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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 5:27AM | Sunset 8:08PM | Tuesday May 21, 2019 6:31 PM EDT (22:31 UTC) | Moonrise 11:00PM | Moonset 7:43AM | Illumination 91% |  |
ANZ345 South Shore Bays From Jones Inlet Through Shinnecock Bay- 347 Pm Edt Tue May 21 2019
Tonight..NW winds 10 to 15 kt. Waves around 2 ft this evening, then 1 ft or less.
Wed..N winds around 10 kt, becoming W in the afternoon. Waves 1 ft or less.
Wed night..S winds 5 to 10 kt. Waves 1 ft or less.
Thu..S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft.
Thu night..SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of showers and tstms.
Fri..NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Fri night..N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less.
Sat..E winds 5 to 10 kt, becoming S in the afternoon. Waves 1 ft or less.
Sat night..S winds around 10 kt. Waves around 2 ft. Chance of showers.
Sun..W winds around 10 kt. Waves 1 ft or less.
Sun night..W winds 5 to 10 kt, becoming nw after midnight. Waves 1 ft or less. Winds and waves higher in and near tstms.
Tonight..NW winds 10 to 15 kt. Waves around 2 ft this evening, then 1 ft or less.
Wed..N winds around 10 kt, becoming W in the afternoon. Waves 1 ft or less.
Wed night..S winds 5 to 10 kt. Waves 1 ft or less.
Thu..S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft.
Thu night..SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of showers and tstms.
Fri..NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Fri night..N winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less.
Sat..E winds 5 to 10 kt, becoming S in the afternoon. Waves 1 ft or less.
Sat night..S winds around 10 kt. Waves around 2 ft. Chance of showers.
Sun..W winds around 10 kt. Waves 1 ft or less.
Sun night..W winds 5 to 10 kt, becoming nw after midnight. Waves 1 ft or less. Winds and waves higher in and near tstms.
ANZ300 347 Pm Edt Tue May 21 2019
Synopsis for the long island waters and new york harbor.. High pressure builds in through Wednesday, then offshore Wednesday night. A warm front will approach on Thursday and move across the area Thursday night. High pressure returns to the region on Friday. The first in a series of fronts will move into region during Saturday night, with subsequent fronts moving across the region during the remainder of the holiday weekend.
Synopsis for the long island waters and new york harbor.. High pressure builds in through Wednesday, then offshore Wednesday night. A warm front will approach on Thursday and move across the area Thursday night. High pressure returns to the region on Friday. The first in a series of fronts will move into region during Saturday night, with subsequent fronts moving across the region during the remainder of the holiday weekend.
7 Day Forecast for Marine Location Near Mastic Beach, NY
Hourly EDIT Helplocation: 40.75, -72.78 debug
Area Discussion for - New York City/Upton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kokx 212020 cca afdokx area forecast discussion... Corrected national weather service new york ny 420 pm edt Tue may 21 2019 Synopsis High pressure builds in through Wednesday, then offshore Wednesday night. A warm front will approach on Thursday and move across the area Thursday night. High pressure returns to the region on Friday. The first in a series of fronts will move into region during Saturday night, with subsequent fronts moving across the region during the remainder of the holiday weekend. Near term until 6 am Wednesday morning Apart from a few wisps of cirrus passing to the south, clear skies will prevail into the night amidst broader subsidence as deep layer ridging builds across the region. Although gusty winds will gradually begin to subside into the evening, the pressure gradient should remain sufficiently tight to hinder more favorable radiational cooling conditions overnight. As such, mixing will aid in low temperatures closer to seasonable values, in the 40s across outlying areas and in the 50s elsewhere. Short term 6 am Wednesday morning through Wednesday night Deep layer ridging builds overhead into Wednesday, with flow lightening sufficiently enough to allow for sea breeze development in the afternoon. Skies will initially be clear, but some cirrus could overspread the area in the afternoon as subtle short waves move along the periphery of the upper ridge. Otherwise, expect seasonable highs. The ridge axis then becomes shunted southward overnight with the approach of a strong short wave. Between the attendant surface low to the west and high pressure moving offshore, flow will become more southerly, allowing a return to warm advection, and leading to a subsequent increase in clouds. Although a few showers will be possible, subsidence aloft will gradually decrease the coverage of showers overnight, with the greatest chance of rain persisting across the lower hudson valley into portions of new jersey. The return to southerly flow and increase in cloud cover will maintain low temperatures close to or a few degrees above climatological normals. Long term Thursday through Tuesday The overall pattern to begin the period will feature an intermountain west us trough and a southeastern us ridge. Later in the period the western trough will deamplify and progress east in the central CONUS and midwest along with a de-amplification and displacement south of the southeastern ridge. To begin the period the region will undergo warm advection as a warm front off to the west will begin to approach the region. Thicknesses and 850 mb temperatures will rise throughout the day on Thursday. As the high moves offshore a southerly flow is expected to get established, especially across the eastern half of the area. This should serve to stabilize locations across the eastern half of the cwa throughout the day with a good cap in place, at least initially. However, further west and southwest more destabilization is expected to occur. There is some timing differences with the shortwave that moves just north of the region, with the timing consensus from the numerical guidance focusing on Thursday evening and the first half |
of Thursday night. If this shortwave feature and any subsequent height falls can make its effects felt into the western half of the cwa by late in the day and during the early evening then the chances of convection, and possibly some severe convection will be enhanced. Spc has the area under a marginal to slight risk of severe weather on Thursday into Thursday evening, with the higher risk across locations west of new york city. The convective threat does appear to be highly conditional, meaning that if the ingredients come together any convection could become severe. However, not seeing consistency with the features amongst the models to feel confident in seeing severe weather at this time. Instability overall is not overly impressive, however there may be enough instability to work on as winds to pick up aloft and some signs of airmass stacking are evident across western parts of the region later on Thursday. Effect bulk shear will increase and should work on any convection that does develop. There will be slightly backed surface winds, so it looks like a good set up for good 0-1 km directional shear. Therefore any storms that do develop could have some rotation with them, with the main threat with any storms likely being wind. The mid level shortwave will move along quickly so any showers and convection should move out of the region by 6-9z Friday with clearing skies into Friday morning. By 12z on Friday a deep northwest flow with CAA gets established as clearing skies should set up quickly in the wake of the departing shortwave. Deep layer ridging is progged to take place during Friday resulting in a good deal of sunshine. A northwest wind be may be a bit gusty at times, but otherwise it will be a pleasant and dry day. Upper level ridging is expected to hold through most of Saturday, with some height suppression then taking place late Saturday into Saturday night. This will lead to the approach of a warm front late Saturday into Saturday night. The forecast then looks to be a bit more difficult beginning around then with lower confidence going into the remainder of the holiday weekend. The region should get into the warm sector on Sunday with the modeling differing on some of the details. As the trailing cold front gets closer to the region late Sunday and Sunday night the chance for showers and possibly thunderstorms will increase. The big question then becomes have quickly does the cold front progress south and east on Monday. With the upper level pattern that is forecast there is a chance that the boundary will stall and get hung up over the region. This would result in unsettled weather for the holiday on Monday. The shortwave will then eject east which would set up dry and cool advection in its wake leading to pleasant conditions into Tuesday. Temperatures are expected to average near normal to slightly above normal through Saturday night. Temperatures will then get slightly warmer Sunday into Monday, before settling to near normal levels again by Tuesday. Aviation 19z Tuesday through Sunday High pressure builds into the region. Vfr with winds mainly north of 310 magnetic. Sustained winds mostly around 15 kt with gusts around 25 kt. Winds and gusts diminish early this evening, with the gusts ending 01z to 02z and winds diminishing to 10 kt or less overnight. Ny metro enhanced aviation weather support... detailed information, including hourly TAF wind component fcsts, can be found at: http: |
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 |
| 44069 | 17 mi | 61 min | WNW 18 G 21 | 69°F | 64°F | 44°F | ||
| BRHC3 - 8467150 - Bridgeport, CT | 36 mi | 37 min | NNW 9.9 G 17 | 70°F | 54°F | 1012.2 hPa | ||
| NWHC3 - 8465705 - New Haven, CT | 37 mi | 37 min | N 22 G 32 | 66°F | 59°F | 1012.7 hPa | ||
| 44017 - 23 Nautical Miles Southwest of Montauk Point, NY | 39 mi | 31 min | W 12 G 14 | 60°F | 55°F | 1012.1 hPa | 48°F | |
| 44025 - LONG ISLAND 33 NM South of Islip, NY | 40 mi | 41 min | WSW 12 G 14 | 61°F | 56°F | 3 ft | 1013.2 hPa (-0.0) | |
| MTKN6 - 8510560 - Montauk, NY | 48 mi | 37 min | 61°F | 57°F | 1011.6 hPa |
Wind History for Bridgeport, CT
(wind in knots) EDIT (on/off) Help| 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | -12 PM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | |
| Last 24hr | SW G8 | SW | SW | SE | W | N G13 | N G12 | NW | NW G14 | NW G14 | NW G8 | W G10 | N G10 | NW G18 | NW G15 | NW G15 | NW G16 | N G18 | NW G17 | N G17 | NW G18 | NW G18 | N G16 | |
| 1 day ago | S G9 | SW G7 | SW G13 | SW G9 | S | S | SW G10 | W G8 | S G8 | SW | S | SW G10 | SW | SW | W G6 | SW G11 | SW | S | SW G14 | SW G15 | SW G16 | SW G16 | SW G12 | NW G8 |
| 2 days ago | SW | SW G11 | SW G9 | SW G9 | SW | W | S | SW | W | S | SE | S | SW | S | SE | SE | SE | SW G11 | S G11 | S G12 | S G11 | SE | S G12 | S G12 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Shirley, Brookhaven Airport, NY | 6 mi | 95 min | WNW 15 G 26 | 10.00 mi | Fair | 72°F | 32°F | 23% | 1011.5 hPa |
| The Gabreski Airport, NY | 10 mi | 38 min | NW 12 | 10.00 mi | Fair | 71°F | 36°F | 28% | 1012.6 hPa |
| Islip, Long Island Mac Arthur Airport, NY | 17 mi | 95 min | WNW 15 G 20 | 10.00 mi | Partly Cloudy | 73°F | 36°F | 26% | 1011.6 hPa |
Wind History from HWV (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 | W | SW | S | SW | SW | SW | N G18 | N | NW | NW G22 | NW | NW | NW | NW G26 | NW G24 | NW G23 | NW G24 | N G23 | NW G21 | W G20 | NW G22 | NW G22 | NW G26 | NW G27 |
| 1 day ago | S G22 | S G25 | S G23 | SW G17 | S | SW G16 | SW | S | S | S | S | S | S | SW G17 | SW | S | S | S | S | S | S | S G20 | SW | |
| 2 days ago | SW G15 | SW | S | S | S | SW | S | S | S | S | S | S | S | S | S | S | S G21 | S | S G24 | S G25 | S G22 | S G25 | S G23 |
Tide / Current Tables for Moriches Inlet, Long Island, New York
EDIT Weekend mode (on/off) (on/off) Help One Week of DataMoriches Inlet
Click for Map
Tue -- 03:25 AM EDT -0.17 feet Low Tide
Tue -- 05:28 AM EDT Sunrise
Tue -- 07:42 AM EDT Moonset
Tue -- 09:36 AM EDT 2.93 feet High Tide
Tue -- 03:27 PM EDT 0.19 feet Low Tide
Tue -- 08:06 PM EDT Sunset
Tue -- 09:51 PM EDT 3.46 feet High Tide
Tue -- 11:00 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 03:25 AM EDT -0.17 feet Low Tide
Tue -- 05:28 AM EDT Sunrise
Tue -- 07:42 AM EDT Moonset
Tue -- 09:36 AM EDT 2.93 feet High Tide
Tue -- 03:27 PM EDT 0.19 feet Low Tide
Tue -- 08:06 PM EDT Sunset
Tue -- 09:51 PM EDT 3.46 feet High Tide
Tue -- 11:00 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 | 10 pm | 11 pm |
| 2 | 1.1 | 0.3 | -0.1 | -0.1 | 0.4 | 1.2 | 1.9 | 2.5 | 2.9 | 2.9 | 2.5 | 1.9 | 1.2 | 0.6 | 0.2 | 0.3 | 0.7 | 1.5 | 2.3 | 2.9 | 3.3 | 3.5 | 3.2 |
Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
EDIT (on/off) Help One Week of DataShinnecock Canal
Click for Map
Tue -- 02:52 AM EDT -1.85 knots Max Ebb
Tue -- 05:27 AM EDT Sunrise
Tue -- 06:29 AM EDT 0.00 knots Slack
Tue -- 07:41 AM EDT Moonset
Tue -- 08:52 AM EDT 1.27 knots Max Flood
Tue -- 11:53 AM EDT -0.00 knots Slack
Tue -- 03:03 PM EDT -1.55 knots Max Ebb
Tue -- 06:23 PM EDT 0.00 knots Slack
Tue -- 08:06 PM EDT Sunset
Tue -- 09:04 PM EDT 1.60 knots Max Flood
Tue -- 10:59 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 02:52 AM EDT -1.85 knots Max Ebb
Tue -- 05:27 AM EDT Sunrise
Tue -- 06:29 AM EDT 0.00 knots Slack
Tue -- 07:41 AM EDT Moonset
Tue -- 08:52 AM EDT 1.27 knots Max Flood
Tue -- 11:53 AM EDT -0.00 knots Slack
Tue -- 03:03 PM EDT -1.55 knots Max Ebb
Tue -- 06:23 PM EDT 0.00 knots Slack
Tue -- 08:06 PM EDT Sunset
Tue -- 09:04 PM EDT 1.60 knots Max Flood
Tue -- 10:59 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 | 10 pm | 11 pm |
| -0.3 | -1.1 | -1.7 | -1.8 | -1.6 | -1.1 | -0.4 | 0.5 | 1.1 | 1.3 | 1.1 | 0.7 | -0.1 | -0.8 | -1.3 | -1.6 | -1.3 | -0.9 | -0.3 | 0.5 | 1.3 | 1.6 | 1.5 | 1.1 |
Weather Map and Satellite Images
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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 New York City/Upton, NY (18,4,5,8)
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Ground Weather Radar Station Upton, 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. |