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

May 8, 2024 4:18 PM EDT (20:18 UTC) Change Location
Sunrise 5:27 AM   Sunset 7:51 PM
Moonrise 5:29 AM   Moonset 9:00 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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ANZ230 Boston Harbor- 243 Pm Edt Wed May 8 2024

Tonight - NE winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. Isolated showers and tstms this evening with vsby 1 nm or less.

Thu - N winds 5 to 10 kt, becoming ne 10 to 15 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. Scattered showers in the afternoon.

Thu night - E winds 10 to 15 kt, becoming ne 15 to 20 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. Scattered showers.

Fri - NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Waves 2 to 3 ft. Scattered showers in the morning, then a chance of rain in the afternoon.

Fri night - NE winds 10 to 15 kt. Waves 2 to 3 ft in the evening, then 1 foot or less. At the outer harbor entrance, waves 2 to 4 ft. A chance of rain.

Sat - NE winds around 10 kt. Waves 2 to 3 ft.

Sat night - SE winds around 10 kt, becoming sw after midnight. Waves around 2 ft in the evening, then 1 foot or less.

Sun and Sun night - SE winds 5 to 10 kt, becoming e. Waves around 2 ft. A chance of rain.

Mon and Mon night - NW winds around 10 kt, becoming sw. Waves around 2 ft.
winds and waves higher in and near tstms.
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 243 Pm Edt Wed May 8 2024

Synopsis for massachusetts and rhode island coastal waters - Showers and isolated Thunderstorms move through the region this morning ahead of a warm front. Then a second round of scattered showers and Thunderstorms develop this afternoon with a few strong storms capable of producing hail. Periods of unsettled weather continue late this week into this weekend with showers at times. Temperatures will average below normal late this week into the weekend. Milder/seasonable temperatures should return early next week.


7 Day Forecast for Marine Location Near Scituate, MA
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Area Discussion for - Boston, MA
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FXUS61 KBOX 081819 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA Issued by National Weather Service New York NY 219 PM EDT Wed May 8 2024

SYNOPSIS
Another round of scattered showers and thunderstorms will move across the region this afternoon and this evening. Periods of unsettled weather continue late this week into this weekend with showers at times. Temperatures will average below normal late this week into the weekend. Milder/Seasonable temperatures should return early next week.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/
Key Points...

* Another round of scattered showers and t-storms possible this afternoon and evening. A few strong to marginally severe storms possible, with hail the primary threat

A mid-level shortwave moves into New England this afternoon and evening. This is expected to set off some additional showers and thunderstorms this evening. Good cooling aloft as 500 mb temps drop to -16 to -18C will result in rather steep mid level lapse rates 7- 7.5 C/km overspreading the region. This will contribute to MUCAPES 500-1000+ J/kg developing across much of the region late this afternoon. We have already seen some convective storms start to fire well northwest of the region. While storms may be mostly elevated, potential exists for marginally severe hail given impressive effective bulk shear values of 50+ kt along with steep mid level lapse rates. SPC has all of SNE within a marginal risk but it appears focus for strongest storms will be from northern CT through interior MA.

There is some uncertainty regarding the extent of surface based instability this afternoon due to presence of cooler low level airmass. Damaging wind threat will be dependent on surface based storms developing. Best chance of SBCAPES up to 1000 J/kg will be across western MA and northern CT as these areas may sneak into the warm sector ahead of a cold front, and decent low level lapse rates develop here. This is where strong to damaging wind threat will be highest with any strong storms.

Any convection that does develop should come to an end prior to midnight, with drier air working into the region behind the storms.
Expect some clearing conditions especially across the interior.
There is a chance that some stratus and patchy fog may linger in the coastal plain. Lows will be in the upper 40s and lower 50s.

SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/
Thursday starts out dry as a wedge of dry air remains in place over SNE. Moisture increases from the SW during the afternoon ahead of next shortwave dropping through the Great Lakes and OH valley, with low pressure moving to mid Atlantic region. Risk of showers will increase during the afternoon. Highs should be mostly in the 60s, mildest CT valley and coolest along the coast in eastern MA where developing NE flow will likely hold temps in the upper 50s here.

These showers will continue into Thursday night. With cloud cover and rain, temperatures across much of the area will remin in the middle and upper 40s.

LONG TERM /FRIDAY THROUGH WEDNESDAY/
Key Points...

* More widespread rain possible Friday into Saturday night

* Below average temperatures continue through the weekend

* More seasonable temps return next week

Friday

A shortwave trough exits out of the Ohio River Valley becoming negatively tilted as it moves over SNE. The surface low is initially vertically stacked with the shortwave aloft and begins to occlude as new low forms and intensifies offshore to the east. Although the best forcing will be to the south of SNE, the chances for a widespread rain are increasing. As a mid level low passes over and intensifies to the south of the region, this will drag down rather cold 850mb air around 0C to -2C. With ENE winds at the surface, along with cold 850mb temps, low clouds, and rain, high temps may struggle to even reach 50F across the region. Rain looks to continue into Friday night before tapering off Saturday morning. Overnight lows look to drop into the low 40s, with upper 30s possible in the high terrain. Not out of the question that snow mixes in with rain across the high terrain in the Berkshires.

Saturday

Surface and midlevel low move well out to sea bringing widespread rain to end in the morning. However, an upper level closed low drops south over the region leaving SNE under cyclonic flow aloft. With weak forcing aloft and the mid level cold pool still in place, this will likely lead to a hit or miss light showers/drizzle. High temps on Saturday don't look to recover much with thick low level cloud layer still around. High temps should only reach the low to mid 50s with continued onshore flow.

Sunday

Another weak surface low exits the Ohio River Valley and passes just south of SNE. This could bring another round of widespread light rain to the region. Uncertainty with this system remains high given the weak upper level forcing and not much run to run consistency on the track of the low. Highs remain below normal Sunday and could once again struggle to reach 50F.

Next week

The pesky upper level low and mid level cold pool finally move east as a midlevel shortwave brings WAA and 850mb temps above 0C to even +10C by mid week. This will allow high temps to moderate back into the low to mid 70s. As for rain chances, high pressure to the south should keep things dry early in the week. Rain chances look to increase again mid to late week, but uncertainty is high at this time.

AVIATION /18Z WEDNESDAY THROUGH MONDAY/
Forecast Confidence Levels:

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

18z TAF Update...

Stubborn RA/SHRA will continue over KBOS/KBED/KFMH and KHYA for the next hour or so before pushing offshore. Latest satellite showing broad clearing across western terminals so expect some brief improvement in cigs into early afternoon before any convective activity pushes into the area from eastern NYS.
Elsewhere for the eastern terminals, IFR conditions look to continue into the afternoon.

Today...Moderate confidence.

A round of scattered showers/t-storms remains possible 19-00z, with best chance from northern CT northward through interior MA.
Have maintained VCTS for all terminals given the low confidence in coverage. Some hail is possible with the afternoon/early evening activity. A period of SW gusts to 20 kt and pockets of LLWS possible this afternoon across SE MA and Cape/Islands as LLJ develops and moves across the region.

Tonight...Low to moderate confidence.

SHRA/TS exits into the waters early this evening. Some clearing is possible tonight for western MA/CT but stratus and patchy fog may linger across eastern MA and RI. Extent of IFR conditions is uncertain. Light winds.

Thursday...Moderate confidence.

A period of VFR/MVFR conditions after 12Z trending to widespread MVFR in the afternoon as more showers develop. N wind 5-15 kt becoming NE.

KBOS TAF...Moderate confidence in TAF. Scattered showers and possible t-storms redevelop to the north and west this afternoon and may move across BOS mid-late afternoon. IFR cigs look to remain at least through 09Z Thursday, possibly lasting into the morning push.

KBDL TAF...Moderate confidence in TAF. Another round of scattered showers or t-storm possible this afternoon and we have maintained the VCTS in the TAF given the uncertainty in coverage.
IFR cigs look to remain at least through 09Z Thursday, possibly lasting into the morning push.

Outlook /Friday through Monday/...

Thursday Night: MVFR/IFR conditions possible. Breezy. Chance SHRA.

Friday through Friday Night: MVFR/IFR conditions possible.
Chance RA.

Saturday: MVFR/IFR conditions possible.

Saturday Night: Mainly VFR, with areas MVFR possible. Slight chance SHRA.

Sunday: Mainly VFR, with local MVFR possible. Chance RA.

MARINE
Forecaster Confidence Levels:

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

Through Thursday...High confidence.

Low level jet will bring a period of SW gusts to 20+ kt to south coastal waters this afternoon and evening. Winds diminish tonight, becoming north by Thu morning then NE 10-20 kt during Thu afternoon. Seas remain below SCA thresholds. Areas of fog will reduce vsbys at times over south coastal waters through tonight. Scattered showers and embedded t-storms move through this morning into early afternoon.

Outlook /Friday through Monday/...

Thursday Night: Winds less than 25 kt. Areas of seas approaching 5 ft. Chance of rain showers.

Friday through Friday Night: Winds less than 25 kt. Seas up to 5 ft. Slight chance of rain.

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

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

Sunday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Slight 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
44013 - BOSTON 16 NM East of Boston, MA 11 mi39 min NW 3.9G5.8 51°F 49°F29.5851°F
BHBM3 - 8443970 - Boston, MA 20 mi49 min 58°F 29.55
44029 - Buoy A0102 - Mass. Bay/Stellwagen 24 mi135 min SW 7.8G12 53°F 51°F3 ft29.56
44018 - SE Cape Cod 30NM East of Nantucket, MA 30 mi69 min 48°F4 ft
44090 32 mi49 min 55°F 51°F2 ft
FRVM3 - 8447386 - Fall River, MA 41 mi49 min 58°F 55°F29.60
NBGM3 41 mi49 min WSW 9.9G16 56°F 29.60
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 42 mi49 min SSW 8G9.9 57°F 29.58
FRXM3 42 mi49 min 58°F 57°F
FOXR1 - 8454000 - Providence, RI 45 mi49 min SSE 13G16 59°F 53°F29.56
PVDR1 45 mi49 min SSE 11G14 59°F 29.5758°F
BZBM3 - 8447930 - Woods Hole, MA 47 mi49 min 58°F 53°F29.59
CPTR1 - 8452944 - Conimicut Light, RI 47 mi49 min SSE 14G15 55°F 57°F29.57


Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KGHG MARSHFIELD MUNI GEORGE HARLOW FIELD,MA 7 sm23 minSSW 10G1610 smOvercast61°F59°F94%29.56
KBOS GENERAL EDWARD LAWRENCE LOGAN INTL,MA 19 sm24 minNNE 056 smOvercast Mist 59°F57°F94%29.55
KPYM PLYMOUTH MUNI,MA 20 sm26 minSSW 0810 smOvercast57°F55°F94%29.57
KOWD NORWOOD MEMORIAL,MA 24 sm25 minS 0510 smOvercast66°F63°F88%29.53
Link to 5 minute data for KGHG


Wind History from GHG
(wind in knots)
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Tide / Current for Scituate, Massachusetts
   
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Scituate
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Wed -- 05:28 AM EDT     Moonrise
Wed -- 05:28 AM EDT     Sunrise
Wed -- 05:56 AM EDT     -1.44 feet Low Tide
Wed -- 12:05 PM EDT     9.74 feet High Tide
Wed -- 06:08 PM EDT     -0.35 feet Low Tide
Wed -- 07:50 PM EDT     Sunset
Wed -- 08:59 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Scituate, Massachusetts, Tide feet
12
am
10.7
1
am
9.4
2
am
7.2
3
am
4.4
4
am
1.5
5
am
-0.7
6
am
-1.4
7
am
-0.6
8
am
1.4
9
am
4.1
10
am
6.8
11
am
8.9
12
pm
9.7
1
pm
9.2
2
pm
7.7
3
pm
5.4
4
pm
2.9
5
pm
0.7
6
pm
-0.3
7
pm
0.3
8
pm
2.2
9
pm
4.7
10
pm
7.5
11
pm
9.8


Tide / Current for Boston Harbor, Massachusetts Current
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Boston Harbor
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Wed -- 03:11 AM EDT     -1.53 knots Max Ebb
Wed -- 05:29 AM EDT     Moonrise
Wed -- 05:29 AM EDT     Sunrise
Wed -- 05:48 AM EDT     0.00 knots Slack
Wed -- 08:54 AM EDT     1.42 knots Max Flood
Wed -- 11:41 AM EDT     -0.00 knots Slack
Wed -- 03:30 PM EDT     -1.38 knots Max Ebb
Wed -- 06:04 PM EDT     0.00 knots Slack
Wed -- 07:51 PM EDT     Sunset
Wed -- 09:01 PM EDT     Moonset
Wed -- 09:10 PM EDT     1.49 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Boston Harbor, Massachusetts Current, knots
12
am
-0.5
1
am
-1.1
2
am
-1.4
3
am
-1.5
4
am
-1.4
5
am
-0.8
6
am
0.2
7
am
1
8
am
1.3
9
am
1.4
10
am
1.2
11
am
0.5
12
pm
-0.2
1
pm
-0.8
2
pm
-1.2
3
pm
-1.4
4
pm
-1.4
5
pm
-1
6
pm
-0.1
7
pm
0.9
8
pm
1.4
9
pm
1.5
10
pm
1.4
11
pm
0.8


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





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