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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:21AM | Sunset 7:55PM | Sunday August 25, 2019 6:03 PM EDT (22:03 UTC) | Moonrise 12:00AM | Moonset 3:18PM | Illumination 22% |  |
LOZ043 Hamlin Beach To Sodus Bay Along Lake Ontario Including Irondequoit Bay- 431 Pm Edt Sun Aug 25 2019
Tonight..Northeast winds 5 to 10 knots becoming southeast. Mainly clear. Waves 2 feet or less.
Monday..Southeast winds 5 to 15 knots becoming east. Sunny in the morning, then becoming partly Sunny. Waves 2 feet or less.
Monday night..East winds 10 to 15 knots becoming south. Mostly cloudy. Waves 2 feet or less.
Tuesday..South winds 10 to 15 knots. A chance of showers. Waves 2 feet or less.
Tuesday night..South winds 5 to 15 knots. Showers likely with a chance of Thunderstorms. Waves 2 feet or less.
Wednesday..Southwest winds 5 to 15 knots. Showers likely with a chance of Thunderstorms during the day. Waves 2 feet or less.
Thursday..Southwest winds 5 to 15 knots. Becoming mainly clear. Waves 2 feet or less.
Friday..Southwest winds 5 to 15 knots becoming west. A chance of showers. Waves 2 feet or less. Winds and waves higher in and near Thunderstorms. The water temperature off rochester is 70 degrees.
Tonight..Northeast winds 5 to 10 knots becoming southeast. Mainly clear. Waves 2 feet or less.
Monday..Southeast winds 5 to 15 knots becoming east. Sunny in the morning, then becoming partly Sunny. Waves 2 feet or less.
Monday night..East winds 10 to 15 knots becoming south. Mostly cloudy. Waves 2 feet or less.
Tuesday..South winds 10 to 15 knots. A chance of showers. Waves 2 feet or less.
Tuesday night..South winds 5 to 15 knots. Showers likely with a chance of Thunderstorms. Waves 2 feet or less.
Wednesday..Southwest winds 5 to 15 knots. Showers likely with a chance of Thunderstorms during the day. Waves 2 feet or less.
Thursday..Southwest winds 5 to 15 knots. Becoming mainly clear. Waves 2 feet or less.
Friday..Southwest winds 5 to 15 knots becoming west. A chance of showers. Waves 2 feet or less. Winds and waves higher in and near Thunderstorms. The water temperature off rochester is 70 degrees.
LOZ043 Expires:201908260300;;201177
FZUS51 KBUF 252032
NSHBUF
Nearshore Marine Forecast
National Weather Service Buffalo NY
431 PM EDT Sun Aug 25 2019
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.
LOZ043-260300-
7 Day Forecast for Marine Location Near Lyons, NY
Hourly EDIT Helplocation: 43.06, -77 debug
Area Discussion for - Buffalo, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kbuf 252017 afdbuf area forecast discussion national weather service buffalo ny 417 pm edt Sun aug 25 2019 Synopsis Surface high pressure over new england will provide all of new york with another dry day on Monday. A warm front will move across the region on Tuesday and give far western new york a chance for some rain, then a cold front will give all of western and central new york chances for rain on Wednesday. Slightly cooler weather will return behind the cold front on Thursday and Friday. Near term through Monday A huge longwave ridge is firmly established over the great lakes region while an upper level trough moves into the plains. The ridge is responsible for a large surface high pressure centered over the northeast us. First a kudos to goes-16 and the product developers... Really digging the relatively new upper level dmw (derived motion winds) overlaid on upper level GOES (6.19 um channel 8) satellite data this afternoon. This does a great job tracing the higher level moisture and roughly maps out the jet stream responsible for the plains trough. Meanwhile, lower level dmw overlaid on the sandwich rgb does a fantastic job tracing the low topped stratocumulus field moving wnw over the wny (while thin cirrus moves east when following (singled out with the 1.38 um channel 4)). Anyway, little in the way of sensible weather expected tonight under the surface high pressure. Expect another late bout of valley fog, but this may be tempered somewhat by increasing high thin cirrus seen moving NE from the ohio valley ahead of the plains trough. On Monday, the cirrus shield should continue NE across wny and later cny, with slowly increasing opacity with time. This should result in mostly cloudy skies over and south of kbuf, but with less overall cloud cover toward the eastern lake ontario region. But, the pesky thin layer of moisture that's produced daily bouts of stratocumulus over the past few days will have a harder time reforming with less overall insolation and boundary layer mixing. The moisture will still be there, but the increasing cirrus should provide just enough shielding to prevent the resurgent low topped convection and subsequent cloud formation. Meanwhile, slow but steady increasing temperatures should result in highs increasing by ~5f from persistence, or in the mid to upper 70s. Short term Monday night through Wednesday night A warm front will approach from the west Monday night then cross the area on Tuesday, as high pressure retreats eastward off the new england coast. The majority of the area will remain dry Monday night with the exception of late in the night when some showers may reach far western ny. Strengthening warm advection along the nose of a 40 kt low level jet will move across western ny Tuesday. The best warm air advection will be from the finger lakes west where there will be some showers along the front on Tuesday. 12z model guidance is slightly stronger with the low level jet, enough so that there may even be gusty downslope winds near lake erie off the chautauqua ridge late Monday night into Tuesday morning. There will be a wide range in temperatures Monday night with lows in the lower to mid 50s across the valleys of the southern tier and east of lake ontario. However, an increasing sse flow will lead to downsloping near lake erie where lows will only be in the lower to mid 60s. High temperatures on Tuesday will be similar to Monday, however there will be a noticeable uptick in the humidity, especially across western ny, as dew points rise into the mid 60s. A cold front will approach western ny Tuesday night and then slowly move east across the forecast area during the day Wednesday. 12z model consensus is slightly slower with the timing of this front. The main threat with this front appears to be a period of heavy rain just ahead of the boundary with pwat values rising to 1.75-2.00" within a ribbon of deep moisture pooling just ahead of the cold front on the leading edge of 30-40kt low level jet. Will keep just |
the chance for thunder in the forecast as instability along the front is marginal. Deep southerly flow combined with increased cloud cover will keep low temperatures across most areas in the 60s Tuesday night, with some upper 50s across the higher terrain east of lake ontario. Highs on Wednesday will be in the mid to upper 70s for most areas, with some low 70s across the higher terrain. The front will push east of the area by Wednesday night, with showers and embedded thunderstorms ending from west to east Wednesday afternoon and evening. The front will usher in cooler air aloft with consensus 850mb temperatures dropping to around +10c by late Wednesday night, and these will even be a bit cooler across lake erie. The combination of lingering moisture from an upper level trough and the cooler air may support limited lake effect showers northeast of lake erie late Wednesday night. Long term Thursday through Sunday Lake effect rain showers may still be supported northeast of lake erie Thursday morning as 850 mb temperatures continue to remain sub +10c through 18z, with the upper level low continuing to slowly shift to the east. Diurnal effects will end the lake effect potential by Thursday afternoon, although a few cold core showers can not be ruled out over interior sections during peak afternoon heating. Surface high pressure to our south will slide to the mid- atlantic region bringing in warmer and drier air for Thursday night into Friday. Thursday night looks dry and this trend may last through the entirety of Friday, but both the GFS and ecmwf start to stretch a cold front toward the region by late in the day Friday. Cold front will move through the region Friday night or Saturday. Gfs is much more optimistic with mainly dry weather right through Sunday, while the ECMWF develops a wave along the front suggesting a much better potential for rain. Will trend the forecast more toward the drier GFS and continuity at this point until model consensus comes into better agreement. Temperatures will not stray much from normal, with highs in the 70s and lows in the mid to upper 50s through this period. Aviation 20z Sunday through Friday High pressure will dominate with mainlyVFR flight conditions and light winds through tonight. Stratocumulus will again dissipate by nightfall with clear skies and local valley fog overnight. Some thin cirrus should be steadily moving in from the SW on Monday. Outlook... Monday night... MainlyVFR. Tuesday night through Wednesday...VFR with some short periods of MVFR from showers and thunderstorms. Thursday and Friday... MainlyVFR, some MVFR with showers possible. Marine Relatively light and variable winds with corresponding light wave action are expected into Monday as surface high pressure moves slowly east across the region. A warm front will move through on Tuesday, followed by a cold front on Wednesday. Winds will be slowly veering from S to SW during this time, but overall should remain below sca. Buf watches warnings advisories Ny... None. Marine... None. Synopsis... near term... Zaff short term... Apffel jm long term... Tma aviation... Zaff marine... Zaff |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| RPRN6 - Rochester, NY | 35 mi | 63 min | E 12 G 15 | 70°F | ||||
| RCRN6 - 9052058 - Rochester, NY | 36 mi | 51 min | 70°F | 1023.2 hPa | ||||
| OSGN6 - 9052030 - Oswego, NY | 38 mi | 51 min | N 8 G 9.9 | 73°F | 1023.7 hPa | 59°F | ||
| 45012 - Lake Ontario Buoy - 20NM North Northeast of Rochester, NY | 44 mi | 23 min | ENE 7.8 G 9.7 | 71°F | 1023.9 hPa | 60°F |
Wind History for Oswego, NY
(wind in knots) EDIT (on/off) Help| 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | |
| Last 24hr | NE G7 | N G8 | NE G9 | SE | SE | E | SE | SE | E | E | NE | E | SE | S | S | SE G7 | SE G7 | NE G7 | SE G6 | N | N | N | NE G13 | NE |
| 1 day ago | W G17 | W G16 | NW G15 | N | NE G19 | NE G17 | NE G17 | E G7 | E | E G6 | E G7 | E G5 | SE | E G5 | NE G11 | NE G12 | NE G11 | NE G9 | NE G11 | N | NE | N | N | NE G9 |
| 2 days ago | W G17 | W | W G20 | W G21 | W G21 | W | NW G21 | NW | N G11 | NE G15 | NE G9 | SE | SE | SE | NE | NE G10 | NE G11 | N G10 | N G8 | N G9 | N G8 | NW | W G11 | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Penn Yan, Penn Yan Airport, NY | 28 mi | 70 min | N 0 | 10.00 mi | Mostly Cloudy | 71°F | 55°F | 59% | 1024.5 hPa |
Link to 5 minute data for KPEO
Wind History from PEO (wind in knots)
| 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | |
| Last 24hr | Calm | Calm | Calm | SE | S | SW | SW | S | Calm | N | Calm | Calm | Calm | |||||||||||
| 1 day ago | N | N | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | |||||||||||
| 2 days ago | NW | SW | SW | SW | Calm | W | SW | NW | NW | NW | N G15 | NW |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map and Satellite Images
(on/off) HelpWeather Map
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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Buffalo, NY (18,4,5,8)
(on/off) Help
Ground Weather Radar Station Binghamton, NY
(on/off) Help
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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. |