Marine Weather and Tide Forecast for Northampton, MA
December 2, 2023 8:46 PM EST (01:46 UTC)
Sunrise 6:59AM Sunset 4:20PM Moonrise 10:12PM Moonset 12:36PM
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.
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 717 Pm Est Sat Dec 2 2023
Synopsis for the long island and connecticut coastal waters.. Developing low pressure over the mid mississippi valley tonight heads up into the great lakes through Sunday, with a secondary low developing to the south of the area. Both lows lift north and east of the area Sunday night into Monday. High pressure returns for Tuesday. Another wave of low pressure develops off the middle atlantic coast Wednesday before high pressure on Thursday.
Synopsis for the long island and connecticut coastal waters.. Developing low pressure over the mid mississippi valley tonight heads up into the great lakes through Sunday, with a secondary low developing to the south of the area. Both lows lift north and east of the area Sunday night into Monday. High pressure returns for Tuesday. Another wave of low pressure develops off the middle atlantic coast Wednesday before high pressure on Thursday.
Area Discussion for - Boston, MA
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FXUS61 KBOX 022323 AFDBOX
Area Forecast Discussion National Weather Service Boston/Norton MA 623 PM EST Sat Dec 2 2023
SYNOPSIS
Dry weather persists tonight, but periods of chilly rain and fog on tap for Sunday into Sunday night in association with low pressure.
Mainly dry weather returns Monday as the system exits. Dry weather dominates Tuesday through Thursday, but fairly cloudy with near to below normal temperatures. Next shot for more widespread precipitation might not be until the end of next weekend or early next week.
NEAR TERM /UNTIL 6 AM SUNDAY MORNING/
630 PM Update...
Forecast remains on track at this hour. No big changes made to the near-term forecast. See previous discussion for more details.
335 PM Update...
* Mostly cloudy tonight with lows mainly upper 30s/lower 40s * Light rain arrives toward daybreak in parts of CT/RI/SE MA
Mostly cloudy conditions persisted during the mid to late afternoon hours across most of southern New England. Visible satellite imagery did reveal a few breaks developing and guidance supports this trend for a time into the evening. So while we may see a few breaks into this evening...low pressure will be lifting northeastward from the southeast overnight. This will result in any of the breaks that develop filling back in later this evening. Much of the night should remain dry though...but do expect some light rain to arrive toward daybreak in parts of CT/RI/SE MA as forcing for ascent increases.
Overnight low temps will only be in the upper 30s and lower 40s given the cloudy skies and modest dewpoints in place for early December standards.
SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/
Key Points...
* Chilly with widespread rain on Sun with highs in the upper 30s/40s * Areas of light rain/drizzle & fog linger Sun night * Any brief mix with snow confined to near 1500 ft with little impact
Details...
Sunday and Sunday night...
A shortwave trough will be lifting into the Great Lakes on Sunday.
This will back the mid level flow across the region as the initial surface low lifts northeast into the eastern Great Lakes. There is a high pressure system in Quebec that will combined with a secondary weak low pressure system developing off the southeast New England coast.
All of the above will combined to generate southwest flow aloft over a relatively shallow cool dome of air at the surface. This will generate widespread chilly rain Sunday which should have overspread most of the region by mid-late morning and continue through the afternoon. While the deeper moisture/forcing will lift northeast of our region Sunday evening...moist northeast low level flow will continue to result in periods of light rain...drizzle and fog Sunday night especially in central and eastern MA. We should see most areas finally dry out near daybreak Monday.
Thermal profiles are just too warm for the vast majority of the region to support anything but rain. It may become marginally cold enough for a brief mix/change with snow across the highest terrain of far northwest/north central MA towards 1500 feet
However
even if this occurs any accumulations would be very minor with little impact
Nonetheless
it will be rather raw/chilly on Sunday with temps mainly in the upper 30s to the middle 40s.
LONG TERM /MONDAY THROUGH SATURDAY/
Monday
A deamplifying short-wave to the north will slowly progress eastward on Monday while a secondary short-wave advancing across The Midwest will track south of southern New England on Monday. This pattern will support westerly flow across The Northeast which will keep a mild air mass in place throughout the day. This air mass will be characterized by 925 hPa temps just over 0 Celsius which will support above normal temps in the upper 40s to low 50s on Monday afternoon. Lingering low-level moisture will result in more clouds than sun and maybe a few spotty showers, but overall it looks to be a dry start to the week. As the secondary short-wave ejects south and east of southern New England, cyclonic flow to the north will result in a wind shift to the northwest which will advect cooler air over southern New England. This will begin a cooling trend that will persist through Thursday.
Tuesday through Thursday
Cyclonic flow aloft will prevail through Thursday. This will support persistent northwest flow and CAA that will support a cooling trend Tuesday through Thursday. Low/High temps Tuesday morning/afternoon in the upper 20s-low 30s/upper 30s- low 40s will fall to upper teens-low 20s/ mid-upper 30s by Thursday. Weather looks to be dry during this period with the exception of perhaps a few spotty rain/snow showers driven by diurnal instability.
Late Week/Early Next Weekend
A mid-level ridge axis builds east of southern New England Thursday night into Friday. This will end the cooling trend as return flow from the south advects warmer air into the Northeast to end the week. Northern stream short-wave energy is forecast to be digging over The Great Lakes late next week which will bring our next opportunity for widespread precipitation Friday night into Saturday.
Details are vague at this time range so stay tuned for further details.
AVIATION /23Z SATURDAY THROUGH THURSDAY/
Forecast Confidence Levels:
Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.
00Z TAF Update...
Through 12Z...High Confidence in Trends
Generally VFR to start with the exception of ORH and The Cape/Islands terminals. However, ceilings will gradually lower to MVFR and eventually IFR/LIFR by 06Z as precip approaches from the west. Light/variable winds becoming steady out of the northeast from 5 to 10 knots by 12Z.
Sunday...High Confidence
Widespread IFR/LIFR with periods of rain and fog. NE winds 5 to 15 knots with stronger winds near the coast where periods of 20-25 knot gusts will be possible.
Sunday Night...High Confidence
IFR-LIFR conditions persist much of the night...but perhaps a bit of improvement by 12z Monday across CT/RI/SE MA. While the steadier/heavier rain will come to an end in most spots sometime Sunday night...light showers/drizzle and fog will persist longer especially in central and NE MA. NE winds 5 to 15 knots to more of a light W direction by daybreak Monday.
KBOS Terminal...High confidence in TAF trends, lower on exact timing.
KBDL Terminal...High confidence in TAF trends, lower on exact timing.
Outlook /Monday through Thursday/...
Monday: Mainly VFR, with local MVFR possible. Breezy. Slight chance RA.
Monday Night: VFR. Breezy. Slight chance RA.
Tuesday: Mainly VFR, with local MVFR possible. Breezy.
Tuesday Night: Mainly VFR, with local MVFR possible. Slight chance RA, slight chance SN.
Wednesday: Mainly VFR, with local MVFR possible. Breezy. Chance RA, slight chance SN.
Wednesday Night through Thursday: VFR. Breezy.
MARINE
Forecaster Confidence Levels:
Low - less than 30 percent.
Medium - 30 to 60 percent.
High - greater than 60 percent.
Tonight...High Confidence.
Winds & seas will remain below small craft advisory thresholds.
Light winds this evening will shift to the NE overnight in response to a wave of low pressure developing off the mid-Atlantic coast.
Sunday and Sunday night...High Confidence.
A wave of low pressure will track south of our waters Sun into Sun night. This coupled with high pressure across Quebec will generate modest northeast winds across the region Sun into Sun evening with gusts between 20 and 30 knots. Seas will also build to between 3 and 6 feet...so small craft headlines remain posted for most waters.
Lastly...areas of rain and fog will reduce vsbys for mariners.
Outlook /Monday through Thursday/...
Monday through Monday Night: Winds less than 25 kt. Seas up to 5 ft. Chance of rain.
Tuesday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Slight chance of rain.
Tuesday Night: Winds less than 25 kt. Chance of rain.
Wednesday: Winds less than 25 kt. Seas locally approaching 5 ft. Chance of rain.
Wednesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Seas up to 5 ft. Chance of rain, slight chance of snow.
Thursday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of seas approaching 5 ft. Slight chance of rain.
BOX WATCHES/WARNINGS/ADVISORIES
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory from 11 AM Sunday to 7 AM EST Monday for ANZ231-250-251-254.
Small Craft Advisory from 5 AM Sunday to 7 AM EST Monday for ANZ232>235-237-255-256.
Area Forecast Discussion National Weather Service Boston/Norton MA 623 PM EST Sat Dec 2 2023
SYNOPSIS
Dry weather persists tonight, but periods of chilly rain and fog on tap for Sunday into Sunday night in association with low pressure.
Mainly dry weather returns Monday as the system exits. Dry weather dominates Tuesday through Thursday, but fairly cloudy with near to below normal temperatures. Next shot for more widespread precipitation might not be until the end of next weekend or early next week.
NEAR TERM /UNTIL 6 AM SUNDAY MORNING/
630 PM Update...
Forecast remains on track at this hour. No big changes made to the near-term forecast. See previous discussion for more details.
335 PM Update...
* Mostly cloudy tonight with lows mainly upper 30s/lower 40s * Light rain arrives toward daybreak in parts of CT/RI/SE MA
Mostly cloudy conditions persisted during the mid to late afternoon hours across most of southern New England. Visible satellite imagery did reveal a few breaks developing and guidance supports this trend for a time into the evening. So while we may see a few breaks into this evening...low pressure will be lifting northeastward from the southeast overnight. This will result in any of the breaks that develop filling back in later this evening. Much of the night should remain dry though...but do expect some light rain to arrive toward daybreak in parts of CT/RI/SE MA as forcing for ascent increases.
Overnight low temps will only be in the upper 30s and lower 40s given the cloudy skies and modest dewpoints in place for early December standards.
SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/
Key Points...
* Chilly with widespread rain on Sun with highs in the upper 30s/40s * Areas of light rain/drizzle & fog linger Sun night * Any brief mix with snow confined to near 1500 ft with little impact
Details...
Sunday and Sunday night...
A shortwave trough will be lifting into the Great Lakes on Sunday.
This will back the mid level flow across the region as the initial surface low lifts northeast into the eastern Great Lakes. There is a high pressure system in Quebec that will combined with a secondary weak low pressure system developing off the southeast New England coast.
All of the above will combined to generate southwest flow aloft over a relatively shallow cool dome of air at the surface. This will generate widespread chilly rain Sunday which should have overspread most of the region by mid-late morning and continue through the afternoon. While the deeper moisture/forcing will lift northeast of our region Sunday evening...moist northeast low level flow will continue to result in periods of light rain...drizzle and fog Sunday night especially in central and eastern MA. We should see most areas finally dry out near daybreak Monday.
Thermal profiles are just too warm for the vast majority of the region to support anything but rain. It may become marginally cold enough for a brief mix/change with snow across the highest terrain of far northwest/north central MA towards 1500 feet
However
even if this occurs any accumulations would be very minor with little impact
Nonetheless
it will be rather raw/chilly on Sunday with temps mainly in the upper 30s to the middle 40s.
LONG TERM /MONDAY THROUGH SATURDAY/
Monday
A deamplifying short-wave to the north will slowly progress eastward on Monday while a secondary short-wave advancing across The Midwest will track south of southern New England on Monday. This pattern will support westerly flow across The Northeast which will keep a mild air mass in place throughout the day. This air mass will be characterized by 925 hPa temps just over 0 Celsius which will support above normal temps in the upper 40s to low 50s on Monday afternoon. Lingering low-level moisture will result in more clouds than sun and maybe a few spotty showers, but overall it looks to be a dry start to the week. As the secondary short-wave ejects south and east of southern New England, cyclonic flow to the north will result in a wind shift to the northwest which will advect cooler air over southern New England. This will begin a cooling trend that will persist through Thursday.
Tuesday through Thursday
Cyclonic flow aloft will prevail through Thursday. This will support persistent northwest flow and CAA that will support a cooling trend Tuesday through Thursday. Low/High temps Tuesday morning/afternoon in the upper 20s-low 30s/upper 30s- low 40s will fall to upper teens-low 20s/ mid-upper 30s by Thursday. Weather looks to be dry during this period with the exception of perhaps a few spotty rain/snow showers driven by diurnal instability.
Late Week/Early Next Weekend
A mid-level ridge axis builds east of southern New England Thursday night into Friday. This will end the cooling trend as return flow from the south advects warmer air into the Northeast to end the week. Northern stream short-wave energy is forecast to be digging over The Great Lakes late next week which will bring our next opportunity for widespread precipitation Friday night into Saturday.
Details are vague at this time range so stay tuned for further details.
AVIATION /23Z SATURDAY THROUGH THURSDAY/
Forecast Confidence Levels:
Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.
00Z TAF Update...
Through 12Z...High Confidence in Trends
Generally VFR to start with the exception of ORH and The Cape/Islands terminals. However, ceilings will gradually lower to MVFR and eventually IFR/LIFR by 06Z as precip approaches from the west. Light/variable winds becoming steady out of the northeast from 5 to 10 knots by 12Z.
Sunday...High Confidence
Widespread IFR/LIFR with periods of rain and fog. NE winds 5 to 15 knots with stronger winds near the coast where periods of 20-25 knot gusts will be possible.
Sunday Night...High Confidence
IFR-LIFR conditions persist much of the night...but perhaps a bit of improvement by 12z Monday across CT/RI/SE MA. While the steadier/heavier rain will come to an end in most spots sometime Sunday night...light showers/drizzle and fog will persist longer especially in central and NE MA. NE winds 5 to 15 knots to more of a light W direction by daybreak Monday.
KBOS Terminal...High confidence in TAF trends, lower on exact timing.
KBDL Terminal...High confidence in TAF trends, lower on exact timing.
Outlook /Monday through Thursday/...
Monday: Mainly VFR, with local MVFR possible. Breezy. Slight chance RA.
Monday Night: VFR. Breezy. Slight chance RA.
Tuesday: Mainly VFR, with local MVFR possible. Breezy.
Tuesday Night: Mainly VFR, with local MVFR possible. Slight chance RA, slight chance SN.
Wednesday: Mainly VFR, with local MVFR possible. Breezy. Chance RA, slight chance SN.
Wednesday Night through Thursday: VFR. Breezy.
MARINE
Forecaster Confidence Levels:
Low - less than 30 percent.
Medium - 30 to 60 percent.
High - greater than 60 percent.
Tonight...High Confidence.
Winds & seas will remain below small craft advisory thresholds.
Light winds this evening will shift to the NE overnight in response to a wave of low pressure developing off the mid-Atlantic coast.
Sunday and Sunday night...High Confidence.
A wave of low pressure will track south of our waters Sun into Sun night. This coupled with high pressure across Quebec will generate modest northeast winds across the region Sun into Sun evening with gusts between 20 and 30 knots. Seas will also build to between 3 and 6 feet...so small craft headlines remain posted for most waters.
Lastly...areas of rain and fog will reduce vsbys for mariners.
Outlook /Monday through Thursday/...
Monday through Monday Night: Winds less than 25 kt. Seas up to 5 ft. Chance of rain.
Tuesday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Slight chance of rain.
Tuesday Night: Winds less than 25 kt. Chance of rain.
Wednesday: Winds less than 25 kt. Seas locally approaching 5 ft. Chance of rain.
Wednesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Seas up to 5 ft. Chance of rain, slight chance of snow.
Thursday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of seas approaching 5 ft. Slight chance of rain.
BOX WATCHES/WARNINGS/ADVISORIES
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory from 11 AM Sunday to 7 AM EST Monday for ANZ231-250-251-254.
Small Craft Advisory from 5 AM Sunday to 7 AM EST Monday for ANZ232>235-237-255-256.
| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | inHg | DewPt |
| ANMN6 - Hudson River Reserve, NY | 63 mi | 76 min | 0 | 43°F | 30.01 | 41°F | ||
| NWHC3 - 8465705 - New Haven, CT | 77 mi | 46 min | SE 2.9G | 48°F | 46°F | 30.04 |
toggle option: (graph/table)
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
| KBAF WESTFIELDBARNES RGNL,MA | 17 sm | 9 min | calm | 1 sm | -- | 39°F | 37°F | 93% | 30.02 | |
| KCEF WESTOVER ARB/METROPOLITAN,MA | 21 sm | 7 min | calm | 3/8 sm | -- | 39°F | 39°F | 100% | 30.01 | |
| KPSF PITTSFIELD MUNI,MA | 24 sm | 18 min | NW 03 | 1/4 sm | -- | Fog | 45°F | 43°F | 93% | 30.00 |
Wind History from BAF
(wind in knots)Tide / Current for Hartford, Connecticut River, Connecticut
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Tide / Current data from XTide NOT FOR NAVIGATION
Hartford, Connecticut River, Connecticut, Tide feet
Tide / Current data from XTide NOT FOR NAVIGATION
South Hartford, Connecticut River, Connecticut, Tide feet
Albany, NY,
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