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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 6:06AM | Sunset 7:34PM | Sunday August 25, 2019 11:18 AM EDT (15:18 UTC) | Moonrise 12:40AM | Moonset 3:52PM | Illumination 24% |  |
ANZ340 Peconic And Gardiners Bays- 1002 Am Edt Sun Aug 25 2019
Today..NE winds 15 to 20 kt with occasional gusts up to 25 kt. Waves around 2 ft. Slight chance of showers or drizzle late this morning. Chance of showers or drizzle early this afternoon, then slight chance of showers or drizzle late.
Tonight..NE winds 15 to 20 kt with occasional gusts up to 25 kt. Waves around 2 ft.
Mon..NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Mon night..E winds around 10 kt. Waves 1 ft or less.
Tue..E winds around 10 kt. Waves 1 ft or less.
Tue night..E winds around 5 kt. Waves 1 ft or less.
Wed..E winds around 5 kt. Waves 1 ft or less.
Wed night..SE winds around 5 kt in the evening, becoming light and variable. Waves 1 ft or less. Chance of showers after midnight.
Thu..Light and variable winds, becoming W around 5 kt in the afternoon. Waves 1 ft or less.
Thu night..W winds around 5 kt. Waves 1 ft or less.
Today..NE winds 15 to 20 kt with occasional gusts up to 25 kt. Waves around 2 ft. Slight chance of showers or drizzle late this morning. Chance of showers or drizzle early this afternoon, then slight chance of showers or drizzle late.
Tonight..NE winds 15 to 20 kt with occasional gusts up to 25 kt. Waves around 2 ft.
Mon..NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Mon night..E winds around 10 kt. Waves 1 ft or less.
Tue..E winds around 10 kt. Waves 1 ft or less.
Tue night..E winds around 5 kt. Waves 1 ft or less.
Wed..E winds around 5 kt. Waves 1 ft or less.
Wed night..SE winds around 5 kt in the evening, becoming light and variable. Waves 1 ft or less. Chance of showers after midnight.
Thu..Light and variable winds, becoming W around 5 kt in the afternoon. Waves 1 ft or less.
Thu night..W winds around 5 kt. Waves 1 ft or less.
ANZ300 1002 Am Edt Sun Aug 25 2019
Synopsis for the long island waters and new york harbor.. High pressure builds to the north before drifting east during the first half of the work week. A cold front approaches Wednesday and passes through the waters Thursday.
Synopsis for the long island waters and new york harbor.. High pressure builds to the north before drifting east during the first half of the work week. A cold front approaches Wednesday and passes through the waters Thursday.
7 Day Forecast for Marine Location Near Northwest Harbor, NY
Hourly EDIT Helplocation: 41.05, -72.22 debug
Area Discussion for - New York City/Upton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kokx 251437 afdokx area forecast discussion national weather service new york ny 1037 am edt Sun aug 25 2019 Synopsis High pressure builds to the north before drifting east during the first half of the work week. A cold front approaches Wednesday and passes through the region Thursday. Another cold front passes through late Friday into Saturday. High pressure returns late Saturday. Near term until 6 pm this evening Just minor updates to temperatures, dewpoints and cloud coverage with this morning update. Otherwise, forecast remains on track. Clouds have been slow to develop and advect into the area so far late this morning. Still thinking that skies will become mostly cloudy for a period across coastal areas this afternoon, but may have several hours of partly to mostly sunny skies first this morning. In addition to the clouds, persistent east to northeast flow will result in a chance of light rain or drizzle today, primarily across coastal areas. Precipitation amounts are expected to remain light, with only a few hundredths of an inch of rain at most. Across the interior, conditions are expected to remain dry despite an increase in clouds. Afternoon highs will remain several degrees below normal, in the mid 70s. There is a high risk of rip current development at atlantic ocean beaches today. Short term 6 pm this evening through 6 pm Monday While any lingering light rain drizzle comes to an end tonight, low level moisture will linger into at least Monday morning as easterly flow continues with high pressure remaining north of the region. This will lead to continued mostly cloudy conditions along the coast before more sunshine returns by Monday afternoon. Temperatures on Monday will remain below normal, with highs once again only topping out in the mid 70s. There is a high risk of rip current development at atlantic ocean beaches on Monday. Long term Monday night through Saturday Ridging along the east coast of the united states to start the period will drift into the western atlantic by Tuesday as a longwave trough from near alaska digs into the northern plains and upper midwest. This longwave trough will send a couple of cold fronts through the region Thursday and Friday. The strongest front will be late Wednesday night into Thursday. The upper trough weakens Thursday with the flow becoming more zonal during Friday when another, and weaker, cold front crosses the region. The area will remain dry on Tuesday as high pressure remains in control, with only an increase in high clouds ahead of the cold front traversing the great lakes. With the front Wednesday into Thursday both CAPE and instability will be limited, so will have showers with only isolated thunder possible. There are some timing differences in the timing of the frontal passage, but sided with the faster guidance. Another weak cold front passes through Friday into early Saturday with just a slight chance of showers as there will be little moisture or forcing with the front. With the upper trough weakening have slowed the timing of this second front. After temperatures a few degrees below normal on Tuesday, near normal temperatures are expected through the remainder of the long term period, with highs generally in the low to mid 80s and overnight lows falling into the 60s. |
Aviation 15z Sunday through Thursday High pressure builds over new england through Monday. Ne winds 10-15 kt today. Gusts up to 20 kt are likely for all terminals except kswf. Gusts end this evening with NE winds around 10 kt overnight into Monday morning. MainlyVFR through this evening. Patchy MVFR possible through 17z with ceilings around 2500 ft at times. There is also a chance of some sprinkles or pockets of light rain near the coast today. MVFR ceilings likely develop early Monday morning. Outlook for 12z Monday through Thursday Mon MVFR possible early, thenVFR. Tue Vfr. Wed MVFR or lower possible in showers and isolated thunderstorms. Thu MainlyVFR. Morning showers possible. Marine A small craft advisory is in effect for the ocean waters through Monday as strong northeasterly flow will result in winds gusting to 25 to 30 kt and seas building to 4 to 6 feet. While winds will gradually diminish during the day on Monday, seas will likely remain elevated into Monday night. The flow the weakens into midweek as high pressure retreats off the new england coast and a cold front approaches. With the approach of the front winds also gradually shift to the southeast and south. Sub sca conditions are expected by Tuesday and continuing into Thursday. Hydrology No hydrologic impacts are anticipated through the end of the week. Tides coastal flooding A prolonged period of easterly flow will gradually increase tide levels into mid week. Localized minor coastal flooding is possible with Monday evening high tides along the south shore back bays of queens and nassau counties, with the threat of at least isolated minor coastal flooding continuing during the evening high tide cycles through the mid week period. Equipment Nyc NOAA weather radio station kwo35 (162.55 mhz) remains off the air. Okx watches warnings advisories Ct... None. Ny... High rip current risk until 8 pm edt this evening for nyz075- 080-081-178-179. Nj... None. Marine... Small craft advisory until 6 pm edt Monday for anz350-353-355. Synopsis... Fig met near term... Fig short term... Fig long term... Fig met aviation... marine... Fig met hydrology... Fig met tides coastal flooding... equipment... |
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 | 14 mi | 48 min | 67°F | 70°F | 1025.1 hPa | |||
| LDLC3 - New London Ledge CT - Ledge Light Weather | 19 mi | 33 min | NE 11 G 17 | 68°F | 1023.1 hPa | 56°F | ||
| NLNC3 - 8461490 - New London, CT | 23 mi | 48 min | NE 7 G 9.9 | 68°F | 70°F | 1025.2 hPa | ||
| NWHC3 - 8465705 - New Haven, CT | 40 mi | 48 min | NE 9.9 G 17 | 69°F | 73°F | 1024.8 hPa |
Wind History for New London, CT
(wind in knots) EDIT (on/off) Help| 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 | NE G6 | NE G7 | N G7 | S G10 | S | S G11 | S G8 | S G11 | SE | SE | NE G7 | NE | NE | NE | N G5 | NE G6 | N G5 | NE G7 | NE G6 | N G7 | N G7 | N G8 | N G9 | NE G10 |
| 1 day ago | SW | N | N | N | N G5 | NW | NW G6 | NW | N | NW | NW | N | N G8 | N G7 | N | N G10 | N G12 | N G8 | N G10 | N G9 | N G11 | N G8 | N G7 | N G6 |
| 2 days ago | S | S G11 | SW G13 | SW G13 | SW G11 | SW G11 | SW G14 | SW G11 | N | N | -- | SW | NW | W G7 | SW | N | NW | N G10 | N G8 | N G8 | NW G6 | NW G5 | NW | 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 |
| Montauk, Montauk Airport, NY | 16 mi | 84 min | NE 9 G 16 | mi | 69°F | 59°F | 70% | 1025.2 hPa | |
| Groton / New London, Groton / New London Airport, CT | 21 mi | 82 min | NE 14 G 20 | 10.00 mi | Partly Cloudy | 72°F | 55°F | 57% | 1025.2 hPa |
Link to 5 minute data for KMTP
Wind History from MTP (wind in knots)
| 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 | 11 AM | |
| Last 24hr | NE | NE | E | NE | NE | NE | E | NE | NE | NE | NE | NE | NE G15 | NE | NE G18 | NE G16 | NE G17 | |||||||
| 1 day ago | Calm | N | NW | NW | W | Calm | NW | NW | NW | Calm | NW | NW | N | N | NE | N G18 | N G17 | N G16 | N G15 | N | N | N | NE | |
| 2 days ago | Calm | SW | W | SW | SW | SW | SW | W | SW | SW | W | NW | W | NW | Calm | N | N | N | N | N | N | N |
Tide / Current Tables for Threemile Harbor entrance, Gardiners Bay, Long Island Sound, New York
EDIT Weekend mode (on/off) (on/off) Help One Week of DataThreemile Harbor entrance
Click for Map
Sun -- 12:39 AM EDT Moonrise
Sun -- 05:42 AM EDT 2.13 feet High Tide
Sun -- 06:08 AM EDT Sunrise
Sun -- 11:49 AM EDT 0.67 feet Low Tide
Sun -- 03:51 PM EDT Moonset
Sun -- 06:02 PM EDT 2.87 feet High Tide
Sun -- 07:32 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:39 AM EDT Moonrise
Sun -- 05:42 AM EDT 2.13 feet High Tide
Sun -- 06:08 AM EDT Sunrise
Sun -- 11:49 AM EDT 0.67 feet Low Tide
Sun -- 03:51 PM EDT Moonset
Sun -- 06:02 PM EDT 2.87 feet High Tide
Sun -- 07:32 PM EDT Sunset
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 |
| 0.5 | 0.7 | 1.2 | 1.6 | 1.9 | 2.1 | 2.1 | 1.9 | 1.6 | 1.3 | 1 | 0.8 | 0.7 | 0.9 | 1.4 | 2 | 2.5 | 2.8 | 2.9 | 2.7 | 2.3 | 1.8 | 1.3 | 0.9 |
Tide / Current Tables for The Race, Long Island Sound, New York Current
EDIT (on/off) Help One Week of DataThe Race
Click for Map
Sun -- 12:38 AM EDT Moonrise
Sun -- 01:29 AM EDT 0.00 knots Slack
Sun -- 04:12 AM EDT 2.03 knots Max Flood
Sun -- 06:07 AM EDT Sunrise
Sun -- 07:30 AM EDT -0.00 knots Slack
Sun -- 10:33 AM EDT -2.24 knots Max Ebb
Sun -- 01:32 PM EDT 0.00 knots Slack
Sun -- 03:51 PM EDT Moonset
Sun -- 04:33 PM EDT 2.38 knots Max Flood
Sun -- 07:32 PM EDT Sunset
Sun -- 07:51 PM EDT -0.00 knots Slack
Sun -- 11:07 PM EDT -2.85 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:38 AM EDT Moonrise
Sun -- 01:29 AM EDT 0.00 knots Slack
Sun -- 04:12 AM EDT 2.03 knots Max Flood
Sun -- 06:07 AM EDT Sunrise
Sun -- 07:30 AM EDT -0.00 knots Slack
Sun -- 10:33 AM EDT -2.24 knots Max Ebb
Sun -- 01:32 PM EDT 0.00 knots Slack
Sun -- 03:51 PM EDT Moonset
Sun -- 04:33 PM EDT 2.38 knots Max Flood
Sun -- 07:32 PM EDT Sunset
Sun -- 07:51 PM EDT -0.00 knots Slack
Sun -- 11:07 PM EDT -2.85 knots Max Ebb
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 |
| -1.5 | -0.5 | 0.6 | 1.5 | 2 | 1.8 | 1.2 | 0.5 | -0.5 | -1.5 | -2.1 | -2.2 | -1.6 | -0.6 | 0.5 | 1.5 | 2.3 | 2.3 | 1.7 | 0.9 | -0.2 | -1.4 | -2.4 | -2.8 |
Weather 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 New York City/Upton, NY (11,2,3,4)
(on/off) Help
Ground Weather Radar Station Upton, 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. |