Sunday, September24, 2017

Marine Weather and Tides
Rochester, VT

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 6:41AMSunset 6:45PM Sunday September 24, 2017 8:24 AM EDT (12:24 UTC) Moonrise 11:01AMMoonset 9:26PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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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7 Day Forecast for Marine Location Near Rochester, VT
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location: 43.93, -72.91     debug

Area Discussion for - Burlington, VT
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Fxus61 kbtv 241141
area forecast discussion
national weather service burlington vt
741 am edt Sun sep 24 2017

Above normal temperatures... As much as 20 degrees above
normal... Will be the rule across the north country today through
Monday. High pressure has become established over the area and
thus full sunshine and no precipitation is expected as well.

High pressure will begin to move east of the area Tuesday into
Wednesday... But above normal temperatures will continue. There
will also be a trend toward increased precipitation chances on
Wednesday and especially on Thursday when an upper level trough
of low pressure moves into the region.

Near term through Monday
As of 741 am edt Sunday... Overall forecast in good shape. Just
some minor tweaks to remaining low clouds and fog... But that
should go away by mid-morning. Otherwise... Best way to describe
the near term forecast period through Monday is record breaking.

High temperatures today and Monday will be in the mid 80s to
lower 90s which will establish new record highs both days... See
climate section below for specific numbers. Other than some
early morning fog this morning and Monday morning expect full
sunshine... Higher dew points... No precipitation... And light
winds as a large area of high pressure sits over the region.

With the higher dew points comes higher humidities and combined
with the above normal temperatures heat index values will reach
the lower 90s... Especially in the champlain and saint lawrence
valleys. As a result will go ahead and issue a special weather
statement related to potential impacts from heat index values
this high.

Short term Monday night through Tuesday night
As of 320 pm edt Saturday... The upper level ridge will remain
over the north country through Tuesday and as such the warm airmass
will remain in place through the middle of the week. 925mb temps
and MOS guidance all suggest temps on Tuesday will warm into the
low 90s so i've kept the idea of another day well above normal
as the forecast. This also pushes heat indexes into the 90-94
degree range.

While these temps are considered sub advisory(<95 f), they are
not to be taken lightly especially given the time of year. Based
on the forecast and current records, its expected that records
will fall at all sites by 3-5 degrees. Prolonged exposure
outside combined with strenuous activity can lead to heat
related injuries. Please take caution, stay hydrated and take
frequent breaks during any outdoor activities. This will be the
third consecutive day with 90+ degree heat indexes during the
afternoon. With upper 80's to low 90's temps, the overnight lows
wont fall that much. Expect lows each night in the upper 50s to
low 60s which is 15-20 degrees above normal for this time of

Long term Wednesday through Saturday
As of 320 pm edt Saturday... The upper level ridge begins to
break down heading into Wednesday as a low pressure system
begins to finally track towards the north country from the great
lakes. With the flow aloft not turning zonal until mid day
Wednesday anticipate the frontal system moving through slower
than depicted by either the GFS or ecmwf. I've slowly increased
pop's for Wednesday night with the expectation that the best
chance of showers will be late Wednesday night just before
sunrise on Thursday. Pwat's aren't particularly high with the
system and so I anticipate generally some light showers across
the north country. There is a slight chance of some thunder
however the threat will only be over the saint lawrence based
on the idea that the front will be swinging through later and
thus the diurnal heating will be on the way down.

We finally get into some "normal air" Thursday into Friday
behind the cold front. Temps behind the front on Thursday will
still be in the upper 60s to around 70 however the cool air
advection gets going Friday and heading into weekend as 60s for
highs and 40s for lows can be expected by Friday.

Aviation 12z Sunday through Thursday
Through 12z Monday... Some lingering ifr to vlifr conditions at
kslk and kmpv due to low clouds and fog but this will be ending
around 14z and all areas will beVFR for most of the remaining
period. Look for a return of ifr to vlifr conditions at kslk and
kmpv after 06z due to low clouds and fog forming once again.

Winds will be less than 10 knots through the period.


Monday:VFR. Patchy fg.

Monday night:VFR. No sig wx.

Tuesday:VFR. No sig wx.

Tuesday night:VFR. No sig wx.

Wednesday:VFR. Chance shra.

Wednesday night:VFR. Chance shra.

Thursday:VFR. Chance shra.

Record high temperatures and year recorded for the period Sat sep 23
to Tue sep 27
day burlington massena montpelier
9 23 87 1895 86 2017* 83 1965
9 24 84 1961 87 2010 83 1961
9 25 85 1891 90 2007 85 2007
9 26 84 1934 82 1970 83 2007
9 27 83 1920 82 2003 80 2007
for burlington, here are the latest in the year dates for reaching
specific temperature thresholds
90f or higher: 9 16 1939
88f or higher: 9 22 1965
87f or higher: 9 23 1895
86f or higher: 9 23 1895 (was 87f that day)
a record was set on 9 23 at mss with a new record high temp of
86 degrees. That broke the old record of 84 degrees from 1964.

Btv watches warnings advisories
Vt... None.

Ny... None.

Synopsis... Evenson
near term... Evenson
short term... Deal
long term... Deal
aviation... Evenson
climate... Btv

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barre / Montpelier, Knapp State Airport, VT26 mi34 minN 00.50 miFog57°F57°F100%1021.2 hPa

Wind History from MPV (wind in knots)
Last 24hrCalmNE3CalmCalmNW4NE4CalmNW54W3S3CalmS3CalmS4CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmNW3N6Calm43N4NW5NW3CalmCalmCalmCalmCalmCalmS3CalmCalmCalmCalmS3CalmS3
2 days agoCalmCalm3CalmE4----NE4N6N3CalmCalmCalmCalmCalmCalmCalmCalmCalmS3S3CalmCalmCalm

Tide / Current Tables for Troy, Hudson River, New York
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Click for MapNote: Values for the Hudson River above the George Washington bridge are based upon averages for the six months May to October

Sun -- 03:05 AM EDT     -0.02 feet Low Tide
Sun -- 06:44 AM EDT     Sunrise
Sun -- 08:35 AM EDT     4.49 feet High Tide
Sun -- 11:02 AM EDT     Moonrise
Sun -- 03:21 PM EDT     -0.01 feet Low Tide
Sun -- 06:48 PM EDT     Sunset
Sun -- 09:06 PM EDT     5.11 feet High Tide
Sun -- 09:32 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Albany, New York
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Sun -- 02:55 AM EDT     -0.18 feet Low Tide
Sun -- 06:44 AM EDT     Sunrise
Sun -- 08:27 AM EDT     4.33 feet High Tide
Sun -- 11:02 AM EDT     Moonrise
Sun -- 03:11 PM EDT     -0.17 feet Low Tide
Sun -- 06:48 PM EDT     Sunset
Sun -- 08:58 PM EDT     4.95 feet High Tide
Sun -- 09:32 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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Weather Map
IR Satellite Image from GEOS

GOES Local Image of Northeast    EDIT

Wind Forecast for Burlington, VT (8,2,3,4)
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Ground Weather Radar Station Burlington, VT
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weather_mapweather_map weather_map

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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 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 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.