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Marine Weather and Tides
Version 3.4 |
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 5:33AM | Sunset 8:16PM | Tuesday July 23, 2019 10:07 AM EDT (14:07 UTC) | Moonrise 11:57PM | Moonset 11:50AM | Illumination 60% |  |
ANZ340 Peconic And Gardiners Bays- 622 Am Edt Tue Jul 23 2019
Today..N winds 5 to 10 kt. Waves 1 ft or less. Isolated tstms this morning. Showers until late afternoon, then chance of showers late. Vsby 1 to 3 nm until late afternoon.
Tonight..NE winds around 5 kt. Waves 1 ft or less. Chance of showers.
Wed..N winds 5 to 10 kt, becoming se in the afternoon. Waves 1 ft or less.
Wed night..SW winds around 5 kt, becoming nw after midnight. Waves 1 ft or less.
Thu..N winds 5 to 10 kt, becoming S in the afternoon. Waves 1 ft or less.
Thu night..SW winds around 5 kt. Waves 1 ft or less.
Fri..N winds around 5 kt, becoming se around 5 kt in the afternoon. Waves 1 ft or less.
Fri night..S winds around 5 kt. Waves 1 ft or less.
Sat..S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 ft or less.
Sat night..SW winds 5 to 10 kt. Waves 1 ft or less. Winds and waves higher in and near tstms.
Today..N winds 5 to 10 kt. Waves 1 ft or less. Isolated tstms this morning. Showers until late afternoon, then chance of showers late. Vsby 1 to 3 nm until late afternoon.
Tonight..NE winds around 5 kt. Waves 1 ft or less. Chance of showers.
Wed..N winds 5 to 10 kt, becoming se in the afternoon. Waves 1 ft or less.
Wed night..SW winds around 5 kt, becoming nw after midnight. Waves 1 ft or less.
Thu..N winds 5 to 10 kt, becoming S in the afternoon. Waves 1 ft or less.
Thu night..SW winds around 5 kt. Waves 1 ft or less.
Fri..N winds around 5 kt, becoming se around 5 kt in the afternoon. Waves 1 ft or less.
Fri night..S winds around 5 kt. Waves 1 ft or less.
Sat..S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 ft or less.
Sat night..SW winds 5 to 10 kt. Waves 1 ft or less. Winds and waves higher in and near tstms.
ANZ300 622 Am Edt Tue Jul 23 2019
Synopsis for the long island waters and new york harbor.. Waves of low pressure will ride along a frontal boundary stalled near the area through the day today and into tonight. High pressure then builds in from the west on Wednesday, allowing the boundary to move east of the area. High pressure remains over the area through the weekend.
Synopsis for the long island waters and new york harbor.. Waves of low pressure will ride along a frontal boundary stalled near the area through the day today and into tonight. High pressure then builds in from the west on Wednesday, allowing the boundary to move east of the area. High pressure remains over the area through the weekend.
7 Day Forecast for Marine Location Near Springs, NY
Hourly EDIT Helplocation: 41.04, -72.19 debug
Area Discussion for - New York City/Upton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kokx 231126 afdokx area forecast discussion national weather service new york ny 726 am edt Tue jul 23 2019 Synopsis Waves of low pressure ride along a frontal boundary stalled near the area through the day and into tonight. High pressure builds from the west on Wednesday, allowing the boundary to move east of the area. High pressure remains over the area into the weekend. Near term until 6 pm this evening The heaviest showers this morning have produced three quarters to around an inch of rain in an hour, leading to additional flash flooding. This last batch of steady rain will continue to work through the area over the next several hours before precipitation becomes more scattered by afternoon. Only minor changes were made with this update, and the forecast appears to be on track. With precipitable water values remaining around 2 inches through this morning, the flash flood watch was extended through noon today. The watch was also extended eastward to include the remainder of the forecast area as many locations have already received 1-2 inches of rain with an additional half to one inch of rain expected. At this point the best instability remains offshore, so the majority of the precipitation should fall as heavy showers, with only isolated thunder possible. The bulk of the precipitation will come to an end late this morning as the wave exits the area, but the chance of showers will linger across the area through this afternoon with the front just offshore and an upper level trough over the region. Under plenty of cloud cover, temperatures will be below normal, with highs only rising into the mid 70s. There is a moderate risk of rip currents for the atlantic ocean beaches today, possibly becoming high this afternoon across eastern suffolk county. Short term 6 pm this evening through 6 pm Wednesday The final wave along the front passes offshore overnight, but with the front continuing to gradually shift south, the best chances for precipitation will be across long island and far southeastern connecticut. Depending on how close to the coast |
the final wave passes, patchy fog development is possible in areas where winds become light. Dry conditions return Wednesday morning as the front shifts farther offshore and high pressure builds in from the west. Under increasingly sunny skies, temperatures are expected to rise into the lower 80s. There is a low risk of rip currents at the atlantic ocean beaches on Wednesday Long term Wednesday night through Monday Strong polar upper low drops into hudson bay during the mid to late week, gradually shearing the closed low currently over northern quebec towards greenland. The associated deep eastern us troughing will slowly weaken through the week as a result, with weak upper ridging signaled for the weekend ahead of the next closed shearing eastward just north of the great lakes. At the surface, generally tranquil conditions expected, with weak and elongated high pressure sprawled across the eastern us in wake of the offshore cold front slowly drifting eastward. A gradual moderation in temps expected through the period, starting a seasonable levels with comfortable humidity mid week and rising to above seasonal with increasing humidity late week into the weekend. Aviation 11z Tuesday through Saturday Waves of low pressure will ride along a stalled frontal boundary near the area. The last batch of steady rain will continue to work through the area over the next several hours before rain becomes more scattered this afternoon. Generally widespread MVFR through the morning, with ifr conditions in any heavier shower.VFR conditions are expected to return in the middle to late part of the day. Winds remain fairly tricky initially with multiple boundaries moving across the area. Winds should generally be from the north northeast less than 10kt before turning toward a more northwesterly direction following the cold front passage. Ny metro enhanced aviation weather support... detailed information, including hourly TAF wind component forecasts, 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 |
| MTKN6 - 8510560 - Montauk, NY | 12 mi | 50 min | 70°F | 1005.7 hPa | ||||
| LDLC3 - New London Ledge CT - Ledge Light Weather | 19 mi | 43 min | N 17 G 20 | 65°F | 1007.3 hPa | 65°F | ||
| NLNC3 - 8461490 - New London, CT | 23 mi | 50 min | NNE 2.9 G 8.9 | 68°F | 1007.4 hPa | |||
| 44017 - 23 Nautical Miles Southwest of Montauk Point, NY | 25 mi | 38 min | SSW 23 G 31 | 76°F | 1005.6 hPa | 73°F |
Wind History for New London, CT
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | |
| Last 24hr | S | S | S | S | SE G9 | E | SE G12 | E G13 | E G12 | E G15 | E G11 | E G10 | E | W | -- | NE | N | NE | N | E | N G6 | N G11 | NE | N G13 |
| 1 day ago | NW G9 | W G5 | W G9 | SW G9 | SW G14 | W G16 | W G12 | SW G12 | W G12 | W G7 | W | -- | N | N | N | N G7 | N G8 | NE G4 | N G8 | -- | NW | N | N | N |
| 2 days ago | SW | S G9 | SW G10 | S | SW | SW G12 | SW G11 | W G9 | SW G7 | SW G10 | SW | SW G8 | SW G6 | SW | SW G6 | W G7 | W | N | S | SW | S | N G6 | W G8 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Montauk, Montauk Airport, NY | 15 mi | 74 min | Var 3 | mi | 69°F | 66°F | 93% | 1007.1 hPa | |
| Groton / New London, Groton / New London Airport, CT | 21 mi | 72 min | NNE 10 | 1.00 mi | Heavy Rain | 69°F | 64°F | 84% | 1006.9 hPa |
Wind History from HTO (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | |
| Last 24hr | Calm | E | SE | SE | SE | SE | E | E | SE | SE | S G32 | NE | Calm | SE | Calm | W | Calm | SW | S | Calm | Calm | W | NE | N G14 |
| 1 day ago | W | W | W | NW | W | W | SW | SW G17 | SW | SW G14 | SW | Calm | Calm | N | Calm | Calm | Calm | N | N | Calm | Calm | Calm | Calm | N |
| 2 days ago | W | W | W | W | W | S | S | SW | SW | SW | W | SW | SW G14 | W | Calm | Calm | Calm | Calm | Calm | W | Calm | Calm | W | W |
Tide / Current Tables for Threemile Harbor entrance, Gardiners Bay, Long Island, New York
EDIT Weekend mode (on/off) (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Tide / Current Tables for The Race, Long Island Sound, New York Current
EDIT (on/off) Help One Week of DataThe Race
Click for Map
Tue -- 01:08 AM EDT 2.10 knots Max Flood
Tue -- 04:17 AM EDT -0.00 knots Slack
Tue -- 05:34 AM EDT Sunrise
Tue -- 07:31 AM EDT -2.46 knots Max Ebb
Tue -- 10:37 AM EDT 0.00 knots Slack
Tue -- 11:49 AM EDT Moonset
Tue -- 01:33 PM EDT 2.27 knots Max Flood
Tue -- 04:52 PM EDT -0.00 knots Slack
Tue -- 08:01 PM EDT -2.41 knots Max Ebb
Tue -- 08:13 PM EDT Sunset
Tue -- 11:13 PM EDT 0.00 knots Slack
Tue -- 11:56 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 01:08 AM EDT 2.10 knots Max Flood
Tue -- 04:17 AM EDT -0.00 knots Slack
Tue -- 05:34 AM EDT Sunrise
Tue -- 07:31 AM EDT -2.46 knots Max Ebb
Tue -- 10:37 AM EDT 0.00 knots Slack
Tue -- 11:49 AM EDT Moonset
Tue -- 01:33 PM EDT 2.27 knots Max Flood
Tue -- 04:52 PM EDT -0.00 knots Slack
Tue -- 08:01 PM EDT -2.41 knots Max Ebb
Tue -- 08:13 PM EDT Sunset
Tue -- 11:13 PM EDT 0.00 knots Slack
Tue -- 11:56 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 |
| 1.6 | 2.1 | 1.8 | 1.2 | 0.3 | -0.7 | -1.7 | -2.4 | -2.4 | -1.7 | -0.7 | 0.4 | 1.4 | 2.2 | 2.2 | 1.6 | 0.8 | -0.1 | -1.2 | -2.1 | -2.4 | -2.1 | -1.2 | -0.2 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES Local Image of Northeast 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 (10,2,3,4)
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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. |