18 feet Low Tide
Tue -- 05:15 AM EDT     Sunrise
Tue -- 07:58 AM EDT     2.28 feet High Tide
Tue -- 11:54 AM EDT     Moonrise
Tue -- 04:06 PM EDT     -0.06 feet Low Tide
Tue -- 08:28 PM EDT     Sunset
Tue -- 08:39 PM EDT     2.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.80.40.20.30.81.62.12.32.21.91.61.30.90.50.1-0.10.20.91.62.12.221.8

Tide / Current Tables for South Hartford, Connecticut River, Connecticut
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South Hartford
Click for MapNote: Tidal information only applies during low river stages.

Tue -- 12:33 AM EDT     Moonset
Tue -- 03:33 AM EDT     0.14 feet Low Tide
Tue -- 05:15 AM EDT     Sunrise
Tue -- 07:52 AM EDT     2.28 feet High Tide
Tue -- 11:54 AM EDT     Moonrise
Tue -- 04:08 PM EDT     -0.05 feet Low Tide
Tue -- 08:28 PM EDT     Sunset
Tue -- 08:33 PM EDT     2.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.80.40.20.20.81.62.12.32.21.91.61.30.90.50.1-00.211.72.12.221.8

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.
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Wind Forecast for Boston, MA (13,3,4,5)
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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.