Monday, May10, 2021
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Marine Weather and Tides
Nesconset, NY

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 5:38AMSunset 7:59PM Monday May 10, 2021 6:37 PM EDT (22:37 UTC) Moonrise 5:18AMMoonset 7:01PM Illumination 1% Phase: New Moon; Moon at 29 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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ANZ345 South Shore Bays From Jones Inlet Through Shinnecock Bay- 553 Pm Edt Mon May 10 2021
Tonight..W winds 5 to 10 kt. Waves 1 ft or less. Scattered sprinkles early.
Tue..NW winds around 10 kt, becoming W with gusts up to 20 kt in the afternoon. Waves 1 ft or less.
Tue night..W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less.
Wed..NW winds 10 to 15 kt. Waves 1 ft or less.
Wed night..NW winds around 10 kt. Waves 1 ft or less.
Thu..NW winds 5 to 10 kt, becoming W in the afternoon. Waves 1 ft or less.
Thu night..W winds 5 to 10 kt. Waves 1 ft or less.
Fri..W winds 5 to 10 kt. Waves 1 ft or less.
Fri night..SW winds 5 to 10 kt. Waves 1 ft or less.
Sat..W winds around 5 kt. Waves 1 ft or less.
Sat night..SW winds around 5 kt. Waves 1 ft or less.
ANZ300 553 Pm Edt Mon May 10 2021
Synopsis for the long island waters and new york harbor.. High pressure continues to build in at the through Tuesday night, with a surface trough moving through Tuesday. High pressure builds into the area Wednesday into Thursday. Weak troughs of low pressure move through Friday into the weekend, but high pressure will largely dominate the pattern over the northeast.


7 Day Forecast for Marine Location Near Nesconset, NY
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location: 40.85, -73.16     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 102155 AFDOKX

Area Forecast Discussion National Weather Service New York NY 555 PM EDT Mon May 10 2021

SYNOPSIS. High pressure continues to build in at the through Tuesday night, with a surface trough moving through Tuesday. High pressure builds into the area Wednesday into Thursday. Weak troughs of low pressure move through Friday into the weekend, but high pressure will largely dominate the pattern over the northeast.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/. Forecast on track this evening.

High pressure at the surface will continue to build into the forecast area tonight. Meanwhile, the area will be at the base of a 500 hPa trough that will be over the Great Lake and Northeast U.S. A cut off low over the northern Great Lakes will weaken as it heads southeast toward southeastern Canada.

With some clouds and a bit of wind (5 to 10 mph across the tri- state), radiational cooling will not be maximized, so temperatures will run near or just below normal for this time of year.

SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/. The 500 hPa low will help to induce low pressure over the Canadian Maritimes on Tuesday, while southern New England and northern mid- Atlantic remains at the base of the 500 hPa trough. A surface trough looks to pivot around the low and into our area in the afternoon. This could set off some showers during this time frame. The cold pool aloft and surface heating will aid in destabilization with steeper lapse developing in the lower to middle levels of the atmosphere. However, a lack of any real strong forcing mechanism will likely limit shower activity to slight chance. Additionally, lack of any CAPE (surface or elevated) precludes the mention of thunder, but the development of a thunderstorm somewhere in the forecast area cannot be totally ruled out.

Any shower activity will end at or around sunset Tuesday evening. Dry conditions are expected thereafter. Clouds will also diminish through the night. Though continued light, winds will remain a bit elevated overnight (5 to 10 mph and perhaps a few mph higher along the coast). Once again, radiational cooling will not be maximized, but better chances for cooler temperatures related to this would be inland where winds will be a bit lighter. Some frost is possible in these areas. However it looks to isolated to even mention in the forecast as again, there will be at least some wind in these locations.

LONG TERM /WEDNESDAY THROUGH MONDAY/. There has not been too much change in the overall thinking in the long term. A large upper level low and trough will be moving off the New England coast on Wednesday. Its associated surface troughing may linger over the area until evening when it shifts offshore and high pressure begins to build in from the west. The surface high will continue building in through the remainder of the week as ridging takes shape aloft. However, the ridging is is likely to weaken on Friday as the ensemble means indicate a split flow pattern setting up aloft. The northern stream will remain displaced across southern Canada. A series of southern stream shortwaves look begin to approach on Friday and then possibly continue moving over or just south into the weekend. High pressure will largely dominate the surface pattern over the northeast, but the shortwaves aloft will lead to weak surface troughs moving across each day. Ridging may return early next week.

Overall, the latest NBM looks good for the long term. Will maintain slight chance to low end chance PoPs for showers Friday into the weekend, mainly in the afternoon and evening. Instability looks minimal, but there is indicated of an increase in MLCAPE on Sunday. Have maintained the previous mention of slight chance of thunder, mainly away from the immediate coast.

Temperatures start out below normal Wednesday and then return to near normal on Thursday and Friday. Temperatures should then average near to above normal this weekend. The coolest readings should lie near the immediate coast, especially late in the week and next weekend due to sea breezes. Cloud cover associated with the series of shortwaves late in the week may also impact temperatures.

AVIATION /22Z MONDAY THROUGH SATURDAY/. Weak high pressure builds in from the west through tonight.

Mainly VFR through the TAF period. There may however be a few locations that observe conditions briefly fall back to MVFR for an hour or so at locations north and east of NYC.

Winds N-NE around 10kt. A few gusts to around 18kt are possible at the New York metro terminals until late afternoon. Winds may become westerly late in the day into this evening, and then back to NW under 10kt tonight. Seabreezes have developed along the Connecticut coast.

. NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty .

Amendments possible for wind directions. The NYC terminals may become more westerly than forecast late this afternoon.

OUTLOOK FOR 18Z TUESDAY THROUGH SATURDAY. Tuesday and Wednesday. VFR. W-NW wind G20-25kt. Thursday and Friday. VFR. Saturday. Mainly VFR. Chance of afternoon showers west of NYC.

Detailed information, including hourly TAF wind component forecasts, can be found at: http:/www.weather.gov/zny/n90

MARINE. 5 ft seas will continue on the ocean waters east of Fire Island Inlet through overnight. The waters from Fire Island Inlet to Moriches Inlet may fall below 5 ft just after midnight, while east of Moriches Inlet should stay elevated above 5 ft through the night.

Winds increase on Tuesday as low pressure over the Canadian Maritimes strengthens. This will increase the pressure gradient over the waters. Gusts of 20 kt are expected. There may be occasional gusts to 25 kt across most waters. There is a chance that a SCA may be needed, but confidence was not high enough to issue one now.

Wave heights may build to 5 ft on the eastern ocean zone, and the SCA may need to be continued into Tuesday if this trend continues.

Winds and waves diminish Tuesday night.

Lingering SCA gusts are possible on the ocean waters Wednesday morning. Overall, winds and seas will be subsiding on Wednesday with much of the day below SCA levels. Thereafter, winds and seas should remain below SCA levels on all waters through Saturday with a general weak pressure gradient in place.

HYDROLOGY. No hydrologic impacts are expected through the weekend.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 10 AM EDT Tuesday for ANZ350-353.

SYNOPSIS . JP/DS NEAR TERM . JP/DS SHORT TERM . JP LONG TERM . DS AVIATION . BC MARINE . JP/DS HYDROLOGY . JP/DS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44069 11 mi82 min NW 7.8 G 9.7 58°F 58°F47°F
BRHC3 - 8467150 - Bridgeport, CT 22 mi67 min NNW 5.1 G 8 59°F 53°F1012.1 hPa
KPTN6 - 8516945 - Kings Point, NY 32 mi67 min NNE 8.9 G 9.9 56°F 1013.7 hPa
44039 - Central Long Island Sound 33 mi97 min S 5.8 G 7.8 54°F 52°F1 ft
NWHC3 - 8465705 - New Haven, CT 33 mi67 min SW 8 G 11 55°F 55°F1013.3 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 41 mi37 min W 5.8 G 5.8 52°F1012.7 hPa
44065 - Entrance to New York Harbor 44 mi37 min W 5.8 G 7.8 52°F1012.9 hPa (+0.7)
BATN6 - 8518750 - The Battery, NY 46 mi67 min 59°F 55°F1013.5 hPa

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Islip, Long Island Mac Arthur Airport, NY5 mi41 minVar 410.00 miOvercast60°F43°F53%1012.6 hPa
Farmingdale - Republic Airport, NY16 mi44 minNNW 810.00 miOvercast60°F42°F52%1013 hPa
Shirley, Brookhaven Airport, NY16 mi41 minWNW 610.00 miOvercast60°F42°F52%1012.7 hPa
Bridgeport, Sikorsky Memorial Airport, CT23 mi45 minW 710.00 miOvercast60°F43°F53%1012.3 hPa

Link to 5 minute data for KISP

Wind History from ISP (wind in knots)
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Last 24hrSW5CalmE4SE7E8E10E9E10E8N8N10N10N8N8N8NW8NW10NW12N8NW11NW8N8W74
1 day agoSW5SW4SW4W3W4W5W5W4W4W5NW4SW3W7W6W6W7W9
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2 days agoSE12E8E7E7E5E3NE3NE4CalmN3NE4NE3NE4NE5NE4Calm6NE5SE6S9S9S8SE5SW7

Tide / Current Tables for Nissequogue River entrance, Long Island Sound, New York
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Nissequogue River entrance
Click for Map
Mon -- 05:17 AM EDT     Moonrise
Mon -- 05:18 AM EDT     -0.05 feet Low Tide
Mon -- 05:40 AM EDT     Sunrise
Mon -- 11:22 AM EDT     6.93 feet High Tide
Mon -- 05:26 PM EDT     0.53 feet Low Tide
Mon -- 07:01 PM EDT     Moonset
Mon -- 07:59 PM EDT     Sunset
Mon -- 11:32 PM EDT     7.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.15.84.22.40.8-00.21.22.84.566.96.75.84.52.91.50.60.71.73.256.57.5

Tide / Current Tables for Setauket Harbor, Long Island Sound, New York
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Setauket Harbor
Click for Map
Mon -- 05:17 AM EDT     Moonrise
Mon -- 05:33 AM EDT     -0.05 feet Low Tide
Mon -- 05:39 AM EDT     Sunrise
Mon -- 11:29 AM EDT     6.59 feet High Tide
Mon -- 05:41 PM EDT     0.51 feet Low Tide
Mon -- 07:01 PM EDT     Moonset
Mon -- 07:58 PM EDT     Sunset
Mon -- 11:39 PM EDT     7.29 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.95.84.32.610.10.10.92.445.66.56.55.74.53.11.70.70.61.32.74.467.1

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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