Tuesday, December10, 2019
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Marine Weather and Tides
Cold Spring, 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 7:09AMSunset 4:27PM Tuesday December 10, 2019 2:55 AM EST (07:55 UTC) Moonrise 4:37PMMoonset 6:18AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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- 1139 Pm Est Mon Dec 9 2019
.small craft advisory in effect until 6 am est Tuesday...
Overnight..SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Rain late this evening, then chance of rain late. Patchy fog. Vsby 1 to 3 nm.
Tue..SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft in the morning, then 1 ft or less. Patchy fog in the morning. Chance of rain in the morning, then rain likely in the afternoon.
Tue night..NW winds 5 to 10 kt. Seas 1 ft or less. Rain likely in the evening, then rain and snow after midnight with vsby 1 to 3 nm.
Wed..NW winds around 5 kt, becoming sw in the afternoon. Seas 1 ft or less. Snow, mainly in the morning. Vsby 1 to 3 nm.
Wed night..W winds around 10 kt. Seas 1 ft or less.
Thu..N winds 5 to 10 kt. Seas 1 ft or less.
Thu night..E winds 5 to 10 kt. Seas 1 ft or less.
Fri..E winds 5 to 10 kt. Seas 1 ft or less.
Fri night..E winds around 10 kt. Seas 1 ft or less. Chance of rain.
Sat..SE winds around 10 kt, becoming S in the afternoon. Seas 1 ft or less. Rain likely, mainly in the morning.
Sat night..W winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 1139 Pm Est Mon Dec 9 2019
Synopsis for the long island waters and new york harbor.. A cold front will approach into Tuesday and will move across late Tuesday into Tuesday night. Weak low pressure develops along the front offshore slowing down early Wednesday. Strong arctic high pressure builds over the waters Wednesday night through Thursday. The high moves off the northeast coast Thursday night. A low pressure system approaches from the southwest Friday and moves through the area Saturday and Saturday night.


7 Day Forecast for Marine Location Near Cold Spring village, NY
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location: 41.4, -73.95     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 100543 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1243 AM EST Tue Dec 10 2019

SYNOPSIS. A cold front will approach into Tuesday and will move across late Tuesday into Tuesday night. Weak low pressure develops along the front offshore early Wednesday slowing down its eastward progress Wednesday. Arctic high pressure builds into the region late Wednesday through Thursday. The high moves off the northeast coast Thursday night. A low pressure system approaches from the southwest Friday and moves through the area Saturday and Saturday night. High pressure builds Sunday and Monday.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Heaviest rain has moved east of the region coinciding with the low level jet. Lighter rain will continue to move through for the next few hours as the warm front lifts north and weakens. The rain tapers off from west to east after 06z. There may be some spotty light rain or drizzle during the early morning hours, but no widespread rain is anticipated heading into the Tuesday morning commute.

Some fog is possible, but feel the relatively strong SW flow will limit fog coverage.

Temperatures will not drop too much from the upper 40s inland and 50s elsewhere.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM WEDNESDAY/. The short term will feature the rainfall ahead of and along the cold front Tuesday into Tuesday evening as well as the mixing with and changing to snow behind the cold front later Tuesday night into Wednesday.

For this timeframe, used mostly a consensus of raw model temperatures with some slight adjustments downward for Tuesday night and Wednesday when colder air will be advecting into the region on more of a northwest flow.

In the upper levels, a jet streak will be approaching and will move in with its right rear quad by Wednesday morning, before moving farther northeast. Mid level shortwave trough will be approaching Tuesday and then move across the region Tuesday night into Wednesday with the most positive vorticity advection staying north of the region. The most forcing for lift will be late Tuesday night into Wednesday.

At the surface, the cold front approaches Tuesday and moves across late Tuesday afternoon into Tuesday evening. Rain continues through the day which could again be moderate at times. Precipitation lingers behind the cold front for Tuesday night into Wednesday and models have been pretty consistent showing potential for 1 to 3 inches of snow for much of the area, 3 to 4 inches across the interior, which is reflected in the current forecast. Initially, the changeover from rain to snow will be limited with accumulation especially if it is light as ground temperatures will be above freezing. The snow accumulation occurs Wednesday morning when much of the region is at freezing or below. Some slight rise in temperatures expected during the day, low to mid 30s.

While the amounts of snow forecast are 1 to 4 inches, the timing puts this during the Wednesday morning commute, making for potentially hazardous travel conditions due to slippery surfaces and reduced visibilities.

Weather becomes drier Wednesday afternoon into Wednesday evening with a slow decrease in clouds as the shortwave trough starts to lift north of the region.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. Wednesday night through Thursday night the guidance is in good agreement with arctic high pressure building over the region and then departing off the northeast coast. Well below normal temperatures are expected Wednesday night and Thursday. The upper flow becomes nearly zonal through Thursday night. Differences then develop with the next shortwaves impacting the area Friday into Saturday night. Split flow is expected to develop and the timing, and strength, of the northern and southern stream shortwaves differs. Regardless, the southern stream wave remains dominant, with warm advection increasing ahead of a developing warm front. The best chances at this time for snow and/or a rain snow mix will be across the interior Friday morning. Then timing of the warm up will determine the changeover to rain. Along the coast rain is expected. A lot of uncertainty remains with the strength of the northern stream shortwave and the interaction with the southern stream wave later Saturday into Sunday. The GFS is much farther to the north and deeper than the ECMWF with the northern stream.

High pressure and colder weather returns Sunday into Monday.

AVIATION /06Z TUESDAY THROUGH SATURDAY/. A cold front over the Midwest will slowly approach the area through the day on Tuesday.

Low-end MVFR ceilings to start the TAF period at many terminals as the steadiest rain continues to end from west to east. Generally expect ceilings to lower back to IFR at all terminals overnight into Tuesday morning before some improvement back to MVFR is possible in the afternoon. Once precipitation moves off to the east, pockets of drizzle and/or fog are possible through the overnight. A few showers are then possible Tuesday morning before another round of steadier rain is expected during the afternoon in association with the approaching front. Rain will change to a rain/snow mix and eventually all snow from NW to SE after 03Z.

S winds 10-15 kt with gusts up to 25 kt overnight, primarily at city and coastal terminals. Winds and gusts could be a few knots higher at eastern coastal terminals. LLWS at all terminals through tonight. Winds shift to the SW at around 10 kt during the day on Tuesday, then NW by the end of the TAF period with speeds decreasing to 5-10 kt.

OUTLOOK FOR 06Z WEDNESDAY THROUGH SATURDAY. Tuesday night. IFR or lower as rain transitions to snow from northwest to southeast. Wednesday. IFR or lower possible in snow in the morning, improving to VFR late. Thursday. VFR Friday. MVFR possible in developing rain. Friday night-Saturday. IFR in rain or a wintry mix. LLWS possible.

MARINE. Gale warning in effect for all ocean zones into early Tuesday morning, but it is possible that winds stay below 34 kt. The warning may need to be converted to an SCA. SCA remains in effect for non-ocean waters into early Tuesday.

For Tuesday, SCA conditions remain on the ocean and continue through Tuesday night. SCA remains on much of the ocean Wednesday before dropping below SCA mid to late Wednesday afternoon west of Moriches Inlet.

SCA in effect for all waters. Main push of stronger winds to the east today, and gusts in S-SW flow getting close but not quite to 35 kt except on the ocean E of Moriches Inlet this afternoon. Gale warning starts on the ocean east of Moriches Inlet this afternoon. Rest of ocean, gale warning starts tonight. Gales remain on ocean until Tuesday morning and SCA remains on non-ocean waters until Tuesday morning. Gales subside Tuesday with SCA remaining on the ocean. Tuesday expected to be below SCA on non-ocean waters.

Increasing, and gusty, northwest flow develops Wednesday night behind departing low pressure. Marginal SCA conditions are expected to develop on the ocean waters Wednesday night and continue into Thursday morning.

With high pressure moving across the waters Thursday and departing Friday sub advisory conditions are expected. Then east to southeast winds will increase ahead of the next low pressure system moving in from the southwest Friday night. Once again, marginal SCA wind gusts are expected on the ocean waters Friday night through most of Saturday, while ocean seas will build significantly Friday night into Saturday.

HYDROLOGY. Widespread rain will taper off early Tuesday morning. Another area of rain will overspread the region Tuesday afternoon and evening with the passage of a cold front. The rain mixes with and changes to snow early Wednesday morning. No hydrologic concerns are anticipated with this precipitation.

Total liquid equivalent for the recent event from Monday morning through Wednesday morning remains between 1 to 2 inches.

The next significant rain of up to an inch is expected Friday night through Saturday. Timing and rainfall amounts may change, so hydrologic impacts are uncertain at this time.

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 6 AM EST early this morning for ANZ330-335-338-340-345. Gale Warning until 6 AM EST early this morning for ANZ350-353- 355.

SYNOPSIS . JM/MET NEAR TERM . JM/DS SHORT TERM . JM LONG TERM . MET AVIATION . FEB/BC MARINE . JM/MET HYDROLOGY . JM/MET EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NPXN6 30 mi86 min S 7 45°F 1006 hPa45°F
44040 - Western Long Island Sound 36 mi66 min SW 12 G 16 51°F 1 ft49°F
44022 - Execution Rocks 38 mi41 min SSW 12 G 16 52°F 32°F51°F
KPTN6 - 8516945 - Kings Point, NY 42 mi56 min W 11 G 13 56°F 44°F1007.9 hPa (+0.0)
TKPN6 42 mi56 min S 9.9 G 13 47°F 34°F1005.4 hPa (-0.0)47°F
ANMN6 - Hudson River Reserve, NY 43 mi86 min ESE 1.9 46°F 1004 hPa45°F
BRHC3 - 8467150 - Bridgeport, CT 44 mi56 min WSW 7 G 14 1006.1 hPa (+0.0)
BATN6 - 8518750 - The Battery, NY 48 mi56 min 54°F 46°F1007.6 hPa (-0.3)

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newburgh / Stewart, NY11 mi71 minWSW 67.00 miOvercast48°F48°F100%1005.8 hPa
Poughkeepsie, Dutchess County Airport, NY17 mi63 minN 05.00 miFog/Mist41°F39°F96%1005.4 hPa
Montgomery, Orange County Airport, NY18 mi62 minSW 77.00 miOvercast44°F44°F100%1005.7 hPa

Link to 5 minute data for KSWF

Wind History from SWF (wind in knots)
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Last 24hrCalmCalmCalmCalmCalm4CalmCalmCalmCalmCalmCalmW5W7W7SW5SW7
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1 day agoCalmW4W4CalmCalmCalmCalmW5CalmCalmSW10S6S8SW5SW5CalmW5W5W5W5W6W6NW6Calm
2 days agoNW8NW8W8W11SW3W8--W12NW8
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Tide / Current Tables for West Point, Hudson River, New York
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West Point
Click for Map
Tue -- 04:09 AM EST     0.01 feet Low Tide
Tue -- 05:18 AM EST     Moonset
Tue -- 07:10 AM EST     Sunrise
Tue -- 09:58 AM EST     2.49 feet High Tide
Tue -- 03:37 PM EST     Moonrise
Tue -- 04:26 PM EST     Sunset
Tue -- 04:53 PM EST     -0.01 feet Low Tide
Tue -- 10:26 PM EST     2.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.50.90.50.200.20.81.522.42.52.421.40.90.40.1-00.30.91.51.92.12.1

Tide / Current Tables for Haverstraw (Hudson River), New York Current
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Haverstraw (Hudson River)
Click for Map
Tue -- 02:24 AM EST     -1.20 knots Max Ebb
Tue -- 05:18 AM EST     Moonset
Tue -- 06:02 AM EST     0.00 knots Slack
Tue -- 07:10 AM EST     Sunrise
Tue -- 08:21 AM EST     0.99 knots Max Flood
Tue -- 11:23 AM EST     -0.00 knots Slack
Tue -- 03:01 PM EST     -1.33 knots Max Ebb
Tue -- 03:37 PM EST     Moonrise
Tue -- 04:26 PM EST     Sunset
Tue -- 06:50 PM EST     0.00 knots Slack
Tue -- 08:47 PM EST     0.73 knots Max Flood
Tue -- 11:29 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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-0.6-1-1.2-1.1-0.9-0.5-00.610.90.70.2-0.4-0.9-1.2-1.3-1.2-0.9-0.50.10.60.70.60.3

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 (2,6,7,8)
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Ground Weather Radar Station Upton, NY
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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 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.