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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 6:16AM | Sunset 8:12PM | Saturday August 17, 2019 9:46 PM EDT (01:46 UTC) | Moonrise 8:33PM | Moonset 7:06AM | Illumination 94% |  |
LOZ043 Hamlin Beach To Mexico Bay Along Lake Ontario Including Irondequoit Bay- 708 Pm Edt Sat Aug 17 2019
Tonight..South winds 5 to 10 knots becoming southwest. Partly cloudy. Waves 1 foot or less.
Sunday..South winds 5 to 10 knots becoming southwest. A chance of showers and Thunderstorms. Waves 1 foot or less.
Sunday night..Southeast winds 10 knots or less becoming southwest. A chance of showers and Thunderstorms in the evening, then a chance of showers overnight. Waves 1 foot or less.
Monday..Southwest winds 5 to 15 knots becoming west. A chance of showers in the morning, then a chance of showers and Thunderstorms in the afternoon. Waves 2 feet or less.
Monday night..West winds 10 knots or less becoming northwest. Partly cloudy. Waves 1 to 3 feet.
Tuesday..Light and variable winds. A chance of showers Tuesday night. Waves 1 foot or less.
Wednesday..Southwest winds 5 to 10 knots becoming northwest and increasing to 15 to 20 knots. Showers likely with a chance of Thunderstorms. Waves 1 foot or less building to 3 to 5 feet. Waves occasionally around 6 feet.
Thursday..Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers during the day. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. Winds and waves higher in and near Thunderstorms. The water temperature off rochester is 45 degrees.
Tonight..South winds 5 to 10 knots becoming southwest. Partly cloudy. Waves 1 foot or less.
Sunday..South winds 5 to 10 knots becoming southwest. A chance of showers and Thunderstorms. Waves 1 foot or less.
Sunday night..Southeast winds 10 knots or less becoming southwest. A chance of showers and Thunderstorms in the evening, then a chance of showers overnight. Waves 1 foot or less.
Monday..Southwest winds 5 to 15 knots becoming west. A chance of showers in the morning, then a chance of showers and Thunderstorms in the afternoon. Waves 2 feet or less.
Monday night..West winds 10 knots or less becoming northwest. Partly cloudy. Waves 1 to 3 feet.
Tuesday..Light and variable winds. A chance of showers Tuesday night. Waves 1 foot or less.
Wednesday..Southwest winds 5 to 10 knots becoming northwest and increasing to 15 to 20 knots. Showers likely with a chance of Thunderstorms. Waves 1 foot or less building to 3 to 5 feet. Waves occasionally around 6 feet.
Thursday..Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers during the day. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. Winds and waves higher in and near Thunderstorms. The water temperature off rochester is 45 degrees.
LOZ043 Expires:201908180300;;798333
FZUS51 KBUF 172308
NSHBUF
Nearshore Marine Forecast
National Weather Service Buffalo NY
708 PM EDT Sat Aug 17 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.
LOZ043-044-180300-
7 Day Forecast for Marine Location Near Naples, NY
Hourly EDIT Helplocation: 42.62, -77.4 debug
Area Discussion for - Binghamton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kbgm 180052 afdbgm area forecast discussion national weather service binghamton ny 852 pm edt Sat aug 17 2019 Synopsis A few upper level disturbances will move east across the region through Sunday night with off and on showers and thunderstorms. A weak cold front will move into the region Monday with chances for more showers and thunderstorms. This unsettled weather pattern will last until late next week when a stronger cold front moves through the region. High pressure will follow this front bringing fair and cooler weather for Friday and Saturday. Near term through Sunday night 850 pm update... Upper level short wave seen well in the water vapor imagery was tracking northeast into southwest quebec. Subsidence behind this feature as well as the loss of the daytime heating will eventually lead to the demise of the showers and thunderstorms across the poconos into the southern catskills. This activity will continue to move east and south of our area by late evening. Much of the rest of the night will become clear with valley fog forming overnight. 700 pm update... Updated pops to better reflect radar coverage. Otherwise no major changes after 03z. Previous discussion... water vapor imagery shows an upper level wave moving northeast across far southeast ontario. This wave was leading to cooling aloft at 500 mb as per the SPC mesoanalysis. Visible satellite imagery continues to show insolation south of the convection which has fired over northern and western ny. Mixed layer capes were running between 1000 and 2000 j kg in south central ny and northeast pa south of convection. Vertical wind shear was between 30 and 40 knots so we expect more development farther south with strong to severe thunderstorms. We will have likely pops moving east across the forecast area of central ny northeast pa for showers and thunderstorms. Enhanced the wording with gusty winds and lightning. Activity will wind down overnight with loss of heating and passage of short wave warming aloft. The low-level winds will be light southerly so will have patchy valley fog again late tonight. For Sunday, models show another smaller upper wave moving east Sunday which will be the impetus for more afternoon convection. The lower atmosphere will be even moister than today with dewpoints likely into the lower 70s and hence model capes exceed 2000 j kg. 0-6 km wind shear will be 25 to 30 knots or so and with a weaker wave believe there will be more storms but not as widespread as today. Heat indices are projected to be close to heat advisory criteria but fall just short. So no heat advisories this issuance. By Sunday night, another upper wave moves through to our north but we will be in the diurnal minimum of CAPE so have slight chance to chance pops higher in our north and lower to the south farther away from the wave and lifting. Short term Monday through Tuesday night For Monday, upper level short wave trough moves northeast from eastern ontario to central quebec. This wave will press a cold front south into northern ny eastern great lakes region by Monday evening. The low-level winds will accelerate from the west-southwest ahead of this upper level wave and advect higher low-level dewpoints into central ny and northeast pa. Mixed |
layer capes on the NAM are projected to be over 2000 j kg especially in south central ny and northeast pa. The 0-6 km bulk vertical wind shear is between 25 and 35 knots with the highest shear farther north. We will go with scattered to numerous showers and thunderstorms for Monday afternoon. Pops will be highest in north central ny and lower farther south. There will be some potential for severe thunderstorms given the instability and shear profiles. Heat indices also will be close to heat advisory criteria of 95f in parts of central ny as well. For Monday night, high pressure builds across central ny and northeast pa as we come under a short-lived short wave ridge axis. With clearing skies, looks like an excellent night for valley fog formation by Tuesday morning. GFS holds onto some showers into the night with the euro and NAM tapering activity down into the evening. We will have chance pops for showers and storms mainly in the evening, tapering off overnight into Tuesday morning. For Tuesday and Tuesday night, more showers and thunderstorms will be possible as a low-level wave spins up across the middle atlantic states. The euro GFS cmc and NAM all have this feature with associated qpf. For grids went with nbm for now given the timing uncertainities and the convective nature of the wave. Long term Wednesday through Saturday Used nbm as a starting point for this period. All synoptic models show a large upper trough building into the northeast u.S by Friday with a large canadian high pressure following the trough. This trough will push a cold front through the region from Wednesday night to Thursday night depending on which model you look at. So used the blend to populate the pops in this time period. All synoptic models and the nbm agree that cooler and drier air covers the region for Friday and Saturday so have pops less than 15 percent both days. Aviation 01z Sunday through Thursday A line of thunderstorms will affect kavp between 00z and 01z and have a 1 hour tempo group to ifr with a gust to 35 knots from the west-northwest. After this line of storms passes east of kavp all terminals will beVFR until fog and low clouds form overnight for some terminals. We expect ifr in fog at kith, kbgm and ifr vlifr in fg at kelm between 7-8z and 13z. Rest of terminals should stayVFR. After sunrise on Sunday there is enough low-level moisture that we believe an MVFR deck will develop for a few hours all terminals before a scattered to brokenVFR cumulus deck forms all terminals by 15-17z. After 17z vfr all terminals. We put a prob30 group 18z-24z for MVFR -tsra all terminals as there will be scattered hit and miss thunderstorms around. Winds will be nearly calm overnight and light southerly on Sunday during the day. Outlook... Sunday night... MVFR conditions possible in lingering showers. Monday to Thursday... Restrictions possible in showers and storms. Bgm watches warnings advisories Pa... None. Ny... None. Synopsis... Djn near term... Djn short term... Djn long term... Djn aviation... Djn |
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 | 46 mi | 47 min | SSW 6 G 8.9 | 75°F | ||||
| RCRN6 - 9052058 - Rochester, NY | 46 mi | 47 min | 73°F | 1011.7 hPa (-0.0) | ||||
| OSGN6 - 9052030 - Oswego, NY | 75 mi | 47 min | SSE 5.1 G 8 | 69°F | 1013.2 hPa | 65°F |
Wind History for Oswego, NY
(wind in knots) EDIT (on/off) Help| 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 | 7 PM | 8 PM | 9 PM | |
| Last 24hr | S G6 | S | S | SE | S | S | S | SE | S | SE | S G10 | SE | SE G11 | SE G9 | SW | NW G13 | SE | SE | S | SE G13 | SE G15 | SE G13 | SE G15 | SE G8 |
| 1 day ago | NE G12 | E | SE | SE | SE G10 | SE G9 | SE | S G10 | SE G4 | -- | SE | E | SE | E | N | NE | NE G11 | NE | N G12 | NE | NE G11 | NE G8 | E | S G19 |
| 2 days ago | NE G9 | NE G14 | NE G17 | NE G16 | NE G10 | NE G7 | E | SE | E | SE | E | SE G8 | E G10 | NE | NE | N | N G15 | N G14 | NE | N G15 | N G14 | N | SE | E |
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 |
| Dansville, Dansville Municipal Airport, NY | 17 mi | 1.9 hrs | S 3 | 10.00 mi | Fair | 72°F | 69°F | 91% | 1014.7 hPa |
| Penn Yan, Penn Yan Airport, NY | 19 mi | 1.9 hrs | SW 5 | 10.00 mi | Fair | 70°F | 66°F | 90% | 1014.3 hPa |
Link to 5 minute data for KDSV
Wind History from DSV (wind in knots)
| 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 | 7 PM | 8 PM | 9 PM | |
| Last 24hr | SE | SE | SE | SE | SE | SE | S | S | SE | NW G19 | NW | W | S | S | E | SE | S | S | ||||||
| 1 day ago | Calm | Calm | Calm | Calm | Calm | SE | SE | S | SE | NW | NW | NW | N | N | Calm | |||||||||
| 2 days ago | Calm | Calm | Calm | SE | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | SE | E | E | SE | SE | SE | N | S | Calm | SE |
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 Binghamton, NY (21,6,7,8)
(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. |