Saturday, January18, 2020
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Marine Weather and Tides
Cove Neck, NY

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 7:13AMSunset 4:54PM Saturday January 18, 2020 12:29 AM EST (05:29 UTC) Moonrise 2:03AMMoonset 1:10PM Illumination 45% Phase: Third Quarter Moon; Moon at 23 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 943 Pm Est Fri Jan 17 2020
Tonight..N winds 5 to 10 kt. Seas 1 ft or less.
Sat..NE winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Snow in the afternoon. Vsby less than 1 nm in the afternoon.
Sat night..S winds around 10 kt, becoming sw with gusts up to 20 kt after midnight. Seas 1 ft or less, then 2 to 3 ft after midnight. Rain and snow in the evening, then chance of rain after midnight. Vsby less than 1 nm in the evening.
Sun..W winds 15 to 20 kt with gusts up to 30 kt. Seas around 2 ft.
Sun night..W winds 15 to 20 kt, becoming nw 10 to 15 kt after midnight. Seas around 2 ft.
Mon..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less.
Mon night..NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 ft or less.
Tue..NW winds 5 to 10 kt. Seas 1 ft or less.
Tue night..N winds 5 to 10 kt. Seas 1 ft or less.
Wed..N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas 1 ft or less.
Wed night..SW winds around 5 kt, becoming N after midnight. Seas 1 ft or less.
ANZ300 943 Pm Est Fri Jan 17 2020
Synopsis for the long island waters and new york harbor.. High pressure builds over the waters tonight, followed by a frontal system expected to impact the area Saturday and Saturday night. Polar high pressure over the mid section of the country will build east and into the area by mid week.


7 Day Forecast for Marine Location Near Cove Neck, NY
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location: 40.9, -73.49     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 180248 AFDOKX

Area Forecast Discussion National Weather Service New York NY 948 PM EST Fri Jan 17 2020

SYNOPSIS. High pressure builds across the area overnight and offshore on Saturday, allowing a frontal system to pass Saturday night. Polar high pressure over the mid section of the country will then build east and into the area by mid week. The high will remain in place through Friday.

NEAR TERM /UNTIL 6 AM SATURDAY MORNING/. The forecast is on track. Strong high pressure centered across eastern Canada and the lower Great Lakes region this evening will build across the area overnight. NW-N winds will diminish through the night. High clouds overspread the area by morning. Lows will drop into the single digits to lower teens for all but the NYC metro, where it will drop into the upper teens. This is about to 10 to 15 degrees below normal.

SHORT TERM /6 AM SATURDAY MORNING THROUGH SATURDAY NIGHT/. The Winter Weather Advisory has been expanded to include all but sern Long Island.

The 12Z data supports a subfreezing column through 00Z for the entire area. Across the nrn third of the forecast area, the trend is colder with the area potentially below freezing for the entire event. Along the coast, the strengthening southerly onshore flow is still expected to bring a transition to rain, the timing of which is where the greatest uncertainty exists in the forecast. A general 2-4 for coastal zones and 3-5 for interior zones is forecast. Locally higher/lower amounts possible depending on the transition to rain. The immediate south coast of Long Island is highly susceptible to a much faster changeover and limited snowfall totals, whereas areas north of the parkway in CT have a higher potential to see localized amounts of around 6 inches.

Because of the overall uncertainty with exact timing of the onset, and the exact timing of the changeover, the advisory timing has been kept at 10 am to 1 am. There is a high probability this could be revised with later forecasts, starting the advisory later and ending it sooner, particularly along the coast, if no significant trends emerge in future model runs.

The 12Z HREF was used in the grids for precipitation timing and probability, with manually adjusted model blends used for temperatures and dewpoints.

LONG TERM /SUNDAY THROUGH FRIDAY/. The northern branch of the polar jet will briefly visit the northeast quarter of the nation next week with dry, and unseasonably cold air. This will be a far cry from where we have been this month with average temperatures at the official climate sites round 10 degrees above normal. Central Park through the first 16 days was fifth warmest all time.

After seasonable temperatures on Sunday, high temperatures through midweek will be at or just below freezing. Additionally, a gusty NW flow (up to 30 mph) on Sunday will gradually diminish Sunday night into Monday as the high approaches and low pressure departs across the north Atlantic.

For the second half of the week, the upper trough over the northeast departs and will be replaced by a southern branch upper ridge. The latter of which will be preceded by an upper low moving out into the Central Plains on Thursday and into the mid Mississippi Valley by Friday. This will allow for a gradual warmup with temperatures returning to just above normal levels by next Friday.

AVIATION /03Z SATURDAY THROUGH WEDNESDAY/. High pressure remains in control through tonight.

VFR tonight with NNW winds diminishing to under 10kt across all terminals by around midnight.

Winds become southerly Sat aftn with snow developing. Conds lower to IFR by evening.

OUTLOOK FOR 00Z SUNDAY THROUGH WEDNESDAY. Saturday night. IFR with Snow changing to rain southeast to northwest in evening, remaining snow well northwest. Dry conditions return overnight. Forecast snow amounts: NYC and NE NJ terminals: 3-4 inches, LI terminals: 2-3 inches, Lower Hudson Valley terminals: 3-5 inches, Southern CT terminals: 3-5 inches. Sunday. VFR. W-WNW gusts near 25kt day into evening. Gusts diminish late Sunday night. Monday-Wednesday. VFR, NW winds much of the period, N winds Tuesday night into Wednesday.

MARINE. A Small Craft Advisory remains in effect for the ocean waters east of Fire Island Inlet, however this might be able to be cancelled by the end of the night. Winds and seas will otherwise stay below advisory levels Saturday, then southerly winds will increase Saturday night, especially on the ocean where an advisory may be needed.

With low pressure departing to the northeast Sunday, there could be a brief period of W gales in the morning, with SCA conditions afterward. On the remainder of the waters SCA conditions will be ongoing Sunday into Sunday night, possibly as late as early Monday morning.

NW winds will continue to weaken on Monday as high pressure gradually builds in from the west. SCA conditions will linger on the ocean waters Monday, but mainly for seas.

High pressure will dominate the waters with tranquil conditions Monday night through late in the week.

HYDROLOGY. No hydrologic impacts are expected through Friday of next week.

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

OKX WATCHES/WARNINGS/ADVISORIES. CT . Winter Weather Advisory from 10 AM Saturday to 1 AM EST Sunday for CTZ005>012. NY . Winter Weather Advisory from 10 AM Saturday to 1 AM EST Sunday for NYZ067>075-078>080-176>179. NJ . Winter Weather Advisory from 10 AM Saturday to 1 AM EST Sunday for NJZ002-004-006-103>108. MARINE . Small Craft Advisory until 6 AM EST Saturday for ANZ350-353.

SYNOPSIS . NEAR TERM . DW SHORT TERM . LONG TERM . DW AVIATION . JC MARINE . HYDROLOGY . EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44040 - Western Long Island Sound 6 mi105 min NNW 12 G 16 22°F 1°F
44022 - Execution Rocks 13 mi60 min NNW 7.8 G 12 22°F 32°F5°F
KPTN6 - 8516945 - Kings Point, NY 16 mi60 min NNE 13 G 15 22°F 38°F1039.7 hPa
BRHC3 - 8467150 - Bridgeport, CT 25 mi60 min N 6 G 8.9 17°F 41°F1038.5 hPa
BATN6 - 8518750 - The Battery, NY 31 mi60 min 22°F 42°F1039.2 hPa
ROBN4 - 8530973 - Robins Reef, NJ 35 mi60 min N 12 G 15 22°F 1039.1 hPa
44065 - Entrance to New York Harbor 38 mi40 min NNW 12 G 16 27°F 3 ft1039 hPa8°F
BGNN4 - 8519483 - Bergen Point West Reach, NJ 39 mi60 min 23°F 41°F1039.4 hPa
MHRN6 40 mi60 min NW 8.9 G 12
NWHC3 - 8465705 - New Haven, CT 41 mi60 min N 7 G 12 18°F 38°F1038.4 hPa
SDHN4 - 8531680 - Sandy Hook, NJ 41 mi60 min N 7 G 11 23°F 42°F1039.6 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 48 mi40 min 16 G 21 27°F 46°F4 ft1038.1 hPa (+0.6)

Wind History for Kings Point, NY
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY12 mi37 minNNW 710.00 miFair21°F0°F38%1038.7 hPa
White Plains - Westchester County Airport, NY17 mi94 minNNW 1110.00 miFair17°F-4°F39%1039.3 hPa
Islip, Long Island Mac Arthur Airport, NY22 mi94 minNNW 1010.00 miPartly Cloudy20°F0°F41%1038.7 hPa
New York, La Guardia Airport, NY22 mi39 minNW 1110.00 miMostly Cloudy21°F0°F38%1039 hPa
New York, Kennedy International Airport, NY23 mi39 minNNW 910.00 miMostly Cloudy22°F0°F36%1039.4 hPa

Link to 5 minute data for KFRG

Wind History from FRG (wind in knots)
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Last 24hrN22
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1 day agoS12S10S15
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S10S11SW9W7W10W9NW16
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2 days agoN4W4W5NW6NW4NW6NW5NW5NW9
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NW9NW6NW7W6W5NW4N3CalmCalmCalmCalmCalmCalmS10

Tide / Current Tables for Cold Spring Harbor, Oyster Bay, 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 Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Sat -- 01:04 AM EST     Moonrise
Sat -- 02:29 AM EST     -0.00 knots Slack
Sat -- 05:56 AM EST     -0.72 knots Max Ebb
Sat -- 07:16 AM EST     Sunrise
Sat -- 08:56 AM EST     0.00 knots Slack
Sat -- 12:09 PM EST     0.99 knots Max Flood
Sat -- 12:11 PM EST     Moonset
Sat -- 03:22 PM EST     -0.00 knots Slack
Sat -- 04:55 PM EST     Sunset
Sat -- 06:28 PM EST     -0.68 knots Max Ebb
Sat -- 09:40 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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0.90.50.1-0.1-0.4-0.6-0.7-0.6-0.200.20.610.80.40.1-0.1-0.4-0.7-0.6-0.4-0.10.10.4

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 (0,6,7,8)
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Ground Weather Radar Station Upton, NY
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weather_mapweather_map weather_map

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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.