Wethersfield, CT Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Wethersfield, CT


December 6, 2023 12:48 AM EST (05:48 UTC)
Sunrise 7:01AM   Sunset 4:21PM   Moonrise  1:20AM   Moonset 2:00PM 

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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- 916 Pm Est Tue Dec 5 2023
Tonight..NE winds 5 to 10 kt. Seas 1 ft or less. Slight chance of rain and snow showers after midnight with vsby 1 to 3 nm.
Wed..N winds 10 to 15 kt. Seas 1 ft or less, then 1 to 2 ft in the afternoon. Slight chance of rain and snow showers in the morning with vsby 1 to 3 nm.
Wed night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Thu..NW winds around 10 kt. Seas 1 to 2 ft in the morning, then 1 ft or less.
Thu night..W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 ft or less.
Fri..W winds 5 to 10 kt. Seas 1 ft or less.
Fri night..SW winds 5 to 10 kt. Seas 1 ft or less.
Sat..SW winds 5 to 10 kt. Seas 1 ft or less.
Sat night..S winds 5 to 10 kt. Seas 1 ft or less.
Sun..S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Rain likely.
Sun night..SW winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 nm.

ANZ300 916 Pm Est Tue Dec 5 2023
Synopsis for the long island and connecticut coastal waters.. Weak high pressure gives way tonight to a developing low that develops well to the south of the area on Wednesday. High pressure noses in from the south on Thursday as a warm front approaches from the west. The warm front will lift north of the region Friday into Saturday. A strong frontal system approaches from the west Sunday with its associated cold front moving across Sunday night.


7 Day Forecast for Marine Location Near Wethersfield, CT
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Area Discussion for - Boston, MA
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FXUS61 KBOX 060337 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1037 PM EST Tue Dec 5 2023

SYNOPSIS
Snow showers impact areas mainly near the coast later tonight into Wednesday morning with accumulations generally less than 1 inch, except for a small area from Cape Ann to the South Shore, where a few inches are possible. Dry, but cold, weather follows later Wednesday into Thursday. Tranquil and dry weather prevails Friday into early in the weekend, with a steady warming trend to temps starting on Thurs and trending above normal Friday into the weekend. A strong frontal system for later Sunday or into Monday may bring a period of downpours, gusty south winds and possible minor coastal flooding but specific details are not yet set in stone.

NEAR TERM /THROUGH WEDNESDAY/
Just some minor tweaks to the forecast this evening to reflect observed radar and last few runs of the HRRR. Still thinking that ocean-effect showers will back into the South Shore, but it will likely be a few more hours to get winds to shift to the NE enough. Snow most likely late tonight into Wednesday morning.
Also made minor tweaks to temperatures.

715 PM Update:

Forecast still looks on track for tonight into early on Wed with no significant changes made with this update.

Most areas are overcast at this hour, although there has been occasional ocean enhanced rain/snow showers over parts of the Mid Cape. Expect conditions to largely stay at this status quo thru at least midnight. Later in the overnight appears that RH increases through a more considerable depth across eastern coastal MA and especially into South Shore as winds become just east of due north. That should favor lowering cloudiness and expanding area of ocean enhanced SHSN into eastern portions of Essex, Suffolk, Norfolk and Plymouth Counties. While it is far from eye-popping, there is some decent snowgrowth from about Bourne northward along the Route 3 corridor and that could lead to steadier areas of snow showers with minor accumulation up to a couple inches in a few spots could develop but think most areas in eastern MA stay below 1 inch of new snow by daybreak.
This is reflected well by highest PoP being focused in this corridor. It still is an open question how far west these bands of snow showers may make it as we move into the early Wednesday morning timeframe, but the odds for any accumulation further west of I-495 seem pretty low.

Expect a slow fall in temps tonight as overcast generally prevails.

Previous discussion:

Key Points...

* Snow showers develop tonight into Wed AM and mainly impact areas near the coast, but may very briefly impact parts of the interior

* A dusting to less than 1" of snow for most locations

* Localized 2-3" amounts possible parts of Eastern Norfolk/PYM/C.Ann

Details....

Tonight into Wednesday AM...

An upper level shortwave trough will be approaching from the west tonight into Wednesday morning. This will result in some low level convergence developing along the coast with ocean enhancement from the land/sea interface. Current radar imagery indicated some spotty light rain/snow showers already impacting portions of the Plymouth county coast and parts of Cape Cod.

We expect the bulk of the snow showers to move onshore onto Cape Ann as well as the south shore later tonight into Wednesday morning. This in response to the shortwave enhancing the low level convergence as well as the land/sea interface enhancement.
Ptype may initially be mixed with rain especially on the very immediate coast given the slight onshore flow and mild SST.
These snow showers will continue to mainly focus across Cape Ann as the south shore into Wednesday morning...which is what we often see in these setups. This will be very localized, but steep low level lapse rates and decent snowgrowth may allow for some robust bands of snow showers to move in off the ocean.

The snow showers should primarily be focused along the coast from the land/sea interface and ocean enhancement. However, a brief window early Wednesday morning may allow for light snow showers to briefly penetrate further inland especially the Worcester Hills where some light upslope may ring out some of the low level moisture.

Snow accumulations of a dusting to less than 1 inch are expected for most locations
However
a very narrow swath may see localized 2-3" snow amounts with a low risk for up to 4". This will tend to be on the mesoscale and is tough to pinpoint the exact locations. Thinking is this may occur across portions of eastern Norfolk/Plymouth County...perhaps a few miles inland from the coast where temps are a few degrees lower and there is a bit of an increase in elevation. We also will need to watch the Cape Ann and the Upper Cape area for these heavier bands of snow showers. We did issue a Special Weather Statement to highlight this concern...especially for travel along the Route 3 corridor on the south shore to the Upper Cape. Across the outer-Cape and the Islands...do expect snow showers but they may be mixed with rain and milder SST should keep accumulations less than 1 inch.

SHORT TERM /WEDNESDAY NIGHT/
Wednesday afternoon and night...

The snow showers should pretty much come to an end Wednesday afternoon across most of the region as the shortwave departs.
However...some ocean effect flurries/snow showers may persist across parts of the Cape into Wednesday night with cold northerly flow
Otherwise
we may see some partial sunshine emerge just before sunset northwest of I-95.

Highs Wednesday afternoon will only be in the middle to upper 30s for most locations. Lows Wednesday night should bottom out in the teens to lower 20s in most locations.

LONG TERM /THURSDAY THROUGH TUESDAY/
Highlights:

* Tranquil late week to early weekend with gradually warming temperatures.

* Strong frontal system around later Sun night/Mon could bring gusty winds, period of steady rain and possible coastal flooding along the south facing coasts but large uncertainty on the timing. Stay tuned! Well above normal temps Sun and possibly into Mon.

Details:

Thursday through Saturday Night:

All in all, this period is relatively straightforward from a forecasting perspective, with high pressure being anchored to our south and offering a steady moderating/warming trend. Temps should return to more seasonable levels by Fri with highs in the mid 40s, then trend above normal by Sat with low-mid 50s highs.

Lower-tropospheric warm front lifts ENE Thurs into Thurs night, although it looks to be a dry frontal passage, it may bring an increase in cloud cover for the afternoon and evening. Aside from that small wrinkle, should be a tranquil stretch of weather with more sun than clouds and modest SW breezes.

Sunday into Monday:

Mid level height pattern becomes significantly amplified in this period with a strong frontal system expected to move across the eastern US and Southern New England at some point in this period. Noted that in today's forecast models that the timing of strong low pressure and associated cold frontal passage has slowed by almost a full 24 hrs more centered later into Sun night into Mon. In an amped- up pattern, the slower outcome would be more favored and the 13z NBM has yet to really catch up and reflect this seemingly slower trend (e.g. it tends to look at the previous model cycle at this forecast time horizon).

This system has the potential to bring a few weather related hazards including a period of gusty southerly winds, hazardous marine conditions, and increasing chances for steady rain with potential for brief downpours along the frontal passage. Notably the global models all show 925 mb S/SSE jet of at least 70 kt Sunday night into Mon - which could lend itself to stronger wind gusts if we are able to mix even a fraction of this jet core to the surface. Period of steadier rains/downpours may be more Sunday night and into Monday early to mid morning. In addition, tidal levels will be on the rise later Sunday and into Monday.
Possible that we could have some coastal flooding concerns along the southern coastlines if the timing of the strongest winds and related storm surge coincides with high tide periods - with these possible coastal flooding concerns around the Sunday overnight/early Mon AM high tide. Variation on the timing makes it difficult to provide any further specifics as yet. Will continue to monitor this system as we move through the rest of the workweek and early weekend.

Above normal temps are favored for this period, especially with the nighttime lows Sunday night. Highs Sunday should be well above mid- December climo in the mid 50s to low 60s (climo is upper 30s to mid 40s), with lows in the 40s. Highs on Monday are more susceptible to frontal timing although above normal temps are still favored until frontal passage.

AVIATION /04Z WEDNESDAY THROUGH SUNDAY/
Forecast Confidence Levels:

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

Tonight and Wednesday...High Confidence.

Low end MVFR-VFR ceilings this evening will tend more towards MVFR as the night wears along, especially across eastern New England. We do expect a round of snow showers to back in off the ocean mainly late tonight into Wed morning. This will primarily impact eastern MA especially Plymouth and eastern Norfolk counties. While these snow showers will be focused near the coast, they probably will very briefly impact much of the region back at least into the Worcester Hills and eastern CT.
These snow showers may bring with them a period of IFR conditions
Ptype will mainly be snow
but some mixing with rain will be possible on the very immediate coast. Snow accumulations of a dusting to 1 inch are expected for much of the region...but a very localized narrow band of 2-4" is possible in the vicinity of Plymouth and eastern Norfolk counties.

By lunch time, any of the remaining snow showers should be confined to mainly Plymouth county, the Cape and Islands. Across the rest of the region conditions should improve to VFR. N winds around 5 to 10 knots except near 15 knots across the Cape/Islands.

Wednesday night...High Confidence.

VFR except perhaps for the Cape where some ocean effect flurries/light snow showers may result in marginal MVFR conditions during the evening.

KBOS Terminal...High confidence in TAF. Main issue is for a period of light snow after 6z through about 15z. Any accumulations should be just a dusting to 1 inch.

KBDL Terminal...High confidence in TAF.

Outlook /Thursday through Sunday/...

Thursday through Saturday Night: VFR.

Sunday: Mainly VFR, with local MVFR possible. Windy with local gusts up to 30 kt. Slight chance RA.

MARINE
Forecaster Confidence Levels:

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

Tonight into Wednesday night...High Confidence.

Winds and seas have temporarily diminished below small craft thresholds across our waters. However, low pressure tracking well southeast of the Benchmark Wed will generate a round of small craft wind gusts Wed afternoon and night aided by the cold air advection behind it. Have hoisted small craft headlines for some of our waters.

Outlook /Thursday through Sunday/...

Thursday through Thursday Night: Winds less than 25 kt. Seas locally approaching 5 ft.

Friday through Saturday Night: Winds less than 25 kt.

Sunday: Low risk for Small Craft Advisory winds with gusts up to 30 kt. Seas locally approaching 5 ft. Slight chance of rain.

BOX WATCHES/WARNINGS/ADVISORIES
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory from 11 AM to 11 PM EST Wednesday for ANZ231>235-256.
Small Craft Advisory from 11 AM Wednesday to 7 AM EST Thursday for ANZ254-255.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
NWHC3 - 8465705 - New Haven, CT 33 mi49 min NE 7G8.9 37°F 47°F30.01
NLHC3 38 mi55 min 36°F 46°F29.99
LDLC3 - New London Ledge CT - Ledge Light Weather 41 mi24 min NNE 8.9G9.9 36°F
BRHC3 - 8467150 - Bridgeport, CT 47 mi49 min ENE 4.1G5.1 37°F 51°F29.96

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Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KHFD HARTFORDBRAINARD,CT 2 sm55 minNNE 0410 smOvercast36°F25°F64%30.02
KBDL BRADLEY INTL,CT 16 sm57 minN 0310 smMostly Cloudy34°F25°F69%30.02
KMMK MERIDEN MARKHAM MUNI,CT 17 sm55 mincalm10 smOvercast34°F28°F80%30.01
KSNC CHESTER,CT 24 sm13 minN 0310 smOvercast32°F27°F80%29.97

Wind History from HFD
(wind in knots)


Tide / Current for Hartford, Connecticut
   
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Hartford
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Tue -- 12:51 AM EST     Last Quarter
Tue -- 04:07 AM EST     0.32 feet Low Tide
Tue -- 07:02 AM EST     Sunrise
Tue -- 08:54 AM EST     1.71 feet High Tide
Tue -- 12:42 PM EST     Moonset
Tue -- 04:20 PM EST     Sunset
Tue -- 04:39 PM EST     0.55 feet Low Tide
Tue -- 08:59 PM EST     1.62 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Hartford, Connecticut, Tide feet
12
am
1.1
1
am
0.9
2
am
0.7
3
am
0.4
4
am
0.3
5
am
0.5
6
am
0.9
7
am
1.3
8
am
1.6
9
am
1.7
10
am
1.7
11
am
1.5
12
pm
1.4
1
pm
1.2
2
pm
1
3
pm
0.8
4
pm
0.6
5
pm
0.6
6
pm
0.9
7
pm
1.2
8
pm
1.5
9
pm
1.6
10
pm
1.6
11
pm
1.4



Tide / Current for Portland, Connecticut
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Portland
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Tue -- 12:51 AM EST     Last Quarter
Tue -- 01:43 AM EST     0.36 feet Low Tide
Tue -- 07:01 AM EST     Sunrise
Tue -- 07:15 AM EST     1.97 feet High Tide
Tue -- 12:41 PM EST     Moonset
Tue -- 02:15 PM EST     0.62 feet Low Tide
Tue -- 04:20 PM EST     Sunset
Tue -- 07:20 PM EST     1.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Portland, Connecticut, Tide feet
12
am
0.7
1
am
0.4
2
am
0.4
3
am
0.7
4
am
1.1
5
am
1.5
6
am
1.8
7
am
2
8
am
1.9
9
am
1.8
10
am
1.6
11
am
1.4
12
pm
1.1
1
pm
0.8
2
pm
0.6
3
pm
0.7
4
pm
1.1
5
pm
1.4
6
pm
1.7
7
pm
1.8
8
pm
1.8
9
pm
1.7
10
pm
1.4
11
pm
1.2




Weather Map
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