Saturday, January25, 2020
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Marine Weather and Tides
New London, CT

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:04AMSunset 4:56PM Saturday January 25, 2020 9:53 PM EST (02:53 UTC) Moonrise 8:48AMMoonset 6:42PM Illumination 1% Phase: Waxing Crescent; Moon at 1 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ340 Peconic And Gardiners Bays- 700 Pm Est Sat Jan 25 2020
.small craft advisory in effect until 9 pm est this evening...
Tonight..SE winds 15 to 20 kt with gusts up to 30 kt and occasionally up to 35 kt, becoming W 10 to 15 kt with gusts up to 20 kt late this evening and overnight. Waves around 2 ft. Rain early this evening, then chance of rain late this evening. Vsby 1 to 3 nm early this evening.
Sun..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Sun night..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Mon..W winds around 15 kt with gusts up to 20 kt. Waves around 2 ft.
Mon night..NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft in the evening, then 1 ft or less.
Tue..NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less.
Tue night..NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less.
Wed..NW winds 5 to 10 kt. Waves 1 ft or less.
Wed night..N winds 5 to 10 kt. Waves 1 ft or less.
Thu..NE winds 5 to 10 kt. Waves 1 ft or less.
Thu night..N winds around 5 kt. Waves 1 ft or less.
ANZ300 700 Pm Est Sat Jan 25 2020
Synopsis for the long island waters and new york harbor.. Low pressure shifts northeast out of the region tonight and strengthens as it lifts northeast into the canadian maritimes on Sunday. High pressure then gradually builds in from the west through next week.


7 Day Forecast for Marine Location Near New London, CT
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location: 41.26, -72.11     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 252353 AFDOKX

Area Forecast Discussion National Weather Service New York NY 653 PM EST Sat Jan 25 2020

SYNOPSIS. Low pressure shifts northeast out the region tonight and strengthens as it lifts northeast into the Canadian Maritimes on Sunday. High pressure will gradually build in from the north and west Monday night through Friday. High pressure weakens Friday night and shifts east of the region Friday night into next weekend. An area of low pressure will approach for next weekend.

NEAR TERM /UNTIL 6 AM SUNDAY MORNING/. Made some slight adjustments to temperatures, dewpoints and POPs for rain this evening. Moderate to heavy rain mainly confined to Twin Forks of Long Island and Southeast Connecticut with wind gusts at times to 30 to 35 mph there as well. Rain becoming more light and scattered in areal coverage for Southwest Connecticut and Western Suffolk County on Long Island. Most rain is expected to move east of the entire forecast region before 9 PM.

Rain will continue to shift east out of the local area this evening as low pressure exits to the northeast. Mid and upper levels dry out significantly for the overnight hours with primarily NVA. Therefore expecting dry conditions once rain exits east this evening. Low temperatures will be above normal.

SHORT TERM /6 AM SUNDAY MORNING THROUGH MONDAY/. Cyclonic flow remains aloft with an upper low to our north Sunday. low-mid level moisture returns from the NW on Sunday, but with the best lift outrunning this moisture. Cannot rule out a rain or mixed rain/snow shower across NW Orange county late morning to early afternoon. Dry weather elsewhere with high temperatures above normal.

Surface high pressure will have a tough time building in Sunday night into Monday as the cyclonic flow aloft persists. Looks like more in the way of cloud cover versus Sunday, but likely still dry through the day. High temperatures still above normal, but probably a couple of degrees cooler than on Sunday.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. Aloft, in the mid levels, passing shortwaves in a west to northwest flow will be weakening with ridging Thursday through Friday. At the surface, the local region will be in between a low pressure trough in the Western Atlantic and a strengthening area of high pressure in South Central Canada Monday night. This high pressure area will gradually build in from the north and west through Friday. Ridging and high pressure weaken Friday night.

Weather will remain dry through Friday with temperatures near to slightly above normal. The NW winds Monday night with enough of a pressure gradient will keep winds steady and prevent ideal radiational cooling. The NW winds will be decreasing going into mid to late in the week as the high center moves closer to the area with a likewise decrease in the pressure gradient. This will allow for temperatures at night to reflect closer to ideal radiational cooling conditions allowing for more of vast range between outlying rural locations and urban areas for temperatures.

For next weekend, a large upper level low will be approaching the region. At the surface, high pressure will be shifting to the east of the region with an approaching developing offshore low pressure system. There will be chances for rain and snow. A lot of uncertainty being a week away though with a large difference in model depictions of low pressure strength, speed, and location.

AVIATION /00Z SUNDAY THROUGH THURSDAY/. Isolated IFR conditions across NYC Metro terminals will continue to improve to MVFR by this evening then VFR conditions expected after 03Z tonight though clouds hover around 5kft.

Easterly winds of up to 20 kt and gusts between 25 to 30 kt could linger until midnight for the eastern TAF sites. Metro TAFs have already switched out of the southwest 5-10kts. Winds are expected to slowly diminish overnight.

Winds shift towards the west tonight remaining westerly through the forecast with gusts 15-20 kts in the afternoon and VFR conditions.

OUTLOOK FOR 18Z SUNDAY THROUGH WEDNESDAY. Sunday. MVFR/IFR possible in lingering showers. Rain or snow showers possible across the interior. Monday-Wednesday. VFR. Thursday. VFR.

MARINE. Winds shift westerly tonight and for Sunday on the backside of low pressure. SCA conds expected on the ocean waters all the way through Sunday night, and will probably be needed to be extended through Monday as well with gusts still around 25 kt and waves still at least 5 ft by that time. For the remaining waters, SCA remains until 8 PM tonight for South Shore Bays and until 9 PM tonight for Eastern Long Island Sound and Eastern Long Island Bays as low pressure and low level jet exit east this evening. Winds then subside for a time tonight before increasing again from the west late tonight into Sunday. Gusts here should however remain below 25 kt.

Low end SCA level wind gusts and seas are forecast on the ocean Monday night. Otherwise, the marine long term period from Monday night through Thursday night is expected to be below SCA overall.

HYDROLOGY. Additional rain amounts of up a half to three-quarters of an inches are expected into this evening, mainly across the Twin Forks of Long Island and Southeast Connecticut. Only low chances of minor nuisance flooding remains with this rain event. No hydrologic impacts are anticipated thereafter through Friday night.

TIDES/COASTAL FLOODING. Based on the latest obs and guidance, it's likely that all locations fall short of minor flooding benchmarks with during tonight's high tide cycle. Astronomical tides will be lower with this cycle, and winds will be shifting westerly. The only area that might approach minor benchmarks appears to be along the westernmost areas of Long Island sound. Not enough confidence at this time to go with a statement for this area.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is still operating at reduced power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 9 PM EST this evening for ANZ330- 340. Small Craft Advisory until 6 AM EST Monday for ANZ350-353-355. Small Craft Advisory until 8 PM EST this evening for ANZ345.

SYNOPSIS . JC/JM NEAR TERM . JC/JM SHORT TERM . JC LONG TERM . JM AVIATION . Fig MARINE . JC/JM HYDROLOGY . JC/JM TIDES/COASTAL FLOODING . EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LDLC3 - New London Ledge CT - Ledge Light Weather 4 mi178 min E 25 G 28 45°F 1003.4 hPa44°F
NLNC3 - 8461490 - New London, CT 7 mi53 min S 9.9 G 15 46°F 42°F1006.2 hPa (-2.0)
MTKN6 - 8510560 - Montauk, NY 17 mi53 min 49°F 40°F1007.1 hPa (-1.1)
NWHC3 - 8465705 - New Haven, CT 42 mi53 min SSE 2.9 G 4.1 44°F 39°F1006.1 hPa (-1.2)
QPTR1 - 8454049 - Quonset Point, RI 44 mi59 min SE 26 G 32 49°F 38°F1006.4 hPa
NWPR1 - 8452660 - Newport, RI 45 mi53 min ESE 16 G 25 47°F 37°F1006.6 hPa (-3.9)
NAXR1 - Narragansett Bay Reserve, RI 48 mi68 min SSE 13 50°F 1007 hPa50°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 48 mi53 min SE 12 G 22 51°F 1006.8 hPa (-4.6)
PRUR1 49 mi53 min 49°F 48°F

Wind History for New London, CT
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Groton / New London, Groton / New London Airport, CT6 mi2 hrsSE 19 G 265.00 miLight Rain Fog/Mist and Breezy48°F48°F100%1006.4 hPa
Montauk, Montauk Airport, NY16 mi59 minSW 7 G 15 mi49°F48°F97%1007.2 hPa
Westerly, Westerly State Airport, RI18 mi60 minSSE 13 G 265.00 miLight Rain Fog/Mist52°F48°F86%1007.1 hPa
Chester, Chester Airport, CT23 mi58 minVar 60.50 miFog48°F48°F100%1006.4 hPa

Link to 5 minute data for KGON

Wind History from GON (wind in knots)
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1 day agoN3CalmN3CalmCalmCalmCalmN4NE3CalmN6N6N4CalmS5SE6SE5SE5SE7E11E9E8NE3NE6
2 days agoCalmN3N3CalmNW3CalmCalmN3CalmN5N3CalmCalmSW5SW8SW9SW12W7SW5SW4CalmW4CalmCalm

Tide / Current Tables for Little Gull Island, Long Island, New York
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for The Race, Long Island Sound, New York Current
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The Race
Click for Map
Sat -- 02:25 AM EST     -2.89 knots Max Ebb
Sat -- 05:34 AM EST     0.00 knots Slack
Sat -- 07:05 AM EST     Sunrise
Sat -- 07:47 AM EST     Moonrise
Sat -- 08:27 AM EST     2.81 knots Max Flood
Sat -- 11:42 AM EST     -0.00 knots Slack
Sat -- 02:46 PM EST     -3.38 knots Max Ebb
Sat -- 04:55 PM EST     Sunset
Sat -- 05:42 PM EST     Moonset
Sat -- 06:09 PM EST     0.01 knots Slack
Sat -- 08:58 PM EST     2.74 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.7-2-2.8-2.8-2-0.80.622.72.72.11-0.5-2-3.1-3.4-2.8-1.7-0.21.32.42.72.41.6

Weather Map
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wmap_A
GEOS 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 (21,6,7,8)
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Ground Weather Radar Station Upton, NY
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weather_mapweather_map weather_map

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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 numerous 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.