Saturday, March28, 2020
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Marine Weather and Tides
Southampton, 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 6:38AMSunset 7:13PM Saturday March 28, 2020 8:26 AM EDT (12:26 UTC) Moonrise 8:57AMMoonset 11:13PM Illumination 20% Phase: Waxing Crescent; Moon at 4 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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ANZ005 621 Am Edt Sat Mar 28 2020
Synopsis for eastport me to stonington me out 25 nm.. High pressure will build over the waters today and slide east tonight. Low pressure will be approaching from the southwest on Sunday and pass just south of the waters on Monday. High pressure will then build in on Wed with another low pressure system passing south of the waters on Thu.


7 Day Forecast for Marine Location Near Southampton, NY
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location: 38.69, -71.39     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 281158 AFDOKX

Area Forecast Discussion National Weather Service New York NY 758 AM EDT Sat Mar 28 2020

SYNOPSIS. A warm front approaches from the southwest through tonight and remains near the region on Sunday with low pressure moving across New England Sunday night into Monday. The low slowly moves off the coast Monday night into Tuesday as high pressure briefly returns. Another low passes to the south Wednesday with weak high pressure following for Thursday.

NEAR TERM /THROUGH TONIGHT/. Forecast mainly on track with some slight adjustments to temperatures and dewpoints to better match observed trends.

Low pressure tracks from the Central Plains to the middle MS Valley. While the primary low center of this storm system will be well west of us, its associated warm front will approach the area from the Mid Atlantic. Warm advection rain will overspread the area during the afternoon and continue through the night, possibly transitioning over to light rain and drizzle late at night as the mid levels begin to dry out. The one caveat here is that a departing surface ridge along the New England coast and deep-layered ridging aloft could take some time to moisten before being offset by thermal forcing and a SE LLJ that works across the area starting late this afternoon. The rainfall therefore might not be as steady in the first couple of hours after its onset or may be delayed an hour or two longer than anticipated. East winds gradually strengthen through tonight with the potential for gusts up to 25 mph, mainly near the coast.

SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/. The warm front remains to our south Sunday into Sunday night as a wave of low pressure moves along it. There is however a chance that the front lifts through a portion of the forecast area late in the day into the evening. Rain is still likely in the morning and somewhat less likely in the afternoon although drizzle will be possible at any given point through the day as mid levels continue to dry out. A weak surface trough then pushes in Sunday night with 3KM NAM suggesting convective cells potentially moving in ahead of it as elevated instability will be present. Moisture would otherwise be shallow by this time and low levels will be stable. PoPs therefore continue to drop through the night and will leave out the mention of thunder, but there will still a chance of light rain or drizzle.

The parent low of the storm system heads towards the Adirondacks Monday into Monday night, tracking along with a closed 500mb low. It should be dry through most of the morning for us, but cyclonic flow aloft and in increase in mid level moisture will bring low chances of showers in the afternoon and evening. Maybe a lingering shower still possible over eastern zones late at night with an inverted surface trough still in the area.

LONG TERM /TUESDAY THROUGH FRIDAY/. For now, will continue with a dry forecast for Tuesday as weak high pressure tries to build in, however an inverted surface trough and moisture convergence along it has a chance to linger INVOF the forecast area for a portion of the day.

A progressive southern stream shortwave approaches the eastern seaboard Tuesday night. Energy with this shortwave may phase with some lingering northern stream energy from an offshore upper low on Wednesday. However, the main surface low is most likely to pass well to the south and east of the region off the Carolina coast with little to no impacts here. Will maintain low chance PoPs for Wednesday at this point, but should trends continue, might be able to remove PoPs altogether soon.

The upper trough and surface low may linger across the Western Atlantic for the end of next week, but mostly dry conditions are anticipated over the CWA.

Temperatures during the period should be near to slightly above normal.

AVIATION /12Z SATURDAY THROUGH WEDNESDAY/. High pressure moves offshore today, giving way to an approaching warm front. The warm front will linger to the south of the region Sunday before moving northeast across the area Sunday night.

VFR through early this afternoon, then lowering to MVFR toward evening and IFR tonight with rain moving in and becoming more steady. There will be LIFR at times in ceilings and visibilities overnight into early Sunday with fog in the forecast as well.

Light winds become more E to SE, while gradually increasing in wind speed to 5-10 kts today. E-SE flow will become gusty tonight when gusts of 15-20 kt are forecast, mainly along the coast.

OUTLOOK FOR 12Z SUNDAY THROUGH WEDNESDAY. Sunday. IFR to LIFR, VLIFR possible at times especially along the coast. Rain, drizzle and fog. Conditions improving Sunday night, becoming VFR toward Monday morning. E gusts 15-20 kt gradually taper off in the afternoon. Monday. Mainly VFR. Widely scattered showers possible in the afternoon and at night. Tuesday. Mainly VFR. Possible light rain late Tuesday night. Wednesday. MVFR possible in showers.

MARINE. In terms of winds, SCA conditions linger across the eastern waters on Sunday. Sub-SCA Sunday night through Tuesday night and then a return to SCA conditions on the ocean waters on Wednesday.

SCA ocean seas forecast Sunday through Monday evening. For late Monday night through much of Tuesday night, sub-SCA. SCA seas on ocean forecast Wednesday into Wednesday night.

HYDROLOGY. Around an inch of rain is expected this afternoon through Sunday night. This will be falling over a long period of time, so hydrologic impacts are expected with this system, and no hydrologic impacts are anticipated next week.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is undergoing its final stages of testing, and is operating at full power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory from 10 PM this evening to noon EDT Sunday for ANZ335-338. Small Craft Advisory from 10 PM this evening to 6 PM EDT Sunday for ANZ330-340-345. Small Craft Advisory from 6 PM this evening to 6 PM EDT Sunday for ANZ350-353-355.

SYNOPSIS . JC NEAR TERM . JC/JM SHORT TERM . JC LONG TERM . JC/DS AVIATION . JM MARINE . JM/DS HYDROLOGY . JC/DS EQUIPMENT .


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Gabreski Airport, NY162 mi34 minESE 810.00 miFair47°F32°F56%1020.4 hPa

Link to 5 minute data for KFOK

Wind History from FOK (wind in knots)
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Last 24hrW3NW7NW10NW15
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NW13W10W4CalmN6NW5SW6CalmN5N4NE3NE5E6E6E6E8
1 day agoN12N12
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of Mid-Atlantic    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 (8,2,3,4)
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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 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.