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

May 18, 2024 1:39 PM EDT (17:39 UTC) Change Location
Sunrise 5:19 AM   Sunset 8:02 PM
Moonrise 3:19 PM   Moonset 3:02 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.

Marine Forecasts
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ANZ236 Narragansett Bay- 104 Pm Edt Sat May 18 2024

This afternoon - NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. A chance of rain.

Tonight - N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog in the evening. A chance of rain in the evening with vsby 1 to 3 nm.

Sun - NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft.

Sun night - NE winds 10 to 15 kt. Waves 2 to 3 ft.

Mon - NE winds 5 to 10 kt. Waves around 2 ft.

Mon night - SE winds 5 to 10 kt, becoming sw after midnight. Waves around 2 ft.

Tue through Wed night - SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
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 104 Pm Edt Sat May 18 2024

Synopsis for massachusetts and rhode island coastal waters - Light scattered showers with low ceilings and areas of fog continue this afternoon and evening as low pressure continues to spin well off shore to the east. Shower chances decrease for Sunday. High pressure builds in late Sunday with dry conditions persisting through early next week.


7 Day Forecast for Marine Location Near Somerset, MA
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Area Discussion for - Boston, MA
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FXUS61 KBOX 181428 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1028 AM EDT Sat May 18 2024

SYNOPSIS
Unsettled and cool today with scattered showers. Trending drier with breaks of sunshine developing Sunday afternoon from northwest to southeast, as high pressure begins to nudge in from the southwest. Early summerlike temperatures expected Monday through Wednesday, with the warmest days expected to be Tuesday and Wednesday. A cold front around Thursday offers the next chance at showers or thunderstorms, with temperatures then cooling to more seasonable levels by late in the week.

NEAR TERM /UNTIL 8 PM THIS EVENING/

1015 AM Update:

Not much change from previous forecast, cloudy with periods of light rain and drizzle. Not a washout, but more nuisance rain.
Currently some enhancement to the rainfall taking place across the Worcester Hills. This is in response to NE flow up to 19 kt at KORH, providing upslope component. Otherwise, it's periods of light rain/drizzle. Rain shield struggling to reach western MA/CT, as low level jet weakens westward. In fact, across this region there are some breaks in the overcast and dry weather yielding temps in the low 60s. Meanwhile, the remainder of the region is stuck in the 50s. Normal high for May 18th is 67-72.
Thus, much cooler than normal especially across eastern MA and RI. Previous discussion below.

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Forecast still looks on track as vertically stacked circulation to our south draws maritime moisture back westward. Unfortunately that will translate to a cool, raw overcast, with intermittent/periodic light rain showers mainly in eastern MA and RI. The showers won't necessarily be present all the time or be a washout, but there will be some to dodge. There is some guarded optimism that western MA could see more of a partly to mostly cloudy look but most everywhere should be socked in with lower clouds. A good day for a bowl of clam chowdah! Temps not likely to go very far from existing values, in the mid 50s to lower-mid 60s.

SHORT TERM /8 PM THIS EVENING THROUGH 6 PM SUNDAY/

Pattern of persistence carries through this evening with little change in the synoptic setup through early tomorrow morning.
Shortwave passing to our Northwest may renew shower activity between 00-06Z tonight. Widely scattered shower activity across the eastern half of the CWA will become increasingly sparse after the midnight hour, giving way to a more drizzle-stratus dominated environment by early morning. Temps will pretty much remain stagnant overnight given no change in the pattern with low sin the 50s.

While Sunday previously looked to be a much nicer day for southern New England, there are indications that the influence of onshore flow will persist through the better part of the day across eastern MA and RI, though conditions should improve across CT and western MA as weak high pressure is able to take better hold over the region.
Fortunately, pesky mid level low tracks seaward, which will allow rain chances to decrease significantly by sunrise. As has been the case with many days this Spring, it's likely Sunday is another case of the "haves and have nots", as the CT River Valley breaks out into sunshine and temperatures warm into the low 70s while strong onshore flow pins stratus across eastern MA and much of RI where temps struggle to climb out of the 50s along the immediate coast. It's probably safe to say those in the Boston to Providence corridor are ready to shake this gloomy pattern, but fear not, the long term AFD highlights a significant pattern chance by mid week!

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/

Highlights:

* Warming temperatures under partly to mostly sunny weather through midweek, with the warmest days likely on Tuesday and Wednesday.
Could have our first 80 degree day in Boston Tuesday and/or Wednesday, with 3 days of lower-mid 80s in Hartford.

* Our next chance for rains is around later Wednesday night or Thursday with showers or thundershowers associated with a cold front.

* Cooling to more seasonable levels for late-week.

Details:

While the general theme of a substantial warming trend to temperatures for the early to midweek period is still valid, today's 00z guidance indicated more potential for continued cloud cover on Monday with higher RH in the 1000-850 mb layer, especially for eastern and southeast New England. Ended up bringing highs down from NBM by a couple degrees for Monday on the basis of this cloud cover, though the temperature forecast has obvious sensitivities to how long clouds linger/scatter out, and that is still a bit unclear.
Kept highs in the mid 50s to mid 60s for the coasts and the coastal plain, but still think highs soar into the mid to upper 70s from central MA/eastern CT westward with less cloud cover.

Warmest days look to be on Tuesday and Wednesday, with full sunshine, southwest breezes and continue dry weather. Relatively strong SW flow should keep sea breezes from making much of any intrusion landwards, so even sites such as Boston and the North and South Shore have a solid chance at reaching 80 degrees, having last occurred at Boston on October 28th of last year. Mid 80s inland seem reasonable on both days. Despite the breezes, both days should feel more reminiscent of early summer with dewpoint temps in the mid to upper 50s.

Dry weather to prevail through Wednesday. Our next chance for showers or thundershowers isn't until a cold front arrives around Wednesday night or Thursday, but the timing and the strength of any thunderstorms are both uncertain. Latest guidance favors Thursday for frontal passage so favored the highest PoP around Thursday but only around 20-30 percent given the uncertainties in timing. Friday appears to be more entrenched in post-frontal colder air, with temps seemingly poised to return closer to late-May climatological levels.

AVIATION /14Z SATURDAY THROUGH WEDNESDAY/
Forecast Confidence Levels:

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

15z TAF Update: not much change from previous TAFs. Only consideration is adding a PROB30 of LIFR conditions overnight, as all guidance sources suggest these conditions across eastern MA, including KBOS. Earlier discussion below.

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Today: High confidence in trends, though moderate on timing.

IFR bases were already common over south coastal MA and were starting to lower into MVFR range the PVD/BOS corridor, with VFR in the interior. Continued deterioration anticipated in all areas with MVFR becoming common, and IFR/at times LIFR for central/eastern MA and RI. Scattered hit-or-miss showers for the eastern which was messaged in TAFs as P6SM -RA, although could be a round of steadier rains developing later today. NE Winds 5-15kt with a few gusts to 20kt possible along the immediate eastern coastline.

Saturday Night...Moderate confidence.

Conditions remain consistently MVFR to LIFR from West to Southeast, lowest on the Cape and Islands. Light showers and drizzle continue through the first half of the evening. MVFR to IFR conditions persist due to pesky onshore flow. Winds continue to blow from the E/ENE gusting to around 10-15kt overnight.

Sunday... Moderate Confidence

Conditions improve from west to east after sunrise from MVFR/IFR to VFR/MVFR. VFR possible for BOS-PVD line, SE after 18Z, though MVFR to hang on across the Cape for the duration of the day. NE winds gusting 15 to perhaps 20kt once again.

KBOS TAF...High confidence in TAF through 00Z. Moderate after this time.

MVFR to deteriorate to IFR late morning/early afternoon, with periodic -SHRA, though may trend towards a steady light rain after 00z. NE flow 10-15kt with the occasional gust to 20kt possible.

KBDL TAF...High confidence in TAF.

Generally VFR but will become borderline VFR/MVFR this afternoon. Showers most likely stay east of the terminal but a stray shower may impact the terminal this afternoon or early evening. Winds NE 5-10kt with gusts to 15kt.

Outlook /Sunday Night through Wednesday/...

Sunday Night through Monday: Mainly VFR, with local MVFR possible.

Monday Night through Tuesday Night: VFR.

Wednesday: VFR. Breezy.

MARINE
Forecaster Confidence Levels:

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

Extended the SCA for the eastern outer waters through early Monday morning for persistent seas.

Saturday... High confidence.

Scattered light rain and drizzle across the waters. Will have visibilities of 3-5 SM. Persistent 15-20 kts out of the NE with gusts up to 20 kts. Seas 1-4 ft across the interior waters and 4-6 ft for the outer.

Saturday Night...Moderate confidence.

Scattered light rain and drizzle anticipated to persist. Will continue to see NE winds at 10-15 kts and gusts around 20 kts.
Visibilities of 3-5 SM and seas 3-6 ft for the outer waters.

Sunday... High Confidence.

Continued NE winds 10-15kt. Seas across the eastern outer waters will remain above 5 feet through the period, but will fall below 5 ft elsewhere. Vsby reductions early Sunday morning should improve through the day.

Outlook /Sunday Night through Wednesday/...

Sunday Night: Winds less than 25 kt. Seas up to 5 ft.

Monday through Monday Night: Winds less than 25 kt. Areas of seas approaching 5 ft.

Tuesday: Winds less than 25 kt. Seas locally approaching 5 ft.

Tuesday Night through Wednesday: Winds less than 25 kt.

BOX WATCHES/WARNINGS/ADVISORIES
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory until 2 AM EDT Monday for ANZ250-254.
Small Craft Advisory until 8 PM EDT this evening for ANZ255- 256.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 0 mi52 min NE 8G9.9 56°F 30.00
FRVM3 - 8447386 - Fall River, MA 1 mi52 min 56°F 54°F30.01
FRXM3 1 mi52 min 56°F 55°F
CPTR1 - 8452944 - Conimicut Light, RI 9 mi52 min N 13G16 55°F 58°F30.00
NAXR1 - Narragansett Bay Reserve, RI 10 mi115 min E 8 57°F 30.0156°F
PRUR1 10 mi52 min 57°F 56°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 10 mi52 min NE 11G14 57°F 30.01
PVDR1 12 mi52 min NNE 6G13 57°F 30.0255°F
FOXR1 - 8454000 - Providence, RI 14 mi52 min NNE 11G15 57°F 53°F30.01
PDVR1 14 mi52 min N 11G16 57°F 29.9856°F
NBGM3 15 mi52 min NE 8.9G12 54°F 30.01
QPTR1 - 8454049 - Quonset Point, RI 15 mi52 min NNE 18G21 56°F 30.00
NWPR1 - 8452660 - Newport, RI 16 mi52 min N 9.9G14 56°F 55°F29.99
44085 23 mi70 min 53°F 53°F3 ft
BUZM3 - Buzzards Bay, MA 23 mi40 min NNE 18G19 53°F 29.98
BZBM3 - 8447930 - Woods Hole, MA 29 mi52 min 54°F 56°F29.99
44090 45 mi70 min 51°F 53°F2 ft
BHBM3 - 8443970 - Boston, MA 45 mi52 min 58°F 30.03
44020 - NANTUCKET SOUND 49 mi40 min NNE 12G16 53°F 55°F29.9753°F


Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KEWB NEW BEDFORD RGNL,MA 11 sm25 minNNE 105 smOvercast Mist 57°F55°F94%29.98
KPVD THEODORE FRANCIS GREEN STATE,RI 14 sm11 minNNE 16G257 smOvercast57°F55°F94%30.00
KTAN TAUNTON MUNI KING FIELD,MA 14 sm17 minvar 044 smOvercast Mist 57°F54°F88%30.01
KUUU NEWPORT STATE,RI 14 sm8 minNNE 13G239 smOvercast Lt Rain 55°F54°F94%29.98
KOQU QUONSET STATE,RI 15 sm49 minNNE 203 smOvercast Lt Rain Mist 59°F55°F88%29.99
KSFZ NORTH CENTRAL STATE,RI 22 sm43 minNE 0810 smOvercast Lt Rain 57°F57°F100%30.01
Link to 5 minute data for KEWB


Wind History from EWB
(wind in knots)
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Tide / Current for Fall River, Narragansett Bay, Massachusetts (sub)
   
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Fall River, Narragansett Bay, Massachusetts (sub), Tide feet


Tide / Current for Westport River Entrance, Massachusetts Current
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Westport River Entrance
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Sat -- 12:23 AM EDT     0.00 knots Slack
Sat -- 03:01 AM EDT     Moonset
Sat -- 03:25 AM EDT     2.01 knots Max Flood
Sat -- 05:21 AM EDT     Sunrise
Sat -- 05:39 AM EDT     -0.01 knots Slack
Sat -- 08:05 AM EDT     -1.97 knots Max Ebb
Sat -- 12:29 PM EDT     0.00 knots Slack
Sat -- 03:17 PM EDT     Moonrise
Sat -- 03:47 PM EDT     2.20 knots Max Flood
Sat -- 06:06 PM EDT     -0.01 knots Slack
Sat -- 08:00 PM EDT     Sunset
Sat -- 08:36 PM EDT     -2.11 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Westport River Entrance, Massachusetts Current, knots
12
am
-0.3
1
am
0.5
2
am
1.3
3
am
1.9
4
am
1.9
5
am
0.9
6
am
-0.5
7
am
-1.6
8
am
-2
9
am
-1.8
10
am
-1.4
11
am
-0.9
12
pm
-0.4
1
pm
0.4
2
pm
1.2
3
pm
2
4
pm
2.2
5
pm
1.5
6
pm
0.2
7
pm
-1.2
8
pm
-2
9
pm
-2.1
10
pm
-1.8
11
pm
-1.4


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




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