Saturday, July11, 2020
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Marine Weather and Tides
Lewiston, NY

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 5:46AMSunset 8:58PM Saturday July 11, 2020 11:37 PM EDT (03:37 UTC) Moonrise 11:47PMMoonset 11:15AM Illumination 58% Phase: Waning Gibbous; Moon at 21 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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LOZ030 Lower Niagara River- 1020 Pm Edt Sat Jul 11 2020
Overnight..West winds 10 to 15 knots. Clearing.
Sunday..West winds 10 to 15 knots. A chance of showers in the afternoon.
Sunday night..Northwest winds 10 knots or less. A chance of showers.
Monday..Northwest winds 5 to 10 knots. A chance of showers.
Monday night..Northwest winds 10 knots or less. A chance of showers in the evening.
Tuesday..Northwest winds 10 knots or less. Partly cloudy.
Wednesday..South winds 10 knots or less. A chance of showers Wednesday night.
Thursday..Southwest winds 10 knots or less. A chance of showers.
LOZ030 Expires:202007120915;;708198 FZUS51 KBUF 120220 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1020 PM EDT Sat Jul 11 2020 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LOZ030-120915-


7 Day Forecast for Marine Location Near Lewiston, NY
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location: 43.19, -79.29     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 120227 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 1027 PM EDT Sat Jul 11 2020

SYNOPSIS. A complex frontal system will push east of the region overnight. Somewhat more comfortable air will move over the area in its wake. While the bulk of the second half of the weekend will be fair and dry . more widespread showers can be expected to start the new work week.

NEAR TERM /THROUGH SUNDAY/. Showers and storms associated with a complex frontal boundary will taper off from west to east overnight. There will still be heavy 'rainers' over the North Country though.

Trimmed back Pops for Sunday, with guidance suggesting the initial shortwave will exit quickly to the east. There still will be a broad trough across the region, which will support scattered afternoon showers and possibly a thunderstorm. Lake breeze boundaries may provide a focus showers and storms. It will be notably cooler on Sunday with highs within a few degrees of 80 at most locations.

SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/. A deep upper level trough will progress northward across the eastern third of the CONUS Sunday night through Monday night. While the trough axis will reside overtop of the region, this pattern will allow for the passage of a shortwave across the region Sunday night. In its wake, another shortwave will pass through Monday which will cause the overall pattern to shift.

With the passage of the first shortwave Sunday night into Monday, its associated surface low and cold frontal boundary will bring chances for rain showers. Shower and storm chances will remain through Monday night as another shortwave will promote diurnally driven convection. Otherwise, temperatures Monday will warm up to mid to upper 70s across the region.

As the upper level pattern begins to shift Monday night and Tuesday, surface high pressure will begin to build eastward into the region. With the high pressure pushing in from the west, the potential for showers will diminish throughout Monday night, drying out for Tuesday. High temperatures Tuesday will rise up into the upper 70s and low 80s across the region.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. The upper level ridge will flatten and move across the Northeast mid- week. Warm air advection will bring warmer temperatures back into the region with highs climbing into the upper 80s Wednesday.

The ridge continues to flatten and the flow becomes more or less zonal with the exception of a few weak shortwave troughs that move across the Great Lakes basin. An elongated area of high pressure will sit across the lower half of the Lower 48 through Saturday. Heat and humidity will increase into next weekend. Next sign of widespread rainfall will come sometime late in the work week with the passage of a stationary front. However, even with the boundary passage late in the week heat and humidity will continue to rise as we head into the weekend.

AVIATION /03Z SUNDAY THROUGH THURSDAY/. Widespread showers and thunderstorms east of the Genesee valley tonight will result in periods of MVFR to IFR conditions. Otherwise mainly VFR weather can be expected later tonight through Sunday.

Outlook .

Sunday night . VFR. Monday . VFR/MVFR with showers and thunderstorms likely. Tuesday and Wednesday . VFR. Thursday . VFR/MVFR with a chance of showers and thunderstorms.

MARINE. Winds in the wake of a complex frontal boundary will result in freshening winds throughout the Lower Great Lakes. This will result in widespread small craft advisories for into early Sunday morning.

A weakening pressure gradient Sunday afternoon and night will allow winds and waves to subside. High pressure will then provide gentle to occasional moderate breezes Monday and Tuesday.

BUF WATCHES/WARNINGS/ADVISORIES. NY . Beach Hazards Statement until 2 AM EDT Sunday for NYZ019. MARINE . Small Craft Advisory until 1 AM EDT Sunday for LEZ040-041. Small Craft Advisory until 11 AM EDT Sunday for LOZ042>044.



SYNOPSIS . RSH NEAR TERM . Apffel/RSH SHORT TERM . EAJ LONG TERM . EAJ AVIATION . RSH MARINE . RSH


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45139 - West Lake Ontario - Grimsby 13 mi98 min W 16 G 18 75°F 71°F1 ft1004.4 hPa (+1.4)
NIAN6 - 9063012 - Niagara Intake, NY 17 mi50 min 73°F 1005.7 hPa
BUFN6 - 9063020 - Buffalo, NY 30 mi50 min W 14 G 16 75°F 80°F1006 hPa52°F
45142 - Port Colborne 31 mi98 min W 16 G 18 76°F 74°F3 ft1005.2 hPa (+1.8)
OLCN6 - Olcott Harbor, NY 32 mi38 min W 14 G 16 76°F 1004.4 hPa (+0.3)
PSTN6 - 9063028 - Sturgeon Point, NY 37 mi50 min 76°F 1006 hPa
45159 - NW Lake Ontario Ajax 43 mi38 min WNW 12 G 18 75°F 74°F1 ft1003.1 hPa (+1.2)
DBLN6 - Dunkirk, NY 48 mi38 min W 15 G 19 76°F 1006.1 hPa (+1.1)

Wind History for Buffalo, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Niagara Falls, Niagara Falls International Airport, NY19 mi45 minW 1010.00 miOvercast71°F64°F79%1004.3 hPa

Link to 5 minute data for KIAG

Wind History from IAG (wind in knots)
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Last 24hrNW4N6CalmSW4W7SW3CalmCalmSW7SW6W7NW6NW9NW11NW10NW6W15NW16W12NW13W8W8W8W10
1 day agoSW15W5CalmS5SW7S4SE4S5S5SW9S9S11SW10SW64NE9
G17
NE6E64E10N6E5SW5W7
2 days agoSW3S4S4S4CalmCalmSE4S3S6S6S7SW9SW8SW8W7W55SW8NE10E10E7SE4SE6E12

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of GreatLakes    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Buffalo, NY (23,6,7,8)
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Ground Weather Radar Station Buffalo, 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 numerous 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.