Tuesday, May26, 2020
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Marine Weather and Tides
Norwalk, CT

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 5:24AMSunset 8:16PM Tuesday May 26, 2020 12:30 AM EDT (04:30 UTC) Moonrise 8:34AMMoonset 12:00AM Illumination 16% 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 1015 Pm Edt Mon May 25 2020
.dense fog advisory in effect until 10 am edt Tuesday...
Tonight..E winds 5 to 10 kt. Seas 1 ft or less. Areas of fog late this evening and overnight. Vsby less than 1 nm late this evening and overnight.
Tue..SE winds around 5 kt. Seas 1 ft or less. Areas of fog in the morning. Vsby less than 1 nm in the morning.
Tue night..S winds 5 to 10 kt. Seas 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm.
Wed..S winds around 5 kt. Seas 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm.
Wed night..S winds 5 to 10 kt. Seas 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm.
Thu..S winds around 5 kt, increasing to around 10 kt in the afternoon. Seas 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm.
Thu night..S winds around 10 kt. Seas 1 ft or less. Chance of showers.
Fri..S winds 10 to 15 kt. Seas 1 ft or less. Chance of showers.
Fri night..SW winds 10 to 15 kt. Seas 1 ft or less. Chance of showers.
Sat..W winds around 10 kt. Seas 1 ft or less. Chance of showers and tstms.
Sat night..NW winds 5 to 10 kt, becoming N after midnight. Seas 1 ft or less. Winds and seas higher in and near tstms.
ANZ300 1015 Pm Edt Mon May 25 2020
Synopsis for the long island waters and new york harbor.. Offshore high pressure will slowly drift east through the middle of the week. A cold frontal passage is expected late Friday into Saturday.


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 260327 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1127 PM EDT Mon May 25 2020

SYNOPSIS. Offshore high pressure will continue ridging across the area through Thursday. A slow moving cold front approaches Friday and moves through Friday night into Saturday. High pressure returns Sunday into early next week.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/. Another night with a light onshore flow out of the SE. Satellite imagery / produces continue to indicate lowering stratus deck working its way west during the late evening and into the overnight. Guidance has been bullish on lowering ceilings which has transpired in eastern locations and continues to work its way towards NYC and the Lower Hudson Valley.

Low level RH values remain above 80% through the night as a weak inverted surface trough off the Carolina coast continues to provide a source of shallow subtropical moisture to region. Have issued a special weather statement for the southern half of Long Island to cover fog, which should increase in coverage over the next few hours. Trends will be watched over the next few hours to see if a Dense Fog Advisory is needed for some of the coastal areas. Minimum temperatures in the upper 50s to around 60 is expected.

SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/. Upper level ridge over southern New York keeps the dry mid level regime in place for Tuesday. Model soundings show the persistent 850 mb inversion aloft restricts moisture to the lowest levels. Another day of broken stratus becoming scattered stratus is likely. The subsidence from the overhead ridge will have a added effect of inducing higher than average temperatures for Tuesday afternoon. Highs could be in the upper 70s and even low 80s near the city, across the Lower Hudson Valley and portions of southern Connecticut. Areas along Long Island will likely remain in the mid to low 70s due to the additional cloud cover.

Towards the evening and overnight hours the surface high that was once overhead shifts east allowing for light south winds to develop. Stratus clouds should then slowly expand in from the ocean waters. This should lead to a second night of low stratus and patchy fog. Moreover there is a slight chance drizzle could be mixed in with the stratus as the night progresses into day. Temperatures hold in the upper 50s through the night.

There is a moderate risk of rip currents on Tuesday.

LONG TERM /WEDNESDAY THROUGH MONDAY/. A strong upper level ridge will be in place across the northeast to start the long term Wednesday. Surface high pressure will also be located over the Western Atlantic, with models consistent in showing the high ridging into the region from the east. The core of the upper ridge will begin to break down on Thursday and shift over the Western Atlantic. However, the surface ridge looks to remain in tact, which will likely keep much of the region dry through Thursday. There may be some morning drizzle near the coast on Wednesday. Patchy fog and low stratus are also likely both mornings with a continued onshore flow and warm air moving over ocean temperatures in the lower 50s. Any stratus and fog likely diminish with daytime heating, but it could linger near the coast. The ridging will boost temperatures away from the immediate coast into the upper 70s to near 80 both Wednesday and Thursday. Temperatures closer to the coast will be held down in the lower to middle 70s and some places more exposed to the onshore flow could stay in the 60s. Temperatures could also be held down if stratus and/or fog hang on longer. There could be a few showers that traverse around the periphery of the ridge as it breaks down Thursday, mainly N and W of NYC.

The upper ridge continues to break down Thursday night into Friday with a more significant upper short wave trough digging into the Great Lakes and southeast. There may be some vort energy traversing around the ridge from the southeast Thursday night into Friday morning which could bring some higher probability of showers. Otherwise, the main area of forcing will be with the shortwave and its associated cold front, which models have been slowing down over the last several runs. There may be a prefrontal trough developing to our NW Friday with some enhanced convection, but the highest probabilities for showers and possible thunderstorms may occur Friday night into the first half of Saturday with the actual cold front. Forecaster confidence is low regarding the timing of the front, so have continued to go with chance probabilities. Have increased them on Saturday due to the trend for a slower frontal passage.

Conditions should improve late Saturday into Saturday night as the upper trough moves over the Eastern States. High pressure builds down out of Southern Canada for Sunday into early next week with dry conditions expected.

Conditions will become increasingly more humid Wednesday into the end of the week. The timing of the cold front will ultimately determine how warm temperatures reach Friday into Saturday. Highs should remain cooler near the immediate coast, in the lower to middle 70s, with temperatures in the upper 70s and lower 80s away from the coast. Temperatures trend cooler and possibly below normal Sunday into early next week.

AVIATION /03Z TUESDAY THROUGH SATURDAY/. Offshore high pressure will continue to ridge across the area the next several days. This will keep the terminals under a weak, mainly moist onshore flow.

Generally IFR to LIFR ceilings during the overnight. Eastern most coastal terminals will have visibilities at times below a mile, with a few pockets of locally dense fog possible. Therefore LIFR and locally VLIFR become increasing likely overnight and into early Tuesday morning, especially for eastern most coastal terminals.

Conditions gradually improve Tuesday morning to MVFR and then VFR in the afternoon. Once again there is uncertainty to the timing of improvements Tuesday.

Winds overall light and variable, then calm overnight. Winds then become E-SE Tuesday morning, with afternoon sea breezes.

OUTLOOK FOR 0Z WEDNESDAY THROUGH SATURDAY. Tuesday night-Thursday. VFR. MVFR to IFR, with patchy fog during the late evenings, overnights, and into early morning hours each day. Thursday night-Saturday. MVFR possible. A Chance of showers and thunderstorms.

MARINE. Locally dense fog into Tuesday morning on the coastal waters with visibility at times below a half mile. The fog should dissipate by the late morning and early afternoon. Surface high pressure over the marine zones keeps winds light 5-10 kts out of the northeast. As the this shifts east Tuesday winds become more southerly but remain 5-10 kts. Waves stay 3-4 feet over the ocean waters and hover 1-2 feet in the Long Island Sound.

High pressure over the Western Atlantic will keep winds and seas below SCA levels through Thursday. Some fog is possible both Wednesday and Thursday morning. Winds increase ahead of a cold front on Friday and could come close to 25 kt on the ocean. Ocean seas may also build to around 5 ft. Winds should gradually weaken Friday night into Saturday, but 5 ft ocean seas may persist into the first half of the weekend.

HYDROLOGY. No significant hydrologic impacts are expected through Thursday. Showers and thunderstorms are are possible Friday into Saturday with a 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 . Dense Fog Advisory until 10 AM EDT Tuesday for ANZ330-335-338- 340-345-350-353-355.

SYNOPSIS . DJ NEAR TERM . JE/DS SHORT TERM . DJ LONG TERM . DS AVIATION . JE MARINE . DJ HYDROLOGY . DJ EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44040 - Western Long Island Sound 13 mi30 min ENE 5.8 G 7.8 57°F 1 ft56°F
BRHC3 - 8467150 - Bridgeport, CT 14 mi42 min E 2.9 G 4.1 57°F 59°F1022.8 hPa
44022 - Execution Rocks 22 mi30 min NE 5.8 G 7.8 58°F 32°F58°F
KPTN6 - 8516945 - Kings Point, NY 27 mi42 min ENE 1 G 2.9 58°F 1023.7 hPa
NWHC3 - 8465705 - New Haven, CT 30 mi42 min ESE 1.9 G 4.1 57°F 58°F1022.8 hPa
BATN6 - 8518750 - The Battery, NY 42 mi42 min 58°F 58°F1023.2 hPa
ROBN4 - 8530973 - Robins Reef, NJ 46 mi42 min S 7 G 8 56°F 1023 hPa

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bridgeport, Sikorsky Memorial Airport, CT16 mi38 minENE 61.00 miFog/Mist57°F55°F96%1023.3 hPa
White Plains - Westchester County Airport, NY16 mi34 minN 02.00 miFog/Mist58°F57°F97%1022.7 hPa
Danbury, Danbury Municipal Airport, CT19 mi37 minSSE 35.00 miFog/Mist59°F59°F100%1023.2 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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Last 24hrE4E4N3CalmCalmNE3N3N3NE55E5Calm3S6SE5SE7E6SE5SE6SE4SE4SE3CalmCalm
1 day ago6NE5E7NE5NE6NE4E7NE7E7E6S7SE7
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2 days agoSE3E3E3E3E3NE4E6E5E9E7E6E6E5E6E7E9NE9
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Tide / Current Tables for South Norwalk, Connecticut
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South Norwalk
Click for Map
Tue -- 02:14 AM EDT     7.85 feet High Tide
Tue -- 05:26 AM EDT     Sunrise
Tue -- 08:34 AM EDT     Moonrise
Tue -- 08:49 AM EDT     0.19 feet Low Tide
Tue -- 02:51 PM EDT     7.04 feet High Tide
Tue -- 08:15 PM EDT     Sunset
Tue -- 08:59 PM EDT     1.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.87.27.87.66.44.72.91.40.50.20.92.34.15.76.776.55.23.72.31.41.11.52.8

Tide / Current Tables for Stamford, Connecticut
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Stamford
Click for Map
Tue -- 02:07 AM EDT     8.14 feet High Tide
Tue -- 05:27 AM EDT     Sunrise
Tue -- 08:34 AM EDT     Moonrise
Tue -- 08:38 AM EDT     0.17 feet Low Tide
Tue -- 02:42 PM EDT     7.20 feet High Tide
Tue -- 08:15 PM EDT     Sunset
Tue -- 08:46 PM EDT     0.93 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.97.58.17.86.753.11.30.30.20.92.245.877.26.55.33.82.21.211.52.7

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (0,6,7,8)
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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.