Wednesday, June3, 2020
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Marine Weather and Tides
North Scituate, MA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 5:05AMSunset 8:17PM Wednesday June 3, 2020 2:39 AM EDT (06:39 UTC) Moonrise 5:51PMMoonset 3:46AM Illumination 92% Phase: Waxing Gibbous; Moon at 12 days in cycle
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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ANZ251 Massachusetts Bay And Ipswich Bay- 116 Am Edt Wed Jun 3 2020
Rest of tonight..S winds 5 to 10 kt. Seas 2 to 3 ft.
Wed..S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers.
Wed night..W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. A chance of showers.
Thu..W winds 5 to 10 kt, becoming S with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Thu night and Fri..S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Fri night..SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Sat and Sat night..SW winds 5 to 10 kt, becoming nw. Seas 2 to 3 ft. A chance of showers.
Sun and Sun night..N winds 5 to 10 kt. Seas 2 to 4 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 116 Am Edt Wed Jun 3 2020
Synopsis for massachusetts and rhode island coastal waters.. A warm front lifts north over the waters this evening. High pressure builds southeast of our waters Wednesday through Friday. A weak cold front crosses the waters early Thursday and stalls south of long island, providing chances of showers through Saturday morning. A stronger cold front crosses the water on Saturday followed by high pressure building across the waters this weekend. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the current hazards link above the map on the left.


7 Day Forecast for Marine Location Near North Scituate, MA
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location: 42.33, -70.57     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 030533 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 133 AM EDT Wed Jun 3 2020

SYNOPSIS.

An abundance of clouds at times today with a few passing showers, but the majority of the day will feature dry weather. Dry and warm on Thursday, then an approaching cold front will bring a chance of showers and thunderstorms Friday, with a better chance on Saturday. Cooler conditions follow Sunday with a risk of a shower, then dry and seasonably warm weather early next week.

NEAR TERM /UNTIL 6 AM THIS MORNING/.

130 AM Update .

A warm front was approaching the region from the west very early this morning. However, the best forcing/instability was located to our southwest. The result will be an abundance of mid level cloudiness, but other than a few brief passing showers expect dry weather to dominate. The clouds and increasing low level moisture will keep overnight lows mainly in the middle to upper 50s by daybreak.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM THURSDAY/.

Wednesday:

Early-morning overcast skies with areas of mist or fog along the South Coast, Cape Cod and the Islands should give way to some cloud breaks by mid to late morning.

We'll then have to watch the progression/evolution of a weak mid- level disturbance currently contributing to active convection over western MN, which still remains source of significant uncertainty to the forecast especially for later in the day Wednesday. Today's 12z synoptic models have shifted the warm front a bit further north/east. What's less clear is where this disturbance aloft tracks and the northern extent of potential thunder chances. Northward position and location of showers/thunder has been difficult to pinpoint with this weak disturbance aloft; this feature potentially struggling with model-gridscale convective feedback issues. Today's models have shifted further north and east has resulted in raising a somewhat greater possibility of thunder a bit more, at least from Windsor Locks to Cranston south and west, during the mid- afternoon to early evening (approx. 2 to 7 PM). Forecast soundings show advection of steeper mid-level lapse rates, which range from around 6-6.5 C/km in the GFS to about 1 degree C/km greater on the more robust NAM in the 700-500 mb layer. With rising dewpoints, it leads to most-unstable CAPE values around 1000 J/kg across northern CT into central RI. There is also a healthy amount of effective bulk shear into this instability layer at around 40 kt, less so further north. But as is often the case with these situations, both models show a fairly good cap to convection around 800 mb that will also have to be eroded before any storms were to get going. There are also only a few CAMs which show any particularly robust convection into northern CT into RI, and hardly any at all near/north of the Mass Pike.

For the mid to late afternoon hours, at the moment I do think showers with embedded rumbles of thunder are the more likely outcome for areas such as Hartford to Windsor Locks east-southeast, with rain further north and east. If the capping should prove weaker or the shortwave tracks a bit further north and more favorably through Southern New England, a few stronger storms embedded in a larger swath of rain could ensue, possibly capable of hail or localized wind gusts given the shear/instability space. Given the uncertainty described in the track of the initiating disturbance and the degree of capping, however, how strong storms may get and how far north/east any storms make it is something that will need to be refined. While signals in the CAMs seem to be pointing more toward the lower Hudson Valley/Poconos area southward for potential stronger/severe storms (where SPC has delineated higher severe probs in the Day-2 Outlook), did note SPC did bring lower-end severe probabilities - 5%/Marginal Risk - northward into Litchfield and Fairfield counties in CT. Highs in the 70s to lower 80s for many, given southwest winds keeping sea breezes to the immediate coast.

Wednesday Night:

Any lingering showers or storms clear early Wednesday night. Frontal boundary shifts southward with west winds under building weak high pressure permitting drier weather. Gradually decreasing sky cover towards mostly clear to partly cloudy by daybreak. Lows mid 50s to lower-mid 60s.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/.

Highlights .

* Dry and warm Thursday * Few showers/t-storm possible Fri; better chance t-storms Sat * Cooler Sun with continued risk of a few showers * Dry and seasonably warm Mon/Tue

Thursday .

Deeper moisture and higher PWATs get pushed to the south behind the cold front. Result will be lots of sunshine and warm temps. Soundings show a deep boundary layer to 850 mb and above. 850 mb temps 12-14C will support highs in the low/mid 80s, except 70s along the immediate south coast. Comfortable humidity levels with dewpoints in the 50s, except lower 60s near the south coast.

A weak mid level shortwave approaching from the SW may bring a few showers or an isolated t-storm Thu night, mainly south of the Pike.

Friday into Saturday .

There is some uncertainty with respect to moisture return and higher PWATs on Fri which will have an impact on instability. Given flat flow aloft with better forcing well back across the Gt Lakes, thinking any convection will be widely scattered at best with very marginal instability and weak mid level lapse rates. Most of the day will likely be dry with partly to mostly sunny skies and very warm temps as 850 mb temps increase to 15-16C. Highs Fri will reach mid/upper 80s away from the south coast. More humid as well as dewpoints climb into the 60s.

Better chance of showers/t-storms Sat as mid level trough and attendant cold front approach from the Gt Lakes with better forcing and modest instability. CAPES possibly increasing to 1000-2000 J/kg. Can't rule out a few strong storms with severe wx possible as wind field and deep layer shear increase with the approach of the mid level trough. More cloud cover expected Sat but highs should reach upper 70s and lower 80s. If more sun, temps would likely get into mid 80s.

Sunday into Tuesday .

High amplitude trough sweeps across New Eng Sun with cooler temps and risk of a few showers. Then it looks dry and seasonable early next week as New Eng will be under NW flow aloft and sandwiched between strong ridge across the midwest and upper trough to the NE.

AVIATION /05Z WEDNESDAY THROUGH SUNDAY/. Forecaster Confidence Levels .

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

06Z Update .

Today . High confidence. VFR conditions dominate, but may see a period of MVFR conditions flirt with the south coast at times later this morning and afternoon. While much of the day will be dry, a few showers especially during the afternoon may result in briefly lower conditions. The threat for thunder looks to be southwest of our region, but can not rule out the low risk for a rumble or two in CT. SW winds of 5 to 15 knots shift to the west during the afternoon, but a period of sea breezes are possible for a time along portions of the immediate coast.

Tonight . High confidence. VFR except for some MVFR-IFR cigs/vsbys near the south coast, Cape, Islands especially during the evening. W winds around 5 knots.

Thursday . High confidence. VFR with SW winds of 5 to 15 knots.

KBOS Terminal . High confidence in TAF.

KBDL Terminal . High confidence in TAF.

Outlook /Thursday Night through Sunday/ .

Thursday Night: VFR. Slight chance SHRA.

Friday: VFR. Slight chance SHRA, isolated TSRA.

Friday Night: Mainly VFR, with local MVFR possible. Breezy. Chance SHRA, slight chance TSRA.

Saturday: VFR. Chance SHRA, slight chance TSRA.

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

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

MARINE. 730PM Update .

Fairly quiet weather on the waters as seas remain under 4 ft and winds less than 20 kt. For tonight, high pressure will give way to a weak warm front with winds becoming SW. Rising moisture could allow for areas of fog to develop on the southern waters overnight. Visibilities between 1-3 miles, as low as one-half mile possible.

A stronger disturbance moving southeastward Wednesday will allow for southwest winds to increase but still only lead to lower-20 kt gusts. Seas may get close to SCA criteria for southern/southeastern waters and that may need to be considered later but confidence wasn't high enough to hoist at the time. Rain/embedded thunder possible from Block Island Sound eastward to the waters south of Nantucket/MVY late in the day. Improving conditions with lighter west winds and lower seas for Wednesday night.

Outlook /Thursday Night through Sunday/ .

Thursday: Winds less than 25 kt. Local rough seas.

Thursday Night through Friday: Winds less than 25 kt. Areas of seas approaching 5 ft. Slight chance of rain showers.

Friday Night: Winds less than 25 kt. Seas up to 5 ft. Chance of rain showers, slight chance of thunderstorms.

Saturday: Winds less than 25 kt. Areas of seas approaching 5 ft. Chance of rain showers, slight chance of thunderstorms.

Saturday Night: Winds less than 25 kt. Areas of seas approaching 5 ft. Slight chance of rain showers.

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

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . High Rip Current Risk from 6 AM EDT this morning through this evening for RIZ008. MARINE . None.

SYNOPSIS . KJC/Loconto NEAR TERM . Frank SHORT TERM . Loconto LONG TERM . KJC AVIATION . Frank/KJC MARINE . KJC/Loconto


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44013 - BOSTON 16 NM East of Boston, MA 4 mi49 min S 5.8 G 7.8 57°F 56°F1 ft1006.5 hPa (-2.4)56°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 13 mi95 min SW 9.7 G 12 56°F 46°F2 ft1005.9 hPa
44018 - SE Cape Cod 30NM East of Nantucket, MA 24 mi49 min S 9.7 G 9.7 55°F 1 ft1007.8 hPa (-2.0)51°F
BHBM3 - 8443970 - Boston, MA 25 mi57 min 55°F1006.2 hPa
44090 36 mi39 min 57°F1 ft
44098 - Jeffrey's Ledge, NH (160) 39 mi31 min 53°F2 ft
IOSN3 - Isle of Shoals, NH 44 mi39 min SW 4.1 G 4.1 57°F 1006.1 hPa (-2.6)52°F
44073 48 mi95 min SW 3.9 G 5.8 55°F 52°F

Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marshfield Airport, MA17 mi64 minSSW 410.00 miOvercast59°F55°F88%1007.4 hPa

Link to 5 minute data for KGHG

Wind History from GHG (wind in knots)
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Last 24hrNW3NW4CalmCalmN344NE7NE8E5SE7SE7E7SE7
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1 day ago444456
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Tide / Current Tables for Scituate, Massachusetts
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Scituate
Click for Map
Wed -- 03:34 AM EDT     -0.57 feet Low Tide
Wed -- 03:46 AM EDT     Moonset
Wed -- 05:08 AM EDT     Sunrise
Wed -- 09:40 AM EDT     9.48 feet High Tide
Wed -- 03:50 PM EDT     -0.28 feet Low Tide
Wed -- 05:51 PM EDT     Moonrise
Wed -- 08:14 PM EDT     Sunset
Wed -- 10:01 PM EDT     10.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.23.71.3-0.3-0.40.82.95.37.69.29.48.56.74.52.20.3-0.30.72.85.37.99.910.610

Tide / Current Tables for Marblehead Channel, Massachusetts Current
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Marblehead Channel
Click for Map
Wed -- 02:08 AM EDT     -0.44 knots Max Ebb
Wed -- 03:46 AM EDT     Moonset
Wed -- 04:33 AM EDT     0.00 knots Slack
Wed -- 05:07 AM EDT     Sunrise
Wed -- 07:44 AM EDT     0.45 knots Max Flood
Wed -- 10:29 AM EDT     -0.00 knots Slack
Wed -- 02:29 PM EDT     -0.42 knots Max Ebb
Wed -- 04:54 PM EDT     0.00 knots Slack
Wed -- 05:52 PM EDT     Moonrise
Wed -- 08:05 PM EDT     0.49 knots Max Flood
Wed -- 08:15 PM EDT     Sunset
Wed -- 10:56 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.4-0.4-0.4-0.20.20.40.40.50.40.1-0.1-0.3-0.4-0.4-0.4-0.300.30.50.50.40.2-0

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for Boston, MA (2,6,7,8)
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Ground Weather Radar Station Boston, MA
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.