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

April 19, 2024 8:12 PM EDT (00:12 UTC) Change Location
Sunrise 5:54 AM   Sunset 7:30 PM
Moonrise 3:26 PM   Moonset 4:17 AM 
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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- 701 Pm Edt Fri Apr 19 2024

Tonight - S winds around 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 4 seconds and se 1 ft at 3 seconds. A chance of showers after midnight.

Sat - SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: sw 2 ft at 3 seconds and se 2 ft at 6 seconds. Showers. Patchy fog in the morning. Vsby 1 to 3 nm.

Sat night - W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: sw 2 ft at 5 seconds and E 1 ft at 5 seconds.

Sun - W winds around 10 kt, becoming sw 20 to 25 kt in the afternoon. Seas 2 to 4 ft. Wave detail: W 2 ft at 4 seconds and se 1 ft at 6 seconds.

Sun night and Mon - W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: sw 2 ft at 4 seconds and se 1 ft at 7 seconds.

Mon night - SW winds around 10 kt, becoming N after midnight. Seas 1 foot or less.

Tue and Tue night - S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less, then around 2 ft.

Wed and Wed night - S winds around 15 kt, becoming w. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain.
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 701 Pm Edt Fri Apr 19 2024

Synopsis for massachusetts and rhode island coastal waters - High pres over the waters south of nova scotia continues to move eastward tonight. A cold front then brings showers and a period of breezy conditions for Sat. High pres then returns for Sun and Mon, though with W to nw breezes.


7 Day Forecast for Marine Location Near Pocasset, MA
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Area Discussion for - Boston, MA
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FXUS61 KBOX 200010 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 810 PM EDT Fri Apr 19 2024

SYNOPSIS
An approaching cold front will bring a period of showers and a few downpours very late tonight into Saturday morning. Gradual partial clearing and pleasant temperatures are in store for later Saturday. Mostly clear skies and dry weather prevails Sunday and Monday, although both days could feature low relative humidities. Increasing clouds on Tuesday and Tuesday night heralds a frontal passage and rain chances for Wednesday.
Conditions trend drier for late next week. Temperatures should be around seasonable much of next week.

NEAR TERM /UNTIL MIDNIGHT TONIGHT/
810 PM Update:

Though there are some scattered returns showing up on radar, these aren't reaching the ground as air below cloud base is still too dry. That'll continue to be the case through midnight, however clouds will continue to fill in and SE to S winds will tend to slacken as we move towards midnight. Did bring overcast sky cover in a little sooner, but other than that, forecast still seems on track.

Previous discussion:

Ending the work week with enjoyable conditions, temperatures are in the upper 50s and low 60s under a blend of sun and clouds. Clouds thicken with additional mid and high clouds moving in from the west, ahead of our next weather maker. Radar trends over the past hour show a line of rain moving through New York, associated with an approaching weak shortwave. As the rain moves east, it is running into a drier airmass, high pressure over the Gulf of Maine. Should see these radar trend weaken over the next couple of hours. Think this evening is largely dry, but can not rule out a brief shower reaching northern Connecticut or western Massachusetts.

Temperatures this evening gradually fall into the low 50s and upper 40s. Winds becoming more southerly around 10 MPH.

SHORT TERM /MIDNIGHT TONIGHT THROUGH SATURDAY NIGHT/
800 PM Update:

Forecast for the 2nd half of the overnight still looks on track, with an expected blossoming of frontal showers over eastern NY/western MA overnight seemingly in response to stronger height falls/diffluence aloft acting on the frontal boundary. These showers then gradually shift eastward into Saturday morning.
Thus no significant change needed for this portion of the forecast.

Previous discussion from 330 PM:

During the overnight hours we continue to see increasing cloud cover and dry conditions. The added cloud cover and wind direction more or less out of the south keep temperatures a few degrees above normal, in the middle 40s. Rain showers moving into the region well into the overnight hours, do think these showers which are associated with a cold front enter northern Connecticut/western Massachusetts between 3AM and 5AM, then eastern Massachusetts/Rhode Island between 6AM and 8AM. Should have improving conditions from northwest to southeast from mid-morning to early-afternoon. QPF is in the neighborhood of a quarter and third of an inch, enough to provide the region with a wetting rain. The second-half of the day features mid-level dry air mass, should reduce the cloud cover, giving us a mix of sun and clouds. This should lead to a nice afternoon with highs in the low and middle 60s. Low clouds will be stubborn for the Cape and Island, but should clear our late afternoon, perhaps in time for sunset.
Here the highs are slightly cooler in the middle and upper 50s.

Guidance this afternoon does show the a trailing mid-level shortwave that reaches southern New England mid to later afternoon. With this passage, a couple of rouge showers are possible, but should come to an end by sunset.

Overnight skies area clearing and despite s northwest wind at 10 to 15 mph, temperatures fall into the 30s. While much of the area remains above freezing, northern Worcester County and the east slopes of the Berkshires could see morning lows 30-34 degrees. May want to keep that in mind if you bought any potted outdoor plants.

LONG TERM /SUNDAY THROUGH FRIDAY/
330PM UPDATE:

Highlights:

* Clear and dry weather Sun and Mon with seasonable temps. Possible elevated fire weather concerns for both days, but especially Mon as NW winds increase.

* Continued dry, but with SW breezes along with more cloud cover.

* Although not a soaking rain, a frontal system around Wed or Wed night brings our next chance for rains.

* More uncertainty in the late-week pattern, but favoring dry weather.

Details:

Sunday through Tuesday:

Cyclonic flow aloft begins this period, associated with a potent shortwave disturbance which passes over northern New England into Mon. System's passing cold front moves through Mon too, but it will be a dry frontal passage with a windshift to NW and cooler temperatures being the only things really noticeable about the frontal passage. Pattern starts to flatten Mon night into Tue with a broad 1020+ mb high pressure cell ridging into Southern New England.

Dry weather to prevail in this period, even with the frontal passage passing to the north on Mon. Much of this period features mostly clear skies and though it will be a bit breezy from the northwest on Monday, it should be a stretch of pretty nice weather on the whole.
But as is typically the case in the early-spring/pre-greenup period with clear skies and good mixing leading to lower dewpoints, both Sun and Mon could feature elevated fire weather concerns. Of the two days, Mon looks to feature the lowest relative humidities and period of stronger NW winds (gusts 25-30 mph). Highs Sun and Mon look similar each day, in the 50s (upper 50s/near 60 in eastern MA). Lows in the mid/upper 30s Sunday night and in the low to mid 30s Mon night.

For Tue, high pressure shifts offshore early in the day, allowing for returning SW flow bringing modest SW breezes, but also increasing cloud cover (greatest late-day). RHs are a touch higher (35-50 percent) Tuesday so not thinking period of fire weather for Tue. Highs Tue should get to around 60 degrees. Turning mostly cloudy on Tue night ahead of a frontal system for Wed, and the increase in clouds brings milder nighttime lows in the 40s.

Wednesday:

12z ensembles and most deterministic models show a progressive frontal system moving across Southern New England in this period.
There is some timing differences that still need to be sorted out, with the ECMWF camp being slower with the progression (Wed late day into early-overnight Thurs); those differences led to PoP being no higher than Likely. A few days of dry weather preceding this frontal passage could favor a slower timing (e.g. some of the modeled QPF lost to evaporation through dry air layers) but won't deviate farther from NBM output to let the timing uncertainties iron themselves out. This doesn't look to be anything close to the soaking rains that plagued us in March but we should be able to see a period of wetting rains over a quarter-inch or so but not much more.

Late Week:

A bit of uncertainty here with differences in mass field evolution between the drier ECMWF/Canadian GEM and the GFS, which deepens an upper trough which closes off into a closed low near or west of Southern New England. That would bring unsettled weather and cloudier conditions to the area. This solution doesn't seem to have much support from its ensemble; official forecast will keep close to NBM for this period, but with a tilt towards the international guidance favoring drier conditions.

AVIATION /00Z SATURDAY 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 in trends, though moderate to high on timing.

VFR through at least 04z (and 07-09z for eastern terminals), though with lowering cloud bases. MVFR ceilings around 06-08z for western terminals and after 09z for eastern airports as showers begin to overspread, then period of MVFR/IFR ceilings with steadier rains through 12z. S to SW winds around 10-12 kt to start, but will decrease to around 6-10 kt by daybreak.

Saturday...High confidence in trends, moderate confidence in the exact timing.

IFR/MVFR to start, -SHRA continues for terminals in Rhode Island and eastern Massachusetts through 15z/17z. May linger a bit longer for the outer Cape and Islands. Winds are 8 to 12 knots and are generally from the west, though eastern Massachusetts winds may remain out of the west/southwest.

Lastly, there is a low chance of a late afternoon pop-up shower due to a trailing shortwave, this could produce widely scattered rain.

Saturday Night...High confidence.

VFR, any lingering MVFR over the Cape and Islands become VFR between 02z and 04z. Otherwise a dry night. Winds are 10 to 15 knots from the west/northwest. Perhaps some gusts for the Cape and Island to 20 to 25 knots.

KBOS TAF...High Confidence in TAF.

KBDL TAF...High Confidence in TAF.

Outlook /Sunday through Wednesday/...

Sunday through Tuesday: VFR. Breezy.

Tuesday Night: VFR. Breezy. Slight chance SHRA.

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

MARINE
Forecaster Confidence Levels:

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

330PM UPDATE:

Today through Saturday Night...High Confidence.

Quiet conditions for the rest of Friday and tonight with seas and winds below advisory criteria. An approaching front does bring showers and perhaps a rumble of thunder Saturday morning with a wind shift from ESE/WSW. Showers linger into late Saturday morning/early afternoon. Drying out Saturday evening into the overnight hours. Winds may briefly reach advisory criteria late Saturday night 25 to 28 knots over the waters south of Rhode Island and Block Island. Given how marginal this is, held off on issuing a Small Craft Advisory. Later forecast may want to include if confidence increases.

Outlook /Sunday through Wednesday/...

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

Monday through Tuesday: Winds less than 25 kt.

Tuesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Seas locally approaching 5 ft.

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

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
BZBM3 - 8447930 - Woods Hole, MA 11 mi73 min 48°F 48°F30.10
NBGM3 16 mi73 min S 7G8.9 48°F 30.12
44090 19 mi43 min 46°F 46°F1 ft
44020 - NANTUCKET SOUND 22 mi63 min SE 9.7G12 47°F 48°F1 ft30.0843°F
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 29 mi73 min SSE 4.1G6 50°F 30.11
BUZM3 - Buzzards Bay, MA 29 mi73 min SE 12G13 45°F 30.11
FRVM3 - 8447386 - Fall River, MA 29 mi73 min 50°F 51°F30.12
44085 30 mi47 min 46°F3 ft
FRXM3 30 mi73 min 50°F 35°F
CHTM3 36 mi73 min 45°F 52°F
PRUR1 37 mi73 min 48°F 41°F
NAXR1 - Narragansett Bay Reserve, RI 38 mi88 min W 5.1 49°F 30.1238°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 38 mi73 min SW 6G8.9 48°F 30.13
CPTR1 - 8452944 - Conimicut Light, RI 39 mi73 min SSE 12G15 48°F 51°F30.10
NTKM3 - 8449130 - Nantucket Island, MA 39 mi73 min SE 8G13 46°F 51°F30.09
NWPR1 - 8452660 - Newport, RI 39 mi73 min SE 5.1G7 47°F 47°F30.11
PVDR1 41 mi73 min S 12G13 50°F 30.1138°F
FOXR1 - 8454000 - Providence, RI 42 mi73 min SSE 13G16 50°F 47°F30.10
PDVR1 42 mi73 min SSE 9.9G11 48°F 30.1040°F
QPTR1 - 8454049 - Quonset Point, RI 42 mi73 min S 9.9G11 47°F 30.11
44018 - SE Cape Cod 30NM East of Nantucket, MA 44 mi93 min 45°F2 ft
44013 - BOSTON 16 NM East of Boston, MA 46 mi63 min SSE 14G16 47°F 2 ft30.0840°F


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 5 sm27 minSE 0510 smClear45°F39°F81%30.10
KPYM PLYMOUTH MUNI,MA 17 sm20 minS 0510 smClear48°F37°F66%30.08
KEWB NEW BEDFORD RGNL,MA 18 sm19 minS 0810 smClear48°F37°F66%30.09
KHYA BARNSTABLE MUNIBOARDMAN/POLANDO FIELD,MA 18 sm16 minvar 0410 smClear45°F37°F76%30.10
KMVY MARTHA'S VINEYARD,MA 20 sm19 minSE 0610 smClear46°F41°F81%30.10
Link to 5 minute data for KFMH


Wind History from FMH
(wind in knots)
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Tide / Current for Barlows Landing, Pocasset Harbor, Buzzards Bay, Massachusetts
   
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Barlows Landing
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Fri -- 12:09 AM EDT     0.64 feet Low Tide
Fri -- 04:17 AM EDT     Moonset
Fri -- 05:55 AM EDT     Sunrise
Fri -- 05:55 AM EDT     3.54 feet High Tide
Fri -- 12:14 PM EDT     0.58 feet Low Tide
Fri -- 03:24 PM EDT     Moonrise
Fri -- 06:17 PM EDT     3.84 feet High Tide
Fri -- 07:28 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Barlows Landing, Pocasset Harbor, Buzzards Bay, Massachusetts, Tide feet
12
am
0.6
1
am
0.7
2
am
1.1
3
am
1.8
4
am
2.6
5
am
3.3
6
am
3.5
7
am
3.2
8
am
2.5
9
am
1.7
10
am
1.1
11
am
0.7
12
pm
0.6
1
pm
0.6
2
pm
1
3
pm
1.6
4
pm
2.5
5
pm
3.4
6
pm
3.8
7
pm
3.7
8
pm
3
9
pm
2.1
10
pm
1.3
11
pm
0.8



Tide / Current for Cape Cod Canal, Massachusetts Current
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Cape Cod Canal
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Fri -- 01:11 AM EDT     0.04 knots Slack
Fri -- 04:17 AM EDT     Moonset
Fri -- 04:29 AM EDT     3.46 knots Max Flood
Fri -- 05:55 AM EDT     Sunrise
Fri -- 07:21 AM EDT     -0.18 knots Slack
Fri -- 10:12 AM EDT     -3.94 knots Max Ebb
Fri -- 01:32 PM EDT     0.17 knots Slack
Fri -- 03:24 PM EDT     Moonrise
Fri -- 05:00 PM EDT     3.86 knots Max Flood
Fri -- 07:28 PM EDT     Sunset
Fri -- 08:02 PM EDT     -0.10 knots Slack
Fri -- 10:45 PM EDT     -3.83 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
-2.7
1
am
-1.1
2
am
2.2
3
am
3.1
4
am
3.4
5
am
3.4
6
am
3
7
am
1.7
8
am
-2.3
9
am
-3.5
10
am
-3.9
11
am
-3.8
12
pm
-3.2
1
pm
-2
2
pm
1.8
3
pm
3.1
4
pm
3.7
5
pm
3.9
6
pm
3.7
7
pm
2.9
8
pm
0.6
9
pm
-2.8
10
pm
-3.7
11
pm
-3.8




Weather Map
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Boston, MA,



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