Thursday, December5, 2019
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Marine Weather and Tides
North Haven, NY

Version 3.4
NOTICE
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.
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 6:57AMSunset 4:20PM Thursday December 5, 2019 4:59 PM EST (21:59 UTC) Moonrise 2:16PMMoonset 1:09AM Illumination 65% Phase: Waxing Gibbous; Moon at 9 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- 327 Pm Est Thu Dec 5 2019
.small craft advisory in effect through late tonight...
Tonight..W winds 15 to 20 kt, diminishing to 10 to 15 kt late. Gusts up to 30 kt. Waves 2 to 3 ft.
Fri..SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less, then around 2 ft in the afternoon. Chance of rain in the afternoon.
Fri night..NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft.
Sat..NW winds 10 to 15 kt. Waves 1 ft or less.
Sat night..NW winds around 10 kt, becoming N after midnight. Waves 1 ft or less.
Sun..SE winds around 5 kt, becoming S in the afternoon. Waves 1 ft or less.
Sun night..S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of showers after midnight.
Mon..S winds 15 to 20 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 nm in the afternoon.
Mon night..SW winds 15 to 20 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 nm.
Tue..SW winds 15 to 20 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 nm.
Tue night..W winds around 15 kt. Waves around 2 ft. Chance of showers. Vsby 1 to 3 nm in the evening.
ANZ300 327 Pm Est Thu Dec 5 2019
Synopsis for the long island waters and new york harbor.. High pressure briefly builds into the area tonight, then gives way to weak low pressure with a cold frontal passage Friday into Friday night. High pressure builds in through the weekend. A complex frontal system will impact the area early next week bringing gusty winds and increased seas for the marine zones.


7 Day Forecast for Marine Location Near North Haven, NY
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location: 41.03, -72.27     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 052051 AFDOKX

Area Forecast Discussion National Weather Service New York NY 351 PM EST Thu Dec 5 2019

SYNOPSIS. High pressure briefly builds into the area tonight, then gives way to weak low pressure with a cold frontal passage Friday into Friday night. High pressure shifts off the east coast as winds shift south ahead of the next system. All day rain looks plausible for Monday and Tuesday next week. Dry conditions return midweek next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. Surface high pressure will briefly pass south of the forecast area tonight. As the high builds near the region, winds will gradually weaken with gusts diminishing by midnight. While the center of the high will remain south of the area, its ridge axis will extends north towards us and enter the Tri-State area towards daybreak. As as a result, expect dry weather tonight. Lows tonight will fall into the 20s and lower 30s.

SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/. The ridge of high pressure slides eastward early Friday morning, giving way to a weak low pressure system and associated cold front. This low will approach from the Great Lakes and pass north of the region during the afternoon.

This will bring chances of precipitation mainly during the afternoon and evening hours with the higher chances generally over northern and eastern areas. The precipitation, may start as a brief period of light snow, but rain should be the primary p-type. Any potential snow accumulations would be very light if any at all. The low and cold front move east of the area after 00z on Saturday, with drier and colder air working back into the region. Highs on Friday will climb into the upper 30s and 40s with Friday nights lows falling into the 20s. Sided with some of the colder guidance for Friday afternoon for afternoon highs.

LONG TERM /SATURDAY THROUGH THURSDAY/. Cold and dry weekend expected as a surface high pressure system builds into New York State beginning Saturday. This dense 1030mb airmass advects in quite cold temperatures. Daily highs will struggle to reach the upper 30s Saturday afternoon nearly 10 degrees below normal. Min temps overnight fall into the mid 20s across Long Island and into the upper teens for the Lower Hudson Valley. Temperatures do improve Sunday as the high shifts off the east coast by the afternoon allow south winds to bring in additional heat and moisture for the day. Temperatures rise to the mid 40s along with dew points in the low 40s. We'll have to keep an eye on overnight fog development Sunday night into Monday as Min temps will be hovering around those dew points.

Early next week, a shortwave trough dives south through the Dakotas deepening a low over the Great Lakes Region. As this low shifts east over the Ohio River Valley during the day, model guidance is hinting at south winds bringing scattered showers for the forecast area Monday morning becoming more widespread into the afternoon ahead of the system. There's some discrepancy in whether these are warm advection showers or typical offshore storms. Regardless, precipitable water values increase to around 1.00-1.15 inches well above the daily sounding climatology. Rain within this moist airmass could cause widespread nuisance flooding with isolated areas seeing 1-2 inches of rain through Monday evening. On Tuesday aided by a 140+ kt jet streak over the Lower Mississippi Valley the aforementioned low continues northeast into Quebec Province. Locally rain continues to fall as south winds shift southwest. Could see an additional 1-2 inches of rain Tuesday with increased rain rates as global models indicate a slow moving line of showers works its way west to east ahead of the cold front. Mild temperatures in the mid 50s will be possible both Monday and Tuesday despite the rain. West winds associated with the cold front push through midnight into Wednesday morning making drier and cooler conditions are likely through mid week.

AVIATION /20Z THURSDAY THROUGH TUESDAY/. VFR conditions as high pressure builds from the southwest. The winds gradually diminish tonight. Winds early this evening will gust at 20 to 25 kts for the city terminals. Gusts should abate for the city terminals towards 5-6z and most of the outlying terminals towards 3z.

Ceilings are expected to lower below 10kft during Friday morning ahead of an approaching cold front, but VFR conditions will continue to prevail through the morning.

OUTLOOK FOR 18Z FRIDAY THROUGH TUESDAY. Friday Afternoon. Chance of MVFR conds mainly N and NE of the NYC metros, with a brief rain and/or snow shower possible. Otherwise mainly VFR. SW to S winds G20kt. Friday night . VFR with NW winds G20kt. Saturday. VFR. NW winds G20kt in the morning. Sunday. VFR. Sunday night and Monday. Rain showers likely with MVFR conds. Tuesday. Sub VFR likely in rain, with conditions improving at night.

MARINE. Small craft conditions continue for all waters with a gusty WNW wind. Expect some occasional gusts to gale force early this evening. Winds subside tonight with advisory level conditions gradually diminishing, but ending the latest over the ocean and easternmost non-ocean waters. A relatively tranquil period follows for Friday morning, but SCA conds could enter the ocean waters by day's end and become more likely at night. There could even be some gusts to 25 kt over the eastern Sound and Bays late Friday night.

Winds will remain below small craft levels over the weekend. South winds increase to 23-28 mph nearing SCA conditions Monday morning through the afternoon. Seas increase 6-9 feet by the afternoon associated with a complex system over the marine zones beginning early next week. As the system leaves the area early Wednesday winds shift westerly but maintain strength through mid week.

HYDROLOGY. No significant liquid equivalent is forecast through Sunday. A significant long duration rainfall event is possible beginning Monday through Tuesday night.

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

The KOKX WSR-88D radar will be out of service until approximately 12/7 due to the refurbishment of the transmitter. This work is part of the NEXRAD Service Life Extension Program.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until midnight EST tonight for ANZ335-338- 345. Small Craft Advisory until 6 AM EST Friday for ANZ330-340-350- 353-355.

SYNOPSIS . BC/DJ/16 NEAR TERM . BC SHORT TERM . BC LONG TERM . DJ/16 AVIATION . JE MARINE . BC/DJ/16 HYDROLOGY . BC/DJ/16 EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MTKN6 - 8510560 - Montauk, NY 17 mi60 min 41°F 46°F1008.6 hPa (+3.1)
LDLC3 - New London Ledge CT - Ledge Light Weather 22 mi45 min WNW 12 G 15 40°F 1006.4 hPa23°F
NLNC3 - 8461490 - New London, CT 25 mi60 min NW 5.1 G 8.9 40°F 49°F1008.1 hPa (+2.9)
NWHC3 - 8465705 - New Haven, CT 38 mi60 min WNW 12 G 16 40°F 41°F1009 hPa (+3.0)
44069 49 mi60 min WNW 18 G 21 40°F 38°F25°F
BRHC3 - 8467150 - Bridgeport, CT 49 mi66 min NW 7 G 12 40°F 45°F1009.2 hPa

Wind History for New London, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Montauk, Montauk Airport, NY19 mi3.1 hrsWNW 11 G 18 mi42°F28°F60%1005.9 hPa
The Gabreski Airport, NY23 mi67 minWNW 10 G 1910.00 miOvercast40°F19°F45%1010 hPa
Groton / New London, Groton / New London Airport, CT24 mi64 minW 1010.00 miFair36°F21°F55%1008 hPa

Link to 5 minute data for KMTP

Wind History from MTP (wind in knots)
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Last 24hrW7------W6W7--------W7W6W5--W9
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Tide / Current Tables for Cedar Point, Long Island Sound, New York
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Cedar Point
Click for Map
Thu -- 12:09 AM EST     Moonset
Thu -- 05:01 AM EST     2.35 feet High Tide
Thu -- 06:58 AM EST     Sunrise
Thu -- 11:04 AM EST     0.58 feet Low Tide
Thu -- 01:15 PM EST     Moonrise
Thu -- 04:20 PM EST     Sunset
Thu -- 05:10 PM EST     2.14 feet High Tide
Thu -- 11:18 PM EST     0.36 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.71.21.61.92.22.32.221.71.30.80.60.71.11.41.722.12.11.81.51.20.70.4

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Thu -- 12:10 AM EST     Moonset
Thu -- 12:38 AM EST     1.04 knots Max Flood
Thu -- 03:45 AM EST     -0.00 knots Slack
Thu -- 06:58 AM EST     Sunrise
Thu -- 07:02 AM EST     -1.13 knots Max Ebb
Thu -- 10:33 AM EST     0.00 knots Slack
Thu -- 12:49 PM EST     1.00 knots Max Flood
Thu -- 01:16 PM EST     Moonrise
Thu -- 03:59 PM EST     -0.00 knots Slack
Thu -- 04:22 PM EST     Sunset
Thu -- 07:24 PM EST     -1.30 knots Max Ebb
Thu -- 10:59 PM EST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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110.90.5-0.1-0.6-1-1.1-1-0.8-0.40.30.910.90.6-0-0.6-1-1.3-1.2-1-0.60

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 (16,3,4,5)
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Ground Weather Radar Station Upton, NY
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