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Marine Weather and Tides
Version 3.4 |
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues. 6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. |
| Sunrise 6:00AM | Sunset 7:38PM | Friday April 20, 2018 4:23 PM EDT (20:23 UTC) | Moonrise 9:39AM | Moonset 12:00AM | Illumination 29% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ330 Long Island Sound East Of New Haven Ct/port Jefferson Ny- 324 Pm Edt Fri Apr 20 2018 Tonight..NW winds 10 to 15 kt. Seas 1 ft or less. Sat..NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Sat night..N winds 5 to 10 kt. Seas 1 ft or less. Sun..NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Sun night..W winds 5 to 10 kt, becoming nw after midnight. Seas 1 ft or less. Mon..N winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Mon night..S winds 5 to 10 kt, becoming sw after midnight. Seas 1 ft or less. Tue..S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 ft or less. Tue night..SE winds 5 to 10 kt. Seas 1 ft or less. Chance of rain after midnight. Wed..E winds 10 to 15 kt. Seas around 2 ft. Rain likely. Wed night..E winds 10 to 15 kt, becoming ne 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 ft or less. Rain likely, mainly in the evening. | ANZ300 324 Pm Edt Fri Apr 20 2018 Synopsis for the long island waters and new york harbor.. High pressure builds in from the west through tonight and remains over the waters through Monday. A coastal low approaches from the southeastern seaboard Tuesday, and moves through Wednesday, and to the northeast of the area Thursday. |
7 Day Forecast for Marine Location Near Moodus, CT
Hourly EDIT Helplocation: 41.47, -72.44 debug
Area Discussion for - New York City/Upton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kokx 201957 afdokx area forecast discussion national weather service new york ny 357 pm edt Fri apr 20 2018 Synopsis High pressure builds in from the west through tonight, then remains over the region into Monday. A coastal low will likely affect the region the middle of next week. Near term until 6 am Saturday morning An upper longwave trough along the eastern canadian coast and extending into the northeast remains through tonight with a northwest cyclonic flow. Meanwhile surface low pressure along the canadian coast tracks northeast as high pressure builds to the west. The atmosphere will remain dry and cloud-free tonight. Winds will be diminishing, and likely decouple late tonight. This will allow for good radiational cooling with clear conditions. Inland areas will likely see patchy to areas of frost and included in the weather forecast. However, the spring frost freeze program has not begun across these areas. Short term 6 am Saturday morning through Saturday night The upper trough remains across the northeast through Saturday night as the center of the surface high builds into the northeast. The weather will remain quiet and cloud free. Cyclonic flow and weak cold advection continue through Saturday night, however, the airmass will be modifying under full sun, and highs Saturday will be approaching normal levels. Saturday night will be cloud-free with light winds and again there will be ideal radiational cool conditions. So, expect areas and patchy frost inland. Long term Sunday through Friday Upper air pattern will very much resemble early springtime as an upper low over the mississippi valley slowly works east on the heels of a departing northern branch trough over the northeast. Ridging both aloft and at the surface builds across the region to start the week but then gives way to the aforementioned southern branch close low. The system will lift |
northward in response to a northern branch shortwave trough moving into the upper midwest and great lakes, sending surface low pressure up the eastern seaboard Tuesday into Wednesday. Overrunning rains are forecast to develop across the area Tuesday night and continue into Wednesday night. There are some differences thereafter though with the global models as the ecwmf is more progressive with this system and dries things out for the end of week, while the GFS and ggem close off the northern branch trough with unsettled conditions lingering until a cold frontal passage Friday night. Thus, will maintain a low chance of showers for the end of the week. The point to be made here there is clearly uncertainty in the guidance for the end of the week as northern branch shortwave energy dives southeast across the upper midwest and great lakes region. However, all the global models are pointing to amplification of the ridge out west and the trough reestablishing itself across the east by next weekend. As for temperatures, much of the period will feature seasonable temperatures with the exception of Wednesday, where onshore flow will keep highs several degrees below normal. Aviation 20z Friday through Wednesday High pressure builds in from the west tonight through Saturday morning, before settling over the region into Saturday afternoon and evening. Vfr through the TAF period. Winds abate this evening, with speeds decreasing to around 10kt. City and coastal terminals will lose their gusts shortly after 0z, with inland terminals a few hours sooner. Winds will range around 10 kts late Saturday morning and afternoon. Wind direction will start off NW on Saturday, before becoming more westerly towards the early afternoon for the city terminals and some coastal terminals. 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 |
| NLNC3 - 8461490 - New London, CT | 20 mi | 54 min | N 6 G 14 | 53°F | 44°F | 1019 hPa | ||
| LDLC3 - New London Ledge CT - Ledge Light Weather | 22 mi | 44 min | NW 18 G 25 | 50°F | 24°F | |||
| 44039 - Central Long Island Sound | 26 mi | 39 min | WNW 14 G 16 | 46°F | 2 ft | |||
| NWHC3 - 8465705 - New Haven, CT | 28 mi | 54 min | N 14 G 21 | 48°F | 45°F | 1020.7 hPa | ||
| MTKN6 - 8510560 - Montauk, NY | 39 mi | 54 min | 45°F | 44°F | 1019.6 hPa | |||
| BRHC3 - 8467150 - Bridgeport, CT | 44 mi | 54 min | N 8 G 14 | 50°F | 42°F | 1020.5 hPa |
Wind History for New London, CT
(wind in knots) EDIT (on/off) Help| 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 | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | |
| Last 24hr | N G10 | NW | N G10 | NW G8 | NW G8 | NW G11 | NW G13 | NW G11 | NW G5 | NW G10 | NW G11 | NW G7 | NW G11 | NW G8 | N G8 | N G14 | NW G14 | N | N G11 | NW G14 | N G12 | N G19 | NW G13 | NW G11 |
| 1 day ago | SW G17 | SW G22 | SW G12 | W | W | W G4 | SW G6 | SW | N | N | N | -- | -- | NW | N | N | N G10 | N G10 | NE G7 | N G6 | N | N | NW G8 | NW G9 |
| 2 days ago | SW G14 | W G9 | W G16 | NW G12 | W G14 | W G6 | W G11 | W G7 | W G10 | W | SW | W | W G10 | W G7 | W G7 | W G11 | W G11 | NW G15 | W G16 | NW G12 | W G12 | NW G13 | W G15 | SW G17 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Chester, Chester Airport, CT | 7 mi | 29 min | NNW 11 G 26 | 10.00 mi | Fair | 52°F | 24°F | 35% | 1019.6 hPa |
| Meriden, Meriden Markham Municipal Airport, CT | 21 mi | 31 min | NNW 11 | 10.00 mi | Mostly Cloudy | 50°F | 26°F | 39% | 1020.6 hPa |
| Hartford, Hartford-Brainard Airport, CT | 21 mi | 31 min | NNW 13 G 21 | 10.00 mi | Partly Cloudy | 52°F | 27°F | 38% | 1020.5 hPa |
| Groton / New London, Groton / New London Airport, CT | 23 mi | 28 min | WNW 10 G 20 | 10.00 mi | A Few Clouds | 53°F | 27°F | 37% | 1019 hPa |
| Willimantic, Windham Airport, CT | 24 mi | 32 min | NNW 13 G 21 | 10.00 mi | Mostly Cloudy | 52°F | 26°F | 37% | 1019.5 hPa |
Wind History from SNC (wind in knots)
| 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | -12 PM | 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 | |
| Last 24hr | NW G16 | W G13 | NW G19 | NW G20 | NW G17 | NW | NW G19 | NW G17 | NW G16 | NW G17 | NW | NW G15 | NW | NW G18 | NW G22 | NW G25 | NW G23 | NW G20 | NW G22 | N G21 | N G20 | NW G21 | NW G17 | |
| 1 day ago | W | SW G17 | SW | W | NW | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NW | Calm | Calm | Calm | N | N | N | N | NW | N | NW G12 | |
| 2 days ago | W G18 | W G14 | NW G12 | W | W | G15 | W G10 | W | W | W | W | W | SW | W | SW G13 | W G15 | NW G12 | G18 | G15 | NW G18 | W | NW | W G15 |
Tide / Current Tables for East Haddam, Connecticut
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| East Haddam Click for Map Fri -- 03:39 AM EDT 3.77 feet High Tide Fri -- 06:02 AM EDT Sunrise Fri -- 09:39 AM EDT Moonrise Fri -- 10:50 AM EDT -0.11 feet Low Tide Fri -- 04:21 PM EDT 2.86 feet High Tide Fri -- 07:35 PM EDT Sunset Fri -- 10:55 PM EDT 0.40 feet Low Tide Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 1.4 | 2.4 | 3.2 | 3.7 | 3.7 | 3.4 | 2.7 | 1.9 | 1.1 | 0.5 | 0.1 | -0.1 | 0.3 | 1.1 | 1.9 | 2.5 | 2.8 | 2.8 | 2.4 | 1.8 | 1.3 | 0.9 | 0.5 | 0.4 |
Tide / Current Tables for Higganum Creek, Connecticut River, Connecticut
EDIT (on/off) Help One Week of Data| Higganum Creek Click for MapNote: Tidal information only applies during low river stages. Fri -- 04:07 AM EDT 2.99 feet High Tide Fri -- 06:02 AM EDT Sunrise Fri -- 09:39 AM EDT Moonrise Fri -- 11:41 AM EDT -0.17 feet Low Tide Fri -- 04:45 PM EDT 2.32 feet High Tide Fri -- 07:36 PM EDT Sunset Fri -- 11:44 PM EDT 0.26 feet Low Tide Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0.6 | 1.4 | 2.2 | 2.8 | 3 | 2.9 | 2.5 | 2 | 1.4 | 0.9 | 0.3 | -0.1 | -0.1 | 0.3 | 1.1 | 1.8 | 2.2 | 2.3 | 2.1 | 1.8 | 1.3 | 0.9 | 0.6 | 0.3 |
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 (16,3,4,5)
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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. |