Tuesday, March9, 2021
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Marine Weather and Tides
Stamford, CT

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 6:13AMSunset 5:55PM Tuesday March 9, 2021 6:16 AM EST (11:16 UTC) Moonrise 5:31AMMoonset 2:56PM Illumination 18% Phase: Waning Crescent; Moon at 25 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- 551 Am Est Tue Mar 9 2021
Today..SW winds 10 to 15 kt with gusts up to 20 kt, becoming W this afternoon. Seas around 2 ft.
Tonight..NW winds 5 to 10 kt, becoming N after midnight. Seas 1 ft or less.
Wed..E winds around 5 kt, becoming se in the afternoon. Seas 1 ft or less.
Wed night..S winds 5 to 10 kt. Seas 1 ft or less.
Thu..SW winds 5 to 10 kt. Seas 1 ft or less.
Thu night..SW winds 10 to 15 kt. Seas 1 ft or less.
Fri..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Chance of showers.
Fri night..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Sat..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Sat night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less.
ANZ300 551 Am Est Tue Mar 9 2021
Synopsis for the long island waters and new york harbor.. A weak cold front will move across the region this morning into early afternoon. High pressure then builds in from the west tonight and shifts to the east on Wednesday. A slow moving frontal system approaches on Thursday and moves through the area Friday and Saturday. A strong cold front moves through the area on Saturday before high pressure takes hold on Sunday. Another frontal system looks to approach from the west early next week.


7 Day Forecast for Marine Location Near Stamford, CT
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location: 41.05, -73.53     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 091057 AFDOKX

Area Forecast Discussion National Weather Service New York NY 557 AM EST Tue Mar 9 2021

SYNOPSIS. A weak cold front will move across the region this morning into early afternoon. High pressure then builds in from the west tonight and shifts to the east on Wednesday. A slow moving frontal system approaches on Thursday and moves through the area Friday and Saturday. A strong cold front moves through the area on Saturday before high pressure takes hold on Sunday. Another frontal system looks to approach from the west early next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. A vigorous shortwave slides SE through northern New England today, with a weak surface trough moving through the region this late this morning.

Morning clouds and spotty sprinkles/sleet pellets will give way to mostly sunny skies (outside of a thin veil of cirrus) and gusty WNW flow this afternoon. Downslope flow should allow temps to rise into the upper 50s to lower 60s across the coastal plain, and lower to mid 50s interior (10-15 degrees above seasonable). HRRR, which does very well in these early season downslope scenarios was used for temps. This is close to the 90 percentile of NBM.

SHORT TERM /6 PM THIS EVENING THROUGH THURSDAY/. Ridging aloft will builds in tonight through Wednesday, while at the surface high pressure slides in from the west tonight and then gradually east on Wed.

Good radiational cooling conds expected tonight with lows in the 20s across outlying areas and 30 to around 40s closer to urban centers. A light flow and sunshine Wed morning should allow for quick warming, but a strengthening onshore flow as high pressure slides offshore will result in an increasing maritime influence, particularly coastal plain. This will likely result in temps that are slightly cooler than today along the coastal plain on Wed (lower to mid 50s), with far NW areas possibly slightly warmer than today (near 60 degrees) with a greater mixed layer depth.

Upper ridge axis slides east Wed Night into Thu, with a longwave trough beginning to slide into the north Central US and Great Lakes. At the surface a series of low pressure systems will track NE from the Central Plains into the Great Lakes, while high pressure settles into a Bermuda-type setup and remains in control locally. This will have a deep SW flow aloft and waa flow up the East Coast. A weak cold front that passed to the south of the region today will return as a warm front Wed Night. Ahead of it, with a strengthening inversion and onshore flow, stratus development is likely Wed Night into Thu morning. In addition, likely some mid and high cloud cover streaming into the region. Temps Wed night should be mild though with cloud cover and S/SE flow, generally mid 30s outlying areas to lower 40s city/coast.

Cloud cover and timing of stratus erosion, particularly near the coast will present some challenges for forecast temps on Thu. With 900 hpa temps around 11-12c, if mixing is fully realized to this height, temps across parts of NYC/NJ metro and areas to the N&W have potential to rise into the lower 70s to 75 (near record levels for the date). MOS guidance and model blends surface temps tend to be too cool this time of year (pre- greenup) in this type of regime with deep SW flow, good mixing, and temps aloft running +2 STD. For now, will continue with a bit more conservative forecast based on forecast time window, with highs in the 50s along the south coasts (NBM), and mid to upper 60s for NYC/NJ metro and pts N&W (NBM/NBM 90th blend). But there is potential for temps to be trended a few degrees higher, mainly away from marine influence.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/. A low pressure system over the Upper Midwest and southern Canada will allow the pressure gradient to tighten over the area with high pressure remaining just offshore. This will allow for a continued S/SW flow over the area with temperatures remaining above average through the end of the week. The S/SW flow will bring in more moisture as well allowing for skies to be partly to mostly cloudy at times. High temperatures on Friday could once again be 10-20 degrees above average and a nice preview of Spring.

As the cold front approaches the area on Friday, a chance of rain showers will be possible with a relatively moist and warm airmass ahead of the front.

Models have come into good agreement on a strong polar shortwave moving through New England Friday Night/Saturday, pushing a strong cold front through the region, with a return to a late winter chill on Saturday on a breezy NW flow.

High pressure system moves into the area on Sunday and into the beginning of next week with the next frontal system approaching the area sometime in the late Monday to Tuesday timeframe.

AVIATION /12Z TUESDAY THROUGH SATURDAY/. A warm front will move across early this morning, followed by a cold front later this morning into this afternoon. Strong high pressure will then build from the west later this afternoon through tonight.

Mainly VFR. Brief MVFR possible before daybreak in spotty light rain, mainly north/east of the NYC metros.

SSW flow this morning will veer to the WNW this morning, and to the NW this evening, and NE by 12Z Wed.

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

No unscheduled amendments expected thru 09Z.

OUTLOOK FOR 06Z WEDNESDAY THROUGH SATURDAY. Late tonight and Wednesday. VFR. Wednesday night. MVFR or lower in stratus possible for coastal terminals. Thursday. MVFR or lower AM coastal terminals, then VFR. S-SW winds G15-20 kt. Friday. Mainly VFR. Chance of showers. S-SW winds G20-25 kt, becoming W-NW late afternoon/evening. Saturday. Mainly VFR. Low chance of AM showers. NW winds G25-30kt.

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

MARINE. Marginal SW SCA gusts, particularly for ocean waters east of Fire Island Inlet this morning ahead of an approaching trough. Winds expected to shift W/NW this afternoon with winds subsiding across the ocean waters, and gusts to 20 kt for the nearshore waters.

Tranquil conditions return tonight as high pressure builds in. Sub-SCA conditions continue on all waters on Wednesday and Wednesday night with high pressure sliding offshore. SW winds will increase late Wed Night into Thu to 15-20 kt. With a rather strong inversion, wind gusts may remain below SCA until Thu Night. Ocean seas should gradually build to SCA in the persistent SW flow Thu Night into Fri.

Potential for SCA and/or gale conditions on all waters late Fri Night into Sat with a strong cold frontal passage.

FIRE WEATHER. There have been dry conditions going back about 7 days, with all but the snowpiles having melted along the coastal plain. Low level relative humidity of around 25 to 35 percent and gusts of 20 to 25 mph are expected this afternoon. NJ state fire weather partners are indicating fuels are still moist across NJ, which is likely the case for much of the coastal plain.

HYDROLOGY. No hydrologic concerns are expected.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 1 PM EST this afternoon for ANZ350- 353.

SYNOPSIS . NV NEAR TERM . NV SHORT TERM . NV LONG TERM . NV/MW AVIATION . BG MARINE . NV FIRE WEATHER . NV HYDROLOGY . NV


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44022 - Execution Rocks 16 mi31 min S 9.7 G 12 39°F 27°F
BRHC3 - 8467150 - Bridgeport, CT 20 mi46 min SSW 4.1 G 6 38°F 37°F1025 hPa
KPTN6 - 8516945 - Kings Point, NY 21 mi46 min SW 8.9 G 9.9 40°F 1026.6 hPa
BATN6 - 8518750 - The Battery, NY 35 mi46 min 39°F 38°F1026.6 hPa
NWHC3 - 8465705 - New Haven, CT 37 mi46 min SSW 6 G 7 38°F 37°F1026.2 hPa
ROBN4 - 8530973 - Robins Reef, NJ 39 mi46 min WSW 11 G 13 40°F 1026.1 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 43 mi46 min 40°F 1025.9 hPa
MHRN6 44 mi46 min SSW 7 G 11
44039 - Central Long Island Sound 47 mi76 min SW 7.8 G 12 39°F 36°F1 ft
44065 - Entrance to New York Harbor 48 mi26 min SW 12 G 14 41°F3 ft1026.2 hPa
SDHN4 - 8531680 - Sandy Hook, NJ 48 mi46 min W 12 G 13 41°F 1027.1 hPa

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
White Plains - Westchester County Airport, NY10 mi20 minVar 410.00 miMostly Cloudy40°F13°F33%1025.4 hPa
Danbury, Danbury Municipal Airport, CT22 mi23 minN 010.00 miMostly Cloudy35°F22°F59%1025.2 hPa
Farmingdale - Republic Airport, NY23 mi23 minWSW 710.00 miOvercast40°F24°F53%1026.1 hPa
Bridgeport, Sikorsky Memorial Airport, CT23 mi24 minWSW 410.00 miOvercast38°F30°F73%1025.2 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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Last 24hrNW8NW13N9NW8W7NW8W10W9NW9NW9NW6CalmCalmCalmCalmCalm43CalmSW333SW34
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Tide / Current Tables for Stamford, Connecticut
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Stamford
Click for Map
Tue -- 02:05 AM EST     0.28 feet Low Tide
Tue -- 04:30 AM EST     Moonrise
Tue -- 06:15 AM EST     Sunrise
Tue -- 08:16 AM EST     7.56 feet High Tide
Tue -- 01:56 PM EST     Moonset
Tue -- 02:47 PM EST     -0.30 feet Low Tide
Tue -- 05:54 PM EST     Sunset
Tue -- 08:54 PM EST     6.94 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.80.70.30.723.95.76.97.57.36.34.52.61-0-0.30.52.145.66.66.96.45.1

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Tue -- 02:01 AM EST     0.90 knots Max Flood
Tue -- 04:31 AM EST     Moonrise
Tue -- 05:39 AM EST     -0.00 knots Slack
Tue -- 06:16 AM EST     Sunrise
Tue -- 08:28 AM EST     -0.66 knots Max Ebb
Tue -- 12:05 PM EST     0.00 knots Slack
Tue -- 01:58 PM EST     Moonset
Tue -- 02:27 PM EST     0.92 knots Max Flood
Tue -- 05:55 PM EST     Sunset
Tue -- 06:08 PM EST     -0.00 knots Slack
Tue -- 08:55 PM EST     -0.68 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.60.90.70.30.1-0.1-0.4-0.6-0.6-0.4-0.2-00.40.90.80.50.20-0.3-0.6-0.7-0.5-0.3

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