Tuesday, October27, 2020
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Marine Weather and Tides
Norwalk, CT

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:18AMSunset 5:56PM Tuesday October 27, 2020 10:46 AM EDT (14:46 UTC) Moonrise 4:38PMMoonset 3:15AM Illumination 82% Phase: Waxing Gibbous; Moon at 11 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- 1038 Am Edt Tue Oct 27 2020
Today..NW winds 5 to 10 kt. Seas 1 ft or less.
Tonight..NW winds around 5 kt. Seas 1 ft or less.
Wed..NW winds around 5 kt, becoming sw in the afternoon. Seas 1 ft or less.
Wed night..W winds 5 to 10 kt. Seas 1 ft or less.
Thu..NE winds around 5 kt. Seas 1 ft or less. Chance of rain in the morning, then rain likely in the afternoon with vsby 1 to 3 nm.
Thu night..NE winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. Rain. Vsby 1 to 3 nm.
Fri..NE winds 20 to 25 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 nm.
Fri night..N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight.
Sat..N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less.
Sat night..SE winds around 5 kt. Seas 1 ft or less.
ANZ300 1038 Am Edt Tue Oct 27 2020
Synopsis for the long island waters and new york harbor.. High pressure settles north of the coastal waters for the mid week before shifting offshore Wednesday night. The remnants of tropical cyclone zeta along with a larger low pressure system to its west will impact the area from Thursday into Friday. High pressure will return for the weekend.


7 Day Forecast for Marine Location Near Norwalk, CT
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location: 41.1, -73.42     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 271436 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1036 AM EDT Tue Oct 27 2020

SYNOPSIS. High pressure settles over the area for the mid week before shifting offshore Wednesday night. The remnants of Tropical Cyclone Zeta along with a larger low pressure system to its west will impact the area from Thursday into Friday. High pressure will return for the weekend, followed by another cold frontal passage Sunday into Monday.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Updated the forecast mainly for cloud cover. The rest of the forecast is mainly on track. Lower levels continue dry out on a north-northwest flow as high pressure begins to settle in from the eastern Great Lakes. Satellite trends show more in the way of sunshine heading into this afternoon with perhaps an increase in clouds once again for some areas by late in the day. Temperatures should manage to get to around 60 for the NYC metro, with mainly middle and upper 50s elsewhere.

SHORT TERM /6 PM THIS EVENING THROUGH WEDNESDAY NIGHT/. For tonight expect more clouds as the RH increases in the 5 kft to 10 kft level. Therefore a mostly cloudy night is expected with light winds. The guidance is not really indicating lower stratus or fog as compared to previous nights. Low temperatures will range near to slightly above normal, with mainly 40s to around 50 for the NYC metro. Approaching Wednesday morning an upper jet moves across the northern part of the CWA. This may provide enough divergence aloft along with some higher RH at 700 mb in association with a weak shortwave to aid any lift as to produce a few showers. Slight chance POPs for Wednesday morning seems prudent at this time.

By Wednesday afternoon some clearing is expected with only some residual moisture left in the 3 to 7 kft level. Temperatures once again will be right around normal with mainly upper 50s to around 60 region wide. For Wednesday night look for partly cloudy to perhaps a brief period of mostly clear skies before clouds increase later at night in advance of tropical moisture approaching from the Gulf states. Temperatures will average near normal for Wednesday night.

LONG TERM /THURSDAY THROUGH MONDAY/. After high pressure shifts offshore, attention shifts to the remnants of Tropical Storm Zeta and a deepening upper low moving from the southern Plains into the OH/TN River valleys. The upper low should kick the mid level remnants of Zeta into the Mid Atlantic Region on Thu and east of the area on Fri, while inducing sfc cyclogenesis near the OH/TN River valleys. This sfc low should then eventually absorb the remnant sfc circulation of Zeta by Fri morning, while confluence in the northern branch of the jet stream helps sfc high pressure to build into New England. Presence of Zeta to the west as well as the rear entrance region of an anticyclonic upper jet over Quebec and the Canadian Maritimes, with additional upper jet coupling as another streak round the base of the negatively- tilting cutoff low, plus intensifying H8-7 frontogenesis, should lead to moderate to heavy rain from Thu night into Friday. The event should be mainly of long enough duration to preclude anything greater than nuisance minor flooding, but depending on where and how all the mesoscale ingredients come together, there could be a window of opportunity for greater flood concerns late day Thu into Thu night.

Precip could end end briefly as a rain/snow mix Fri night, with the best chances for seeing any snow across the interior. Temps Fri/Fri night will be well below normal, with highs on Fri only from the 40s to around 50, the dropping to 25-30 inland Fri night, lower 30s most elsewhere, and mid 30s in NYC.

Temps should recover for the weekend but still be below normal, with upper 40s/lower 50s for highs on Sat and 50s on Sunday. A passing front should bring chances for showers from late Sunday afternoon into early Monday morning.

AVIATION /15Z TUESDAY THROUGH SATURDAY/. Weak high pressure will build in from the west through Wednesday.

Mainly VFR today with occasional MVFR ceilings this morning. Trends have been toward bring a period of MVFR ceilings and light rain into the toward daybreak Wednesday. Confidence is still not high enough to mention any rain in the TAFs.

Northerly winds around 10 kt will weaken this afternoon and may even go light and variable, especially toward evening.

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

Occasional MVFR ceilings this morning. Afternoon seabreeze possible.

OUTLOOK FOR 12Z WEDNESDAY THROUGH SATURDAY. Wednesday. Chance of MVFR with light rain in the morning. Thursday-Friday. IFR or lower likely in rain. NE winds 15-25 kt with gusts up to 30 kt Thursday night. NE winds around 25 kt with gusts around 35 kt Friday into Friday evening. Winds subside Friday night, eventually becoming N near 15 kt with gusts 20-25 kt. Saturday. VFR.

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

MARINE. Winds will be out of the north and northwest today with high pressure building north of the coastal waters. Winds and seas will be below SCA criteria. The high will move east and remain north of the waters with ocean seas remaining around 3 ft through Wednesday night.

By Thursday night winds and seas should ramp up, with NE gales expected mainly on all but the western Sound and NY Harbor by late Thu night, and continuing into early Fri evening even as winds back N after the passage of low pressure, the combination of the remnants of Zeta plus an extratropical low developing to its west. Lingering hazardous ocean seas will continue into late Fri night and daytime Sat, possibly Sat evening.

HYDROLOGY. Mainly dry conditions are expected through Wednesday night. Areal QPF for Thu into Friday averages around 2 to 2.5 inches. Most of this should be of long duration, with only nuisance impacts, but there could be a window for heavier rainfall and greater impact from late day Thu into Thu night. It is still too early to tell exactly where the heaviest rainfall and associated greater impacts could occur.

TIDES/COASTAL FLOODING. The high tide cycle on Fri is of concern for widespread minor to locally moderate coastal flooding as astronomical high tide levels rise in association with the full moon on Halloween, and as strong NE winds bring in surge. An early look per latest guidance suggests total tide departures of at least 1-1/2 to 2 ft and locally 2-1/2 ft, with a worst case about 1/2 foot higher than that.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . None.

SYNOPSIS . JE/Goodman NEAR TERM . JC/JE SHORT TERM . JE LONG TERM . Goodman AVIATION . JMC/DW MARINE . JE/Goodman HYDROLOGY . JE/Goodman TIDES/COASTAL FLOODING .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BRHC3 - 8467150 - Bridgeport, CT 14 mi46 min N 6 G 8.9 53°F 62°F1021.8 hPa (+1.7)
44022 - Execution Rocks 22 mi31 min N 7.8 G 12 54°F 47°F
KPTN6 - 8516945 - Kings Point, NY 27 mi46 min ENE 8.9 G 11 54°F 1023.3 hPa (+2.2)
NWHC3 - 8465705 - New Haven, CT 30 mi46 min N 6 G 8.9 53°F 61°F1022.9 hPa (+1.9)
44069 33 mi61 min N 9.7 G 12 55°F 49°F
BATN6 - 8518750 - The Battery, NY 42 mi46 min 54°F 62°F1022.7 hPa (+1.8)
ROBN4 - 8530973 - Robins Reef, NJ 46 mi46 min N 12 G 13 54°F 1022.3 hPa (+1.8)

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bridgeport, Sikorsky Memorial Airport, CT16 mi54 minN 1010.00 miOvercast53°F43°F69%1022.1 hPa
White Plains - Westchester County Airport, NY16 mi50 minN 510.00 miOvercast53°F44°F72%1022 hPa
Danbury, Danbury Municipal Airport, CT19 mi53 minN 910.00 miOvercast51°F39°F64%1022.7 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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Last 24hrSE12SE12E5E8E9E3E5E6SE7CalmCalmCalmSE5W5W5W5NW5W4W5SW10N8N11N6N5
1 day agoNE6NE4NE6NE6E6SE5SE7S5NE4NE4NE5NE4NE4E11E10E10E10E7E8E12E12E12E12SE12
2 days ago553W5NW9N10N9N8N6NW7N7N7N9N9N9N9N11N13N9NE9SE7N4N4N5

Tide / Current Tables for South Norwalk, Connecticut
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South Norwalk
Click for Map
Tue -- 03:15 AM EDT     Moonset
Tue -- 03:18 AM EDT     0.63 feet Low Tide
Tue -- 07:19 AM EDT     Sunrise
Tue -- 09:23 AM EDT     7.36 feet High Tide
Tue -- 03:45 PM EDT     0.60 feet Low Tide
Tue -- 04:38 PM EDT     Moonrise
Tue -- 05:54 PM EDT     Sunset
Tue -- 09:45 PM EDT     7.25 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.42.81.40.70.81.83.356.57.37.26.45.13.51.90.90.61.32.64.25.977.26.6

Tide / Current Tables for Stamford, Connecticut (2)
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Stamford
Click for Map
Tue -- 03:11 AM EDT     0.65 feet Low Tide
Tue -- 03:15 AM EDT     Moonset
Tue -- 07:20 AM EDT     Sunrise
Tue -- 09:17 AM EDT     7.50 feet High Tide
Tue -- 03:38 PM EDT     0.62 feet Low Tide
Tue -- 04:38 PM EDT     Moonrise
Tue -- 05:55 PM EDT     Sunset
Tue -- 09:39 PM EDT     7.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.32.71.30.70.923.55.36.77.57.36.453.41.80.80.71.42.84.56.17.27.36.7

Weather Map
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wmap_A
GEOS Local Image of    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
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.