Monday, May25, 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 5:23AMSunset 8:12PM Monday May 25, 2020 4:38 AM EDT (08:38 UTC) Moonrise 7:38AMMoonset 10:57PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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 145 Am Edt Mon May 25 2020
Synopsis for eastport me to stonington me out 25 nm.. High pressure slowly slides to the south and east of the area through thrusday night. A cold front approaches from the west on Friday.


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 250759 AFDOKX

Area Forecast Discussion National Weather Service New York NY 359 AM EDT Mon May 25 2020

SYNOPSIS. Offshore high pressure will continue across the area through the middle of the week. A cold frontal passage is expected late Friday into Saturday.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Any patchy fog should burn off and drizzle should come to an end early this morning as surface heating. The forecast challenge today will be whether the stratus pushes back southeast offshore all the way. There are indications that it may linger for the entire day, especially along the coast and similar to yesterday. Thinking that it may play out similar to yesterday, with some partial clearing later in the afternoon across the area, with locations along the coast seeing more in the way of clouds all day.

Conditions will remain dry however as high pressure remains anchored off the New England coast. Temperatures will be seasonable, with highs in the 70s away from the coast, and 60s along the coast. Though these may be a couple of degrees too high if clouds linger longer than forecast.

A northeast flow will shift to the southeast, bringing in a more humid air mass as dew points rise into the 50s.

There is a moderate risk for rip currents today.

SHORT TERM /6 AM THIS MORNING THROUGH TUESDAY NIGHT/. With little change in the air mass with the high situated offshore, expect the stratus and fog to come back from the southeast tonight as the surface cools in the lower levels, which are already on the humid side, so it shouldn't take much in the way of cooling. With a humid air mass, temperatures will not be as cool tonight as previous nights. Lows will be slightly above normal, in the 50s for much of the region, and around 60 in the New York City metro area.

A continued southerly flow and height rises into Tuesday, expect warmer temperatures, with highs in the lower 80s north and west of New York City. Highs in the 70s are expected most everywhere else, except 60s along the immediate coast thanks to the cooler ocean waters.

Continued dry conditions with the high offshore, but will have to monitor low level moisture to see if drizzle will be a factor Tuesday night.

LONG TERM /WEDNESDAY THROUGH SUNDAY/. A thermal ridge builds into the nern CONUS, producing a warm temps this week. Return flow around an offshore high however will be a limiting factor. Temps aloft would yield upper 80s at times, but the marine influence will not allow for this potential to be realized. Humidity will increase, and areas fog and stratus development each night into the mrng will remain a challenge. It is possible some coastal areas get locked in, which would severely limit temps. There could also be some spotty drizzle, but it is too uncertain to place in the fcst at this time. It would not be surprising to see some type of dense fog advy needed for portions of the area at times this week. Timing of the next cold front is Fri ngt into Sat per the ECMWF and GFS. Will start chances for tstms Thu ngt with a surge of theta-e, then the upr trof looks to get close enough to initiate some shwrs and tstms on Fri. The front itself arrives Fri ngt into Sat. A round of severe is possible with this sys, but will depend on the timing of everything. Right now it is too far out to tell. The models bring the front offshore Sat mrng. Pops were limited to high chance as this is still several days away and timing can change. Went close to the MEX for highs and NBM for lows.

LONG TERM /WEDNESDAY THROUGH SUNDAY/. A thermal ridge builds into the nern CONUS, producing a warm temps this week. Return flow around an offshore high however will be a limiting factor. Temps aloft would yield upper 80s at times, but the marine influence will not allow for this potential to be realized. Humidity will increase, and areas fog and stratus development each night into the mrng will remain a challenge. It is possible some coastal areas get locked in, which would severely limit temps. There could also be some spotty drizzle, but it is too uncertain to place in the fcst at this time. It would not be surprising to see some type of dense fog advy needed for portions of the area at times this week. Timing of the next cold front is Fri ngt into Sat per the ECMWF and GFS. Will start chances for tstms Thu ngt with a surge of theta-e, then the upr trof looks to get close enough to initiate some shwrs and tstms on Fri. The front itself arrives Fri ngt into Sat. A round of severe is possible with this sys, but will depend on the timing of everything. Right now it is too far out to tell. The models bring the front offshore Sat mrng. Pops were limited to high chance as this is still several days away and timing can change. Went close to the MEX for highs and NBM for lows.

There is a moderate rip current risk on Tue.

AVIATION /08Z MONDAY THROUGH FRIDAY/. Offshore high pressure will continue to maintain riding across the area the next several days. This will keep the terminals under a weak, mainly onshore flow.

IFR/MVFR conditions this morning will gradually lift into this afternoon with VFR conditions forecast by mid afternoon. Areas of drizzle early this morning will be mainly confined to the coastal terminals. There is also chance that some locations remain MVFR this afternoon, particularly those along the coast. A repeat performance is then forecast tonight. This time though the moisture is shallower with any ceilings likely to be IFR or lower.

Light NE-E winds early this morning will shift to the E/SE in the afternoon, then become light and variable tonight.

OUTLOOK FOR 06Z TUESDAY THROUGH FRIDAY. Tonight. MVFR/IFR ceilings likely. Tuesday-Thursday. Mainly VFR. Chance of IFR and patchy fog during the overnights into early morning hours. Friday. MVFR possible. Chance of showers and thunderstorms.

MARINE. Seas should fall below 5 ft by this afternoon. With a light pressure gradient, winds and seas should remain below 5 ft through Thursday, however there could be some hazards due to fog. A SCA may be needed on the ocean Thu ngt thru Sat as a frontal sys reaches the area.

Waves will build to 5 ft on the ocean Saturday night, building to 6 to 8 ft Sunday night. With a persistent easterly flow, waves will remain above 5 ft into Monday.

HYDROLOGY. No hydrologic impacts are expected. Some tstms are possible during the end of the week which could produce at least a low chance for minor urban and poor drainage flooding.

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 until noon EDT today for ANZ350-353-355.

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


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Gabreski Airport, NY162 mi46 minNE 75.00 miLight Rain Fog/Mist54°F52°F93%1023.5 hPa

Link to 5 minute data for KFOK

Wind History from FOK (wind in knots)
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2 days agoCalmCalmCalmW3S5SW8SW7SW10S10
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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.
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Wind Forecast for New York City/Upton, NY (4,6,7,8)
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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 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.