Monday, April19, 2021
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Marine Weather and Tides
Windsor Locks, 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 6:01AMSunset 7:37PM Monday April 19, 2021 5:57 PM EDT (21:57 UTC) Moonrise 10:58AMMoonset 1:57AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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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ANZ330 Long Island Sound East Of New Haven Ct/port Jefferson Ny- 600 Am Edt Tue Mar 30 2021
Today..E winds around 5 kt, becoming S late this morning and afternoon. Seas 1 ft or less.
Tonight..S winds around 10 kt. Seas 1 to 2 ft.
Wed..S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of showers in the morning, then chance of rain in the afternoon.
Wed night..S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 nm.
Thu..W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers.
Thu night..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Fri..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Fri night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sat..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sat night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
ANZ300 325 Pm Edt Mon Apr 19 2021
Synopsis for the long island waters and new york harbor.. Weak high pressure remains over the waters today as an upper level disturbance moves across the region. The high moves offshore tonight into Tuesday. A strong cold front approaches Tuesday night, moving across the waters late Wednesday. High pressure follows for the end of the week.


7 Day Forecast for Marine Location Near Windsor Locks, CT
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location: 41.92, -72.63     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 191944 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 344 PM EDT Mon Apr 19 2021

SYNOPSIS. Tuesday looks to be pick of the week with many locations breaking 70 along with generally dry weather. A warm front lifts across southern New England early Wednesday and a cold front brings rain, wind, and rumbles of thunder during the afternoon. Thursday is a transition day, before more pleasant weather arrives for Friday and Saturday.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/.

Some scattered showers with an isolated thunderstorm are possible through early this evening. Then as the weak H5 shortwave departs, expect mainly dry conditions overnight as weak ridging builds back into Southern New England. Clearing skies along with light winds should allow for good radiational cooling. Some radiation fog may be possible in the typical fog-prone valley locations. Overnight lows generally in the upper 30s to low 40s.

SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/.

Tuesday .

Tuesday is expected to be the pick of the week as a H5 ridge briefly builds into Southern New England. With 925 mb temperatures between +11 to +13C and good southwest flow (and resultant downsloping), expect highs to be around 70 to 75, except cooler along the immediate south coast and the Cape and Islands. With deep mixing up to 800-850mb, sea breezes should be kept at bay for much of the Eastern MA coast. While most of us will see plenty of sunshine and dry weather, cannot rule out an isolated shower especially north of the Mass Pike as a shortwave trough passes well to our north.

In addition, there could potentially be an elevated risk for fire danger with minimum relative humidity between 25 to 30 percent away from the immediate south coast as well as the Cape and Islands. The recent rain may help to mitigate the risk, however.

Tuesday night .

By Tuesday evening, our attention turns to an amplifying mid level trough and strengthening frontal wave crossing the Great Lakes. Expect clouds to be on the increase, which will help keep temperatures milder, with lows generally in the mid 40s. CAM guidance suggests that most of us should stay dry with better chances for precipitation across our Northwestern zones latter half of the night.

LONG TERM /WEDNESDAY THROUGH MONDAY/.

Highlights .

* Showers & embedded thunderstorms possible Wednesday as a cold front sweeps across the region.

* Cool & raw Thursday with breezy conditions.

* Quiet & comfortable conditions for Friday and Saturday. Unsettled conditions return Sunday.

Wednesday .

Model guidance continues to support a deepening mid-level trough and surface low pressure system moving across the northeast through Wednesday. A warm front noses north during the morning hours which will put much of southern New England into the warm sector of the system - allowing many to climb into the low and middle 60s and dewpoints in the low 50s. Expecting gusty southwesterly winds ahead of the cold front as a 925mb low level jet passes overhead - BUFKIT soundings support deep mixing to over 900mb with lapse rates ranging between 7.0 & 9.0 C/KM during the early afternoon hours. Depending on the timing of the cold front with the movement of the LLJ storms during the afternoon could produce isolated wind gusts to 50mph in embedded showers and t'storms. SPC places southern New England outside of a marginal risk for thunderstorm - something we will keep an eye on moving forward. The cold front will move across the region from west to east during the mid to late afternoon hours with a widespread soaking rain.

Wednesday Night and Thursday .

The cold front passes and we are placed on the backside of the area of low pressure. The center of the low moves northeast towards Nova Scotia and deepens. Southern New England is in the middle of a tight pressure gradient, the low to our northeast and an area of high pressure to our south. Given the strong CAA steepening lapse rates even into the overnight, gusty winds are expected which could be strong enough to consider wind headlines. CAA overnight will drop temperatures into the low 30s across much of southern New England and the upper 20s for the higher terrain of northwestern MA. Northwest flow will continue through the day and will keep temperatures in the 40s to 50 degrees. A few wrap around showers especially across the higher terrain aren't out of the question across western MA/CT.

Friday and Saturday .

High pressure builds in from the south and allows for quiet and dry weather. Temperatures return the the mid and upper 50s for Friday. Saturday we reach well into the 60s.

Sunday .

Models suggest a coastal low pressure system will move off shore impacting southern New England with rain and wind. Still too early to dive into details at this time, but we will continue to monitor.

AVIATION /20Z MONDAY THROUGH SATURDAY/. Forecaster Confidence Levels.

Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.

Through 00z . High Confidence. VFR conditions dominate. Main concern is for a few scattered showers and even an isolated thunderstorm through the early evening hours. Best chance for a thunderstorm is over western MA/northern CT. SW winds 5 to 10 kt, except for localized sea breezes along the eastern MA coast.

Tonight . High Confidence. Any scattered showers should dissipate by mid evening. Otherwise, mainly VFR conditions tonight with perhaps some localized patchy ground fog late in the typically prone locations. Light/Calm winds.

Tuesday . High Confidence. VFR conditions expected. SW winds will gust to around 25 knots during the afternoon.

Tuesday night . High Confidence. Mainly VFR conditions with increasing clouds. Scattered showers possible after midnight for the western terminals. SW winds turning S at 5-10 kt.

KBOS TAF . High confidence in TAF.

KBDL TAF . High confidence in TAF.

Outlook /Wednesday through Saturday/ .

Wednesday: Mainly VFR, with local MVFR possible. Breezy. Chance SHRA, slight chance TSRA.

Wednesday Night: Mainly VFR, with local MVFR possible. Windy with local gusts up to 30 kt. Chance SHRA.

Thursday: VFR. Windy with gusts up to 35 kt.

Thursday Night: VFR. Windy with areas of gusts up to 35 kt.

Friday through Saturday: VFR. Breezy.

MARINE. Tonight . High Confidence. Weak pressure gradient will keep winds and seas below small craft advisory thresholds.

Tuesday . High Confidence. A good setup for gusty nearshore winds during the afternoon. Good surface heating should yield SW wind gusts of 25 kt and choppy seas, particularly near shore. Have opted not to hoist Small Craft Advisories at this point as the 25 kt gusts should be fairly localized and transient.

Tuesday night . High Confidence. Winds diminish well below SCA threshold but seas may approach 5 ft for the southern outer waters.

Outlook /Wednesday through Saturday/ .

Wednesday: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Seas up to 5 ft. Slight chance of rain showers, slight chance of thunderstorms, patchy fog.

Wednesday Night: Strong winds with gusts up to 30 kt. Areas of rough seas. Rain showers likely, patchy fog.

Thursday through Thursday Night: Strong winds with gusts up to 30 kt. Rough seas up to 10 ft.

Friday: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of rough seas.

Friday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Local rough seas.

Saturday: Winds less than 25 kt. Seas locally approaching 5 ft.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . None.

SYNOPSIS . Chai/Gaucher NEAR TERM . Chai SHORT TERM . Chai LONG TERM . Gaucher AVIATION . Chai/Gaucher MARINE . Chai/Gaucher


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWHC3 - 8465705 - New Haven, CT 46 mi58 min SSW 7 G 8 56°F 49°F1010.4 hPa (-0.0)
NLNC3 - 8461490 - New London, CT 48 mi58 min 60°F 1009.6 hPa (-0.0)
LDLC3 - New London Ledge CT - Ledge Light Weather 52 mi48 min SSW 12 G 12 52°F 1009 hPa38°F

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Windsor Locks, Bradley International Airport, CT3 mi67 minWSW 810.00 miMostly Cloudy61°F39°F44%1008.6 hPa
Hartford, Hartford-Brainard Airport, CT13 mi65 minWSW 109.00 miLight Rain61°F39°F45%1009.5 hPa
Westfield, Barnes Municipal Airport, MA17 mi65 minS 610.00 miOvercast61°F37°F41%1008.7 hPa
Chicopee Falls / Westover Air Force Base, MA21 mi62 minN 010.00 miMostly Cloudy64°F35°F34%1008.8 hPa

Link to 5 minute data for KBDL

Wind History from BDL (wind in knots)
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Last 24hrW12W10W10NW8W9W4W6W3CalmW3SW3CalmCalmCalmS3CalmCalmCalmS93S4S7W21
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1 day agoN11N5NE3NW3CalmCalmCalmW3CalmW3CalmCalmCalmCalmCalmCalmE3CalmW8NW9NW7W10NW12
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Tide / Current Tables for Hartford, Connecticut
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Hartford
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Mon -- 01:57 AM EDT     Moonset
Mon -- 04:13 AM EDT     0.70 feet Low Tide
Mon -- 06:03 AM EDT     Sunrise
Mon -- 08:24 AM EDT     1.91 feet High Tide
Mon -- 10:59 AM EDT     Moonrise
Mon -- 05:05 PM EDT     0.38 feet Low Tide
Mon -- 07:36 PM EDT     Sunset
Mon -- 09:24 PM EDT     1.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.90.80.70.81.31.71.91.91.81.61.31.10.90.70.50.40.611.31.51.51.4

Tide / Current Tables for Rocky Hill, Connecticut
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Rocky Hill
Click for Map
Mon -- 01:56 AM EDT     Moonset
Mon -- 03:05 AM EDT     0.75 feet Low Tide
Mon -- 06:03 AM EDT     Sunrise
Mon -- 07:38 AM EDT     2.02 feet High Tide
Mon -- 10:59 AM EDT     Moonrise
Mon -- 03:57 PM EDT     0.41 feet Low Tide
Mon -- 07:35 PM EDT     Sunset
Mon -- 08:38 PM EDT     1.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.90.80.70.91.31.8221.91.71.41.10.90.70.50.40.611.41.61.61.51.3

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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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