Weweantic, MA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Weweantic, MA

May 4, 2024 12:11 AM EDT (04:11 UTC) Change Location
Sunrise 5:33 AM   Sunset 7:46 PM
Moonrise 3:45 AM   Moonset 3:44 PM 
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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.

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Marine Forecasts
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ANZ234 Buzzards Bay- 1005 Pm Edt Fri May 3 2024

Overnight - NE winds around 5 kt. Seas 1 foot or less. Wave detail: ne 1 ft at 3 seconds and S 1 ft at 5 seconds.

Sat - NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 1 foot or less. Wave detail: ne 1 ft at 2 seconds and S 1 ft at 5 seconds.

Sat night - E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: ne 1 ft at 3 seconds and E 1 ft at 10 seconds.

Sun - SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 1 foot or less. Wave detail: se 1 ft at 4 seconds and E 1 ft at 9 seconds. A chance of showers in the afternoon.

Sun night and Mon - SW winds 10 to 15 kt. Seas around 2 ft. Wave detail: se 2 ft at 5 seconds and E 1 ft at 9 seconds. Showers.

Mon night - SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: sw 2 ft at 4 seconds and se 1 ft at 5 seconds, becoming sw 1 ft at 4 seconds and se 1 ft at 5 seconds.

Tue - NE winds 5 to 10 kt. Seas 1 foot or less.

Tue night through Wed night - SE winds around 10 kt. Seas around 2 ft. A chance of showers.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

ANZ200 1005 Pm Edt Fri May 3 2024

Synopsis for massachusetts and rhode island coastal waters - High pressure remain in control tonight and tomorrow with light winds and clearing skies. Low pressure system and cold front move through late Sunday afternoon/evening brining wet weather and areas of fog. Showers may linger into Monday morning, otherwise mainly dry and calm conditions to start next week.


7 Day Forecast for Marine Location Near Weweantic, MA
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Area Discussion for - Boston, MA
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FXUS61 KBOX 032343 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 743 PM EDT Fri May 3 2024

SYNOPSIS
High pressure brings dry weather with cooler onshore breezes through Saturday. A slow-moving frontal boundary brings clouds and rain showers on Sunday into early Monday, along with a period of cooler high temperatures. Though clouds and off and on showers may linger in southeast New England in vicinity of the slowing front, drier weather prevails for most of interior Southern New England.
Turning warmer on Tuesday with abundant sunshine, and though temperatures will be significantly cooler near the coast, interior areas could see high temperatures reach near 80 degrees. Our next chance for rain is around midweek.

NEAR TERM /UNTIL 6 AM SATURDAY MORNING/
740 PM Update:

Tranquil early-evening underway across Southern New England, governed by a 1024 mb high pressure area located in the waters east of Ipswich Bay. This high pressure remains generally stationary over at least the next 24 hours, maintaining dry weather but with an increase in cirrus/high clouds as the evening progresses. Used some of the RAP to show a decrease in sky cover for most of the evening, thus pleasant conditions for any Friday evening outdoor plans.

However the fly in the ointment arrives by the pre-dawn hrs and mainly in eastern MA, in the form of marine-layer stratus which is evident in satellite imagery over Nova Scotia and the Bay of Fundy. These low clouds should gradually build/spread southwestward through the Gulf of Maine into Cape Cod and the adjacent eastern coastal waters toward daybreak. Think greatest extent of low cloud cover should be restricted to the immediate eastern MA coast, with scattered lower clouds further inland to around central MA/RI by daybreak.

Low temps in the low-mid 40s seem on track for now with expectation of generally clear skies for most of the evening, with cooling likely not to be impeded by advancing stream of high clouds.

Previous discussion:

Good amount of wind shear visible on the satellite this afternoon with mid level clouds moving NE to SW and upper level cirrus moving NW to SE this afternoon. As for those mid clouds, the May sun is helping to increase our breaks of sun but partly cloudy is about the best we can hope for in much of southern New England for the rest of the day. By the overnight hours we'll see some marginal clearing of both mid and high clouds, especially after midnight, but fully clear skies aren't expected. Even so, given the high overhead and calm winds, did lower temps a but to account for some potential to radiate. Lows bottom in the low to mid 40s; right around average for early May.

SHORT TERM /6 AM SATURDAY MORNING THROUGH 6 PM SATURDAY/
High pressure nudges further south into New England from Nova Scotia bringing continued quiet weather for the first half of the weekend.
This means continued cool, moist onshore flow from the northeast so low clouds will be moving in from the northeast while high clouds move in from the southwest. High temperatures won't be too different than Friday, with the warmest spot (the CT valley) in the upper 60s and the coolest spot (eastern MA) in the mid 50s. Cloudcover continues to increase overnight as deeper moisture (PWATs over 1 inch) move into western SNE on SW flow ahead of the approaching system. However, rain should hold off until after 8am.

LONG TERM /SATURDAY NIGHT THROUGH FRIDAY/
Highlights:

* Cloudy, cooler with rain on Sunday into early Mon, with continued lighter showers on Mon for southeast New England.

* Dry and turning mild on Tue, though cooler onshore flow near the coasts. Spot 80s in the CT Valley?

* Next chance for rains around midweek (Wed/Thu), though still unclear which day has the higher rain chances.

Details:

Sunday and Monday:

The 12z suite of guidance continues to come into better congruence regarding our next chance for steadier light rains associated with a passing frontal boundary and a rather disorganized 500 mb trough.
Chances for rain increase during the morning in most areas, with the period of greatest rain chances focused during the Sunday afternoon to early Monday morning period as the frontal boundary slowly shifts eastward. With the front becoming parallel to the 500 mb flow with time as we move into the early Monday period, expect lingering rain showers during the morning hrs along the RI/MA South Coast, Cape Cod and the Islands. Further north and west, we should see dry weather but with a mix of clouds and sun. Overall not a soaking rain, but enough to likely put a damper on outdoor plans for many on Sunday, with rain showers lingering into Monday for the southeast New England coastal areas. To that end, model-ensemble probabilistic QPF assessment shows high (70-90%) probs of 24 hr rain totals over a tenth of an inch, but lower to moderate (25-50%) probs for rain amts at or over a half inch. Official forecast has rain amts around a quarter to third of an inch.

Expect Sunday to be a cooler day with cloud cover and rains around, with narrower diurnal range in high and low temps. Highs Sunday in the mid 50s, and lows in the upper 40s to near 50. High temps are more challenging on Monday with more clouds south of the Mass Pike and especially near southern coast, with some sunny breaks further north. Highs along the southern coast probably struggle to reach 60, but you don't have to go much further inland before highs reach into the low to mid 70s; with lows in the mid 40s to low 50s.

Tuesday:

High pressure over interior northern New England governs weather conditions into Southern New England Tuesday, supplying dry weather and mostly sunny conditions. An early look at model forecast soundings in interior MA/CT show potential for temperatures to overachieve guidance with progged deep mixing; with 850 mb temps around +7 to nearly +10C, highs could reach around 80 degrees in the CT Valley with readings well into the 70s eastward into RI and into the MA coastal plain. Northeast flow near the coast will keep temps several degrees cooler than well inland though, in the mid to upper 60s. Very difficult to show that level of granular detail given model-resolution limitations at this forecast time horizon and utilized some of the bias-corrected temperature fields given a similar regime. Did note NBM was advertising some low PoPs in this period for spot showers, but feel this is pretty overdone given progged mixing.

Wednesday and Thursday:

Though this period offers the next best chance for rain associated with an elongated warm front from low pressure over the Plains states, there is more uncertainty in timing when chances are greatest. Really will need those uncertainties to become more in clearer focus before delving into specifics. Didn't make too many adjustments to NBM in this period, except capped PoPs at the higher end of Chance range (40-50%) given stated timing uncertainties.

AVIATION /23Z FRIDAY THROUGH WEDNESDAY/
Forecast Confidence Levels:

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

00z TAF Update:

Tonight: High confidence.

VFR with increasing stream of high clouds. Could see patchy mist/fog develop mainly in eastern/northeast MA but too unlikely to mention in the TAF. Toward daybreak, advancing SCT-OVC marine stratus at VFR/MVFR levels and while there's stronger confidence of MVFR bases over the Cape and Islands, it may lie just offshore of the remaining portion of the eastern MA coastline. Light E winds (light/variable at times), before trending NE/ENE around 6-10 kt by daybreak.

Tomorrow...Moderate confidence.

Any lingering MVFR may improve to VFR for much of the day. Some uncertainty here given we are still stuck in persistent onshore easterly flow at 5-10 kts. Confidence higher for VFR away from eastern MA coastline.

KBOS TAF...High confidence in TAF. VFR, with marine stratus nearing BOS after 09z; outside chance at MVFR bases early Sat AM but should trend more BKN VFR levels. Light east winds tonight (variable at times) before becoming ENE around 10 kt starting early Sat.

KBDL TAF...High confidence in TAF. VFR, light southerly winds becoming light easterly early Sat AM.

Outlook /Saturday Night through Wednesday/...

Saturday Night: Mainly VFR, with local IFR possible.

Sunday: Mainly VFR, with local IFR possible. Chance SHRA.

Sunday Night: MVFR/IFR conditions possible. SHRA.

Monday: Mainly VFR, with local IFR possible. Slight chance SHRA.

Monday Night through Tuesday: VFR.

Tuesday Night: VFR. Chance SHRA.

Wednesday: Mainly VFR, with local MVFR possible. Chance SHRA.

MARINE
Forecaster Confidence Levels:

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

Marine

This evening through Saturday night...

High pressure supports fairly calm conditions across the coastal waters through Saturday night. Winds will prevail out of the northeast from 10 to 15 knots with some gusts to 20 knots possible. Seas generally 1 to 3 feet.

Outlook /Saturday Night through Wednesday/...

Saturday Night: Winds less than 25 kt.

Sunday: Winds less than 25 kt. Chance of rain showers.

Sunday Night: Winds less than 25 kt. Seas locally approaching 5 ft. Rain showers likely.

Monday: Winds less than 25 kt. Seas locally approaching 5 ft.
Chance of rain showers.

Monday Night: Winds less than 25 kt. Seas locally approaching 5 ft. Slight chance of rain showers.

Tuesday: Winds less than 25 kt. Slight chance of rain showers.

Tuesday Night through Wednesday: Winds less than 25 kt. Chance of rain showers.

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




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
NBGM3 12 mi54 min NNE 1.9G1.9 49°F 30.25
BZBM3 - 8447930 - Woods Hole, MA 15 mi54 min 47°F 51°F30.24
44090 23 mi42 min 47°F 49°F0 ft
FRVM3 - 8447386 - Fall River, MA 23 mi54 min 50°F 51°F30.26
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 24 mi54 min NE 1.9G1.9 50°F 30.25
FRXM3 24 mi54 min 50°F 45°F
BUZM3 - Buzzards Bay, MA 28 mi72 min E 2.9G4.1 50°F 30.25
44020 - NANTUCKET SOUND 29 mi42 min NE 3.9G5.8 49°F 51°F30.2346°F
44085 29 mi42 min 49°F 48°F1 ft
PRUR1 32 mi54 min 48°F 44°F
CPTR1 - 8452944 - Conimicut Light, RI 33 mi54 min 0G1 52°F 54°F30.24
NAXR1 - Narragansett Bay Reserve, RI 33 mi87 min NNW 1.9 46°F 30.2442°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 33 mi54 min S 1G2.9 50°F 30.26
NWPR1 - 8452660 - Newport, RI 35 mi54 min 0G1.9 50°F 51°F30.24
PVDR1 35 mi54 min 0G1.9 52°F 30.2545°F
FOXR1 - 8454000 - Providence, RI 36 mi54 min SSE 1G1 53°F 50°F30.24
PDVR1 37 mi54 min SSW 1G1.9 50°F 30.2344°F
QPTR1 - 8454049 - Quonset Point, RI 37 mi54 min W 2.9G5.1 50°F 30.25
CHTM3 41 mi54 min 44°F 50°F
44013 - BOSTON 16 NM East of Boston, MA 43 mi42 min 0G1.9 48°F 48°F30.2642°F
44018 - SE Cape Cod 30NM East of Nantucket, MA 45 mi62 min 48°F2 ft
BHBM3 - 8443970 - Boston, MA 46 mi54 min 54°F 30.24
NTKM3 - 8449130 - Nantucket Island, MA 46 mi54 min NE 5.1G8 49°F 54°F30.23


Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KFMH CAPE COD COAST GUARD AIR STATION,MA 12 sm26 mincalm10 smClear39°F37°F93%30.25
KPYM PLYMOUTH MUNI,MA 12 sm19 mincalm10 smClear41°F37°F87%30.24
KEWB NEW BEDFORD RGNL,MA 13 sm18 mincalm10 smClear43°F41°F93%30.25
KTAN TAUNTON MUNI KING FIELD,MA 18 sm19 mincalm10 smClear43°F37°F81%30.25
KHYA BARNSTABLE MUNIBOARDMAN/POLANDO FIELD,MA 24 sm15 mincalm10 smClear39°F37°F93%30.23
KMVY MARTHA'S VINEYARD,MA 24 sm18 mincalm10 smClear37°F36°F93%30.25
Link to 5 minute data for KPYM


Wind History from PYM
(wind in knots)
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Tide / Current for Marion, Sippican Harbor, Buzzards Bay, Massachusetts
   
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Marion
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Fri -- 03:21 AM EDT     Moonrise
Fri -- 04:21 AM EDT     3.97 feet High Tide
Fri -- 05:36 AM EDT     Sunrise
Fri -- 10:07 AM EDT     0.09 feet Low Tide
Fri -- 02:27 PM EDT     Moonset
Fri -- 04:52 PM EDT     4.30 feet High Tide
Fri -- 07:44 PM EDT     Sunset
Fri -- 10:50 PM EDT     0.02 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Marion, Sippican Harbor, Buzzards Bay, Massachusetts, Tide feet
12
am
1.1
1
am
1.8
2
am
2.6
3
am
3.5
4
am
3.9
5
am
3.8
6
am
3.1
7
am
2.1
8
am
1.1
9
am
0.4
10
am
0.1
11
am
0.2
12
pm
0.7
1
pm
1.3
2
pm
2.3
3
pm
3.3
4
pm
4
5
pm
4.3
6
pm
3.9
7
pm
2.9
8
pm
1.7
9
pm
0.7
10
pm
0.2
11
pm
0



Tide / Current for Cape Cod Canal, Massachusetts Current
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Cape Cod Canal
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Fri -- 02:23 AM EDT     3.62 knots Max Flood
Fri -- 03:21 AM EDT     Moonrise
Fri -- 05:35 AM EDT     Sunrise
Fri -- 05:40 AM EDT     -0.08 knots Slack
Fri -- 08:45 AM EDT     -4.25 knots Max Ebb
Fri -- 11:53 AM EDT     0.03 knots Slack
Fri -- 02:26 PM EDT     Moonset
Fri -- 03:05 PM EDT     4.13 knots Max Flood
Fri -- 06:37 PM EDT     -0.19 knots Slack
Fri -- 07:43 PM EDT     Sunset
Fri -- 09:24 PM EDT     -4.12 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cape Cod Canal, Massachusetts Current, knots
12
am
2
1
am
3.1
2
am
3.6
3
am
3.5
4
am
3.1
5
am
2.1
6
am
-1.6
7
am
-3.2
8
am
-4.1
9
am
-4.2
10
am
-3.8
11
am
-2.7
12
pm
0.9
1
pm
3
2
pm
3.8
3
pm
4.1
4
pm
4
5
pm
3.4
6
pm
2.3
7
pm
-1.8
8
pm
-3.4
9
pm
-4.1
10
pm
-4
11
pm
-3.4




Weather Map
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GEOS Local Image of north east   
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Boston, MA,



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