Saturday, October23, 2021
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Marine Weather and Tides
Wethersfield, CT

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 7:11AMSunset 5:58PM Saturday October 23, 2021 5:40 PM EDT (21:40 UTC) Moonrise 7:40PMMoonset 10:04AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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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ANZ331 Long Island Sound East Of New Haven Ct/port Jefferson Ny To The Mouth Of The Connecticut River- 333 Pm Edt Sat Oct 23 2021
Tonight..NW winds around 10 kt. Seas 1 ft or less. Chance of showers, mainly this evening.
Sun..NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less.
Sun night..SW winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 ft or less. Rain likely after midnight.
Mon..S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Rain likely in the morning.
Mon night..SE winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Showers likely in the evening, then showers after midnight with vsby 1 to 3 nm.
Tue..E winds 5 to 10 kt. Seas 1 ft or less, then 1 to 2 ft in the afternoon. Showers, mainly in the morning. Vsby 1 to 3 nm.
Tue night..N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 1 to 2 ft. Showers likely.
Wed..N winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Chance of showers.
Wed night..N winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft.
Thu..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft.
Thu night..NE winds around 10 kt with gusts up to 20 kt. Seas 1 to 2 ft. Chance of showers.
ANZ300 333 Pm Edt Sat Oct 23 2021
Synopsis for the long island waters and new york harbor.. A weak surface trough will move across the area this evening, followed by weak high pressure building in from the west tonight into the first half of Sunday. The high gives way to an approaching warm front Sunday evening that stalls near the area on Monday. Low pressure affects the region Monday night into Wednesday.


7 Day Forecast for Marine Location Near Wethersfield, CT
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location: 41.71, -72.65     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 231930 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 330 PM EDT Sat Oct 23 2021

SYNOPSIS.

Seasonably cool and dry through Sunday afternoon. A slow moving weather system will bring a rather unsettled/wet weather pattern at times for the upcoming week; beginning late Sunday night. The risk for heavy rain along with nuisance poor drainage street flooding is possible late Monday night into Tuesday.

NEAR TERM /UNTIL 6 AM SUNDAY MORNING/.

325 PM Update .

A moisture starved shortwave will move across the southern portion of our region this evening. It will result in mainly a period of cloudiness, but a brief sprinkle/spot shower or two across CT and areas near the south coast roughly between 8 pm and 2 am. Otherwise, across the rest of the region except mainly clear skies with light winds for most of the night. This coupled with a dry airmass in place will allow for a good night of radiational cooling. Low temperatures will bottom out mainly in the middle 30s to the lower 40s. This will result in areas of frost in the typically prone areas. We did expand the Frost Advisory into our zones that were still active.

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

Highlights .

* Dry weather on Sunday with seasonably temperatures * Rain overspreads from west to east Sun night between 10 PM & 3 AM

Details .

Sunday .

A brief ridge of high pressure will result in dry/pleasant weather continuing into Sunday. Light winds along with plenty of sunshine will result in a very comfortable afternoon. We should see some mid- high level cloudiness increase from the west by late in the afternoon, but will not have much of an impact. 850T around 0C will result in seasonable temperatures with highs in the upper 50s to near 60.

Sunday night .

Clouds will be on the increase and also thicken up Sunday evening in advance of a wave of low pressure. This will induce a modest southwest LLJ of 40-50 knots riding over cool shallow in version in the boundary layer. This will result in a band of mid level lift inducing a period of widespread rain developing. Time of arrival is roughly between 10 pm and 3 am from southwest to northeast. The heavier rain should setup north of the south coast and particularly in northern MA where the better forcing resides. Low temperatures should mainly be in the 40s.

LONG TERM /MONDAY THROUGH SATURDAY/.

Highlights

* Wet and unsettled pattern next week * Several inches of rain expected for southern New England by next weekend

Monday through Tuesday Night

The long term forecast will be highlighted by persistent cyclonic flow over the eastern half of the US. The first half of the week will feature a mid-latitude cyclone developing over the Midwest and moving eastward toward southern New England. We'll see a round of rain and showers along an associated warm front that will be situated over southern New England on Monday. May also see a period of strong gusty winds over The South Coast and The Cape as a 40-50 knot low-level jet at 925 hPa moves over the south coastal waters.

More substantial rainfall is forecast Monday night into Tuesday as the low moves off the east coast and intensifies. Model guidance is suggesting that strong frontogenesis will develop over the south coast which will support periods of moderate to heavy rainfall across southern New England on Tuesday. Will need to monitor this time period carefully as we can't rule out precipitation rates capable of producing urban and small stream flooding.

Wednesday and Thursday

By Wednesday morning there is a fair degree of spread in the models with respect to the location of the surface low-pressure center. Consulting ensemble guidance the consensus is for the low to be located just southeast of MVY and ACK. This will continue to support rain/shower chances across southern New England. By this time however, the system will be in decay and rainfall rates should not be as impressive as what we'll see on Tuesday. As the system continues to drift east over the coastal waters on Thursday the interior will see a break in the wet period. The coastal areas however may continue to see some drizzle or light showers as onshore flow persists.

Friday through Sunday

Another low-pressure system develops late week and brings another chance for substantial rain on Friday and next weekend. Gusty winds will again be a possibility as models are hinting at the development of a strong low-level jet over southern New England. Consulting ensemble model guidance, total rainfall between this system and the Monday-Wednesday system could reach 3-6 inches for portions of southern New England by Saturday.

AVIATION /20Z SATURDAY THROUGH THURSDAY/.

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

18Z TAF Update .

Tonight . High Confidence. VFR despite a band of mid level cloudiness particularly across CT and areas near the south coast. Light-calm winds.

Sunday . High Confidence. VFR conditions continue with west winds of 5 to 10 knots.

Sunday night . High Confidence. VFR conditions in the early evening will give way to MVFR-IFR levels from west to east . roughly between 04z and 08z. This rain will probably arrive 1-3 hours before the lower cigs/vsbys. Light winds will become E to NE by daybreak.

KBOS Terminal . High confidence in TAF.

KBDL Terminal . High confidence in TAF.

Outlook /Monday through Thursday/ .

Monday: MVFR/IFR conditions possible. Breezy. Chance RA.

Monday Night: Mainly IFR, with local MVFR possible. Breezy. RA.

Tuesday: Mainly IFR, with areas MVFR possible. Breezy. RA likely.

Tuesday Night: MVFR/IFR conditions possible. Breezy. RA likely.

Wednesday: Mainly VFR, with local IFR possible. Breezy. RA likely.

Wednesday Night: Mainly VFR, with local MVFR possible. Breezy. Chance RA.

Thursday: Mainly VFR, with local MVFR possible. Breezy. Slight chance SHRA.

MARINE.

Forecaster Confidence Levels.

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

Tonight and Sunday . High Confidence. A ridge of high pressure will build in from the west tonight into Sunday. This will keep conditions below SCA thresholds with winds from the west mainly in the 10 to 15 knot range.

Sunday night . High Confidence. Wave of low pressure will approach from the west along an associated warm front near the south coast. The result will be winds shifting to the E in our northern waters, but generally remaining light through daybreak Mon. Across our southern waters winds should shift to the south and gusts may reach the lower 20 knots by daybreak.

Outlook /Monday through Thursday/ .

Monday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of seas approaching 5 ft. Chance of rain.

Monday Night: Winds less than 25 kt. Seas up to 5 ft. Chance of rain.

Tuesday: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Rough seas up to 10 ft. Rain likely. Local visibility 1 to 3 nm.

Tuesday Night: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Rough seas up to 11 ft. Rain likely.

Wednesday: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Rough seas up to 12 ft. Chance of rain.

Wednesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Rough seas up to 12 ft. Chance of rain.

Thursday: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Rough seas up to 12 ft. Chance of rain showers.

BOX WATCHES/WARNINGS/ADVISORIES. CT . Frost Advisory from midnight tonight to 8 AM EDT Sunday for CTZ003-004. MA . Frost Advisory from midnight tonight to 8 AM EDT Sunday for MAZ005-006-009>011-013-017-018-026. RI . None. MARINE . None.

SYNOPSIS . Frank/RM NEAR TERM . Frank SHORT TERM . Frank LONG TERM . RM AVIATION . Frank/RM MARINE . Frank/RM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWHC3 - 8465705 - New Haven, CT 33 mi53 min NW 6G7 59°F 65°F1013.5 hPa
NLNC3 - 8461490 - New London, CT 38 mi53 min 59°F 64°F1013.5 hPa
LDLC3 - New London Ledge CT - Ledge Light Weather 41 mi61 min WNW 8G8.9 60°F 1012.2 hPa-19°F
BRHC3 - 8467150 - Bridgeport, CT 47 mi53 min WNW 2.9G7 59°F 66°F1013.2 hPa

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hartford, Hartford-Brainard Airport, CT1 mi48 minWNW 710.00 miMostly Cloudy59°F35°F41%1013.1 hPa
Windsor Locks, Bradley International Airport, CT16 mi50 minNNW 710.00 miMostly Cloudy57°F37°F47%1013.3 hPa
Meriden, Meriden Markham Municipal Airport, CT17 mi48 minVar 310.00 miOvercast58°F38°F48%1013.3 hPa
Chester, Chester Airport, CT24 mi46 minN 010.00 miA Few Clouds59°F39°F48%1013.2 hPa

Link to 5 minute data for KHFD

Wind History from HFD (wind in knots)
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Last 24hrNW7N8N7N9N8N7N6N5N3N8N7NW5N43N3NW4N4N400NW855NW7
1 day agoS7S7S7S6S4SE5S5S60S6S4S4SW6S6S5SW46W6NW8W45SW3W6NW4
2 days agoW4S300N300S30000000SE3SE4SE5SE7S8S11
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Tide / Current Tables for Rocky Hill, Connecticut
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Rocky Hill
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Sat -- 04:14 AM EDT     1.96 feet High Tide
Sat -- 07:12 AM EDT     Sunrise
Sat -- 10:04 AM EDT     Moonset
Sat -- 11:31 AM EDT     0.46 feet Low Tide
Sat -- 04:23 PM EDT     2.43 feet High Tide
Sat -- 05:56 PM EDT     Sunset
Sat -- 07:39 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Portland, Connecticut
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Portland
Click for Map
Sat -- 03:21 AM EDT     2.14 feet High Tide
Sat -- 07:12 AM EDT     Sunrise
Sat -- 10:04 AM EDT     Moonset
Sat -- 10:15 AM EDT     0.49 feet Low Tide
Sat -- 03:30 PM EDT     2.64 feet High Tide
Sat -- 05:56 PM EDT     Sunset
Sat -- 07:39 PM EDT     Moonrise
Sat -- 10:59 PM EDT     0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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