Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Cape Vincent, NY

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 6:54AMSunset 7:28PM Sunday March 26, 2017 8:41 PM EDT (00:41 UTC) Moonrise 5:22AMMoonset 4:55PM Illumination 0% Phase: New Moon; Moon at 29 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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LOZ065 Lake Ontario Open Waters From Hamlin Beach To The Saint Lawrence River- 142 Pm Edt Sun Mar 26 2017
This afternoon..East winds 15 to 25 knots becoming southeast. Waves 3 to 5 feet.
Tonight..Southeast winds 15 to 25 knots. Periods of rain from late evening on. Waves 3 to 5 feet subsiding to 2 to 4 feet.
Monday..Southeast winds 15 to 20 knots becoming south 5 to 15 knots. Periods of rain in the morning...then a chance of rain showers in the afternoon. Waves 1 to 3 feet subsiding to 1 foot or less.
Monday night..Southwest winds 5 to 10 knots. A chance of rain showers overnight. Waves 1 foot or less.
Tuesday..West winds 5 to 15 knots becoming north. Occasional rain showers during the day...then a chance of rain showers Tuesday night. Waves 1 to 3 feet.
Wednesday..North winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet.
Thursday..Northeast winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 2 feet or less.
LOZ065 Expires:201703262115;;116346 FZUS61 KBUF 261742 GLFLO OPEN LAKE FORECAST FOR LAKE ONTARIO NATIONAL WEATHER SERVICE BUFFALO NY 142 PM EDT SUN MAR 26 2017 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO .SYNOPSIS...A 29.8 INCH LOW OVER NORTHERN ILLINOIS WILL CROSS THE CENTRAL GREAT LAKES TONIGHT AND TOMORROW WHILE PUSHING A WARM FRONT NORTHEAST ACROSS THE LAKE. A WAVY COLD FRONT TRAILING FROM THIS LOW WILL CROSS THE LAKE MONDAY NIGHT AND EARLY TUESDAY...WITH A 30.5 INCH HIGH THEN BUILDING SOUTHEASTWARD ACROSS THE GREAT LAKES WEDNESDAY THROUGH THURSDAY. LOZ063>065-262115-

7 Day Forecast for Marine Location Near Cape Vincent, NY
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location: 44.09, -76.72     debug


Area Discussion for - Buffalo, NY
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Fxus61 kbuf 270015
afdbuf
area forecast discussion
national weather service buffalo ny
815 pm edt Sun mar 26 2017

Synopsis
Weak low pressure will move northeast across the great lakes
tonight bringing occasional showers to our region... Along with a
few embedded thunderstorms to the southern tier. The showers will
then diminish from west to east on Monday... With mild temperatures
otherwise continuing. Another low will move through the region
on Tuesday... With drier and cooler weather then following for
Wednesday and Thursday... Before unsettled weather returns on
Friday and continues through Saturday.

Near term /through Monday/
Weak low pressure over southern lake michigan will make its way
northeastward across the central great lakes tonight... With the
broad warm air advection regime out ahead of the low and a couple
of shortwave impulses/attendant weak surface troughs conspiring
to spread occasional showers across our region from southwest to
northeast. A few embedded thunderstorms will also be possible
across the southern tier owing to the presence of some weak elevated
instability... Though any winds from these and a developing 40-45 knot
low level jet will be confined to areas above the surface... Thanks to
a strong inversion situated between 1 and 2 kft. Temperature-wise...

expect a rather warm night by late march standards... With lows ranging
from around 40 across the eastern lake ontario region to the mid and
upper 40s south of lake ontario.

On Monday the low will continue tracking northeastward into quebec
province... With drier air and subsidence working across the region
following the passage of one final shortwave and its associated weak
surface trough. This will result in showers steadily diminishing
from west to east as the day progresses... Allowing for a mainly dry
afternoon from about the genesee valley westward. With little to no
change in airmass expected... Temperatures should again climb into the
50s across most areas... While touching or breaching the 60f mark again
across favored downslope flow regions south of lake ontario.

Short term /Monday night through Tuesday night/
While initially dry Monday evening, as a narrow ridge of high
pressure moves across the region, late Monday night into Tuesday
morning will see increasing coverage of rain showers as an open
trough tracks through ohio valley to off the northeast coast by
Tuesday afternoon. This will result in a few hours of showers moving
across the region, with a drying trend from west to east across the
region by Tuesday afternoon. Increased pops to categorical, with
most all locations picking some light rain on Tuesday, however it is
important to stress that Tuesday looks to be far from a washout,
with plenty of dry time as showers taper off. Highs on Tuesday will
range from the upper 40s in the north country to the upper 50s in
the southern tier as cooler air moves in from the north behind the
trough passage.

Tuesday night through Thursday will finally bring a stretch of dry
weather to region as a sprawling high pressure system builds in
across the great lakes. Temperatures will moderate to near seasonal
normals, with highs mainly in the 40s and low in the 20s/30s.

Long term /Wednesday through Sunday/
The pattern will become more active again by the end of the week
after a few dry days. A mid level closed low will meander across the
four corners region during the first half of the week, then eject
ene across the central plains to the ohio valley by Friday.

Increasing warm advection and moisture transport ahead of this
trough will bring a chance of a few showers Thursday night mainly in
western ny. Rain chances will then increase Friday and Friday night
as the deep mid level trough and associated surface low cross the
region. The system will be filling with time, which generally keeps
forcing and moisture transport on the weaker side which will in
turn keep rain amounts relatively modest.

This system will slowly pull out next weekend, with a few scattered
showers lingering into Saturday as the trough and surface low move
to the east coast, with northwest flow and wrap around moisture
hanging back across the lower great lakes. Moisture and rain chances
should diminish by Sunday as the trough moves well off the eastern
seaboard.

Temperatures will likely run a little above average through the
period, with highs generally in the low to mid 50s and lows in the
30s.

Aviation /00z Monday through Friday/
Low pressure will track from the chicago area northeastward across
the central great lakes tonight. In the process this system will
spread occasional showers across our area from west to east... With
a few embedded thunderstorms also becoming possible across the
southern tier. Expect flight conditions to largely be in the ifr
to MVFR range across the eastern lake ontario region and the higher
terrain of the southern tier and finger lakes regions... While a
general southerly flow should help to largely maintainVFR conditions
across the lake plains south of lake ontario... Except for brief
reductions to MVFR/ifr within any showers.

On Monday the surface low will make its way northeastward into
quebec province... With showers consequently diminishing from west
to east across the area. Expect a mix of ifr/MVFR conditions at the
start of the day to gradually improve to MVFR/vfr over time.

Outlook...

Monday night...VFR/MVFR... Deteriorating to MVFR/ifr in showers
across far western new york late.

Tuesday... MVFR/ifr with occasional showers.

Wednesday and Thursday...VFR.

Friday... MVFR/ifr with showers likely.

Marine
Winds will veer to southeast and then southerly tonight as weak
low pressure tracks northeastward across the central great lakes.

As this occurs... The winds across the eastern portion of lake
ontario will increase enough to reach the lower end of the advisory
range for a good chunk of the night... Though the greater wave
action will remain well offshore. Meanwhile winds across the
western portion of the lake will quickly diminish this evening...

and should allow for the eventual cancellation of advisories
there later on this evening.

The weak low will make its way further northeastward into quebec
on Monday... With a weaker pressure gradient and stable temperature
profiles resulting in winds and waves remaining below advisory
levels.

Buf watches/warnings/advisories
Ny... None.

Marine... Small craft advisory until 11 pm edt this evening for loz042-
043.

Small craft advisory until 8 am edt Monday for loz044-045.

Synopsis... Jjr/zaff
near term... Jjr/zaff
short term... Church
long term... Hitchcock
aviation... Jjr/zaff
marine... Jjr/zaff


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ALXN6 - 8311062 - Alexandria Bay, NY 45 mi42 min 34°F1021.2 hPa (-1.7)
OSGN6 - 9052030 - Oswego, NY 45 mi42 min SE 14 G 21 40°F 1019.9 hPa (-0.6)32°F
RPRN6 - Rochester, NY 74 mi42 min SSE 11 G 16 49°F 1018.6 hPa (-0.4)
RCRN6 - 9052058 - Rochester, NY 74 mi42 min 49°F 1017.7 hPa (-0.3)

Wind History for Oswego, NY
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NE1

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watertown, Watertown International Airport, NY38 mi46 minN 010.00 miOvercast39°F35°F86%1021.5 hPa

Wind History from ART (wind in knots)
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Last 24hrNE7NE6NE8NE4CalmNE5E6E7NE7E8E9E9E8NE7NE8E10NE8NE9NE9E4NE4E6CalmCalm
1 day agoNE4NE4NE6NE7NE8N6NE6NE6N6NE7NE7NE9NE9NE10NE12NE11NE13N12NE13NE10NE12NE11NE13NE10
2 days agoSE3SE4E4E3CalmSE5S7S8S8
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W6W5W4NW5

Tide / Current Tables for
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Tide / Current Tables for
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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 Buffalo, NY (20,4,5,8)
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Ground Weather Radar Station Montague, NY
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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.