Sunday, January17, 2021
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Marine Weather and Tides
Bliss Corner, MA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:05AMSunset 4:42PM Sunday January 17, 2021 1:14 AM EST (06:14 UTC) Moonrise 11:02AMMoonset 10:32PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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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ANZ235 Rhode Island Sound- 1016 Pm Est Sat Jan 16 2021
.gale warning in effect through Sunday evening...
Overnight..W winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt. Seas 7 to 9 ft.
Sun..W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft.
Sun night..W winds 20 to 25 kt. Gusts up to 40 kt, decreasing to 30 kt after midnight. Seas 6 to 9 ft.
Mon..W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft.
Mon night through Tue night..W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Wed and Wed night..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Thu..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow showers.
Thu night..W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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 1016 Pm Est Sat Jan 16 2021
Synopsis for massachusetts and rhode island coastal waters.. A strong area of low pressure departs from southern new england overnight Saturday. A cold front will cross the waters Sunday morning. High pressure builds across the waters for Monday into Tuesday. Another areas of low pressure moves over the waters Wednesday into Thursday. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo.


7 Day Forecast for Marine Location Near Bliss Corner, MA
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location: 41.46, -71.02     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 170313 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1013 PM EST Sat Jan 16 2021

SYNOPSIS. Low pressure in northern New England will lift into Quebec bringing dry & blustery weather tonight and Sunday. More seasonable temperatures arrive for much of the next work week. Several opportunities for light snow showers especially across the higher elevation of the interior. Snow showers may be a bit more widespread Thursday into Friday.

NEAR TERM /THROUGH SUNDAY/.

10 PM Update .

Scattered snow showers and flurries moving across western- central MA including Worcester county. This is in response to trailing short wave rotating thru the mid/upper trough. Some elevated instability with this feature, -35C air at 500 mb over NJ advecting northward, yielding 2-6 km lapse rates from 7 to 8C/KM. Behind this short wave, drier air aloft will overspread the region after midnight and any snow showers/flurries will lift into Northern New England. Otherwise previous forecast remains on track.

310 PM Update .

The low pressure system that brought us the earlier heavy rain, coastal wind and even heavy wet snow in the high terrain of far northwest MA has lifted into northern New England. There were just a few left over showers across northeast MA with the surface trough, but these should be exiting the region shortly.

Low pressure will continue to move north and into northern Main tonight. Southwesterly flow on the backside of this system will result in mainly dry weather tonight. The exception to this should be in far western MA . mainly the east slopes of the Berkshires where scattered snow showers are anticipated at times. This a result of upper level energy combined with leftover Lake Effect moisture. This may result in an inch or two of snow in far northwest MA. We will continue a dry forecast elsewhere, although a brief spot rain or snow shower can not be ruled out it is not worth including in the forecast.

Southwest winds will become blustery late tonight across portions of the high terrain/coastal locations. This a result of intensifying low pressure across northern New England. Low temps will become cooler, but only bottom out in the upper 20s to middle 30s by daybreak. These readings will still be about 10 to 15 degrees above normal.

SHORT TERM /SUNDAY NIGHT THROUGH 6 PM SUNDAY/. Sunday .

Low pressure will continue to intensify as it moves north into Quebec and should drop to around 975 mb on Sunday. This increased pressure gradient coupled with diurnal mixing should result in a rather windy day. Overall, expect westerly wind gusts of 25 to 40 mph to develop. However, we may be flirting with wind advisory criteria across the Cape/Islands. Given it is marginal will defer to the next shift.

Mainly dry weather should prevail, but a few snow showers will be possible mainly in the distant interior /east slopes of the Berks/ as a result of some remnant Lake Effect moisture on westerly flow.

The airmass behind this system is not too cold for January standards. So with a mixture of clouds and sunshine, expect Sunday afternoon high temperatures to range from the upper 30s in the highest terrain to the lower to middle 40s elsewhere. It will feel colder given the windy conditions, but it is January after all.

LONG TERM /SUNDAY NIGHT THROUGH SATURDAY/. Highlights

* Unsettled with several opportunities for snow showers - Monday, and Wednesday through Friday.

* Above normal temperatures on Monday. Temperatures will be more seasonable for the rest of week.

Progressive pattern through the extended with several opportunities for snow showers especially across the higher elevations of the interior.

Sunday night through Monday .

Ridge axis over the Mid Atlantic on Sunday night will flatten out and build into Nova Scotia by late Monday. A neutrally tilted trough will lift from the TN/OH Valley into the Mid Atlantic by Monday morning and through southern New England during the day. At the surface a prefrontal trough slides through Sunday night into early Monday, and a cold front moves through on Monday.

Have increased precipitation chances Sunday night through Monday. The combination of low to mid level moisture, the trough moving in and the surface forcing should allow for isolated to scattered snow shower activity. The best chance for snowfall will be across the higher elevations of western MA and CT. Could even see some flakes across central MA/RI, but have more confidence across the west. For now have slight chance to chance where confidence is highest and borderline slight chance elsewhere. May need to see central MA and RI precip chances increase in future updates.

Will have W to WNW 0 to -5 degree Celsius cold air advection at 925 hPa Sunday night through Monday. Despite this will have above normal temperatures for this time of year. Low temperatures for Sunday night into Monday will be in the 20s across the higher elevation to the 30s elsewhere. Should see a bit of downsloping due to the westerly flow on Monday. The higher elevations will see highs in the 30s. Elsewhere readings will be in the low to mid 40s.

Monday night through Tuesday .

Trough just east of the region will lift through Nova Scotia Monday night. Ridge axis will build from the eastern Great Lakes into the Gulf of Maine and flatten out by Tuesday morning. A shortwave trough will lift from the western Great Lakes early on Tuesday into the eastern Great Lakes.

Generally expecting dry and quiet weather through this period as a weak high builds in. Cloud cover will increase later on Tuesday as a broad low lifts across the Great Lakes - cannot completely rule out a snow shower across the eastern slopes of the Berkshires by late in the day.

Will be chilly in comparison to the past couple of days, but really temperatures will be trending toward seasonable readings. Expect W to NW cold air advection to advect in -4 to -7 degree Celsius 925 hPa air. Low temperatures for Monday night into Tuesday will generally be in the 20s. Highs on Tuesday will be in the 30s.

Tuesday night through Friday .

Progressive pattern continues with the shortwave trough sliding through Tuesday night through Wednesday. Ridge axis builds in for Wednesday night into Thursday. Another shortwave swings through on Thursday and Friday.

Have slight chance to chances of precipitation as the shortwaves move through. Given there are time and intensity differences of the waves moving through during this timeframe, have gone with the NBM guidance. Still appears that the best chance of snowfall will be across the higher elevation, but precipitation may be a bit more widespread on Thursday into Friday as a secondary low may develop nearby/over the region. Still too early for the specifics given the differences amongst guidance this far out.

Temperatures will be near normal for this time of year during this period with highs in the 20s and 30s, but could moderate into the low 40s along the south coast by Friday. Will be quite chilly Wednesday night into Thursday as high pressure briefly builds in. Readings range from the single digits across the higher elevations to the teens and low 20s elsewhere.

AVIATION /03Z SUNDAY THROUGH THURSDAY/. Forecaster Confidence Levels.

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

03z update . no change to previous TAFs.

===================================================================

Through 12Z . High confidence

Mixture of MVFR and VFR to start, but should see improvement to VFR from southwest to northeast as drier air works its way in. WSW winds of 10 to 15 knots increasing across the high terrain, Cape and Islands to between 15 and 25 knots after midnight with gusts of 25 to 30 knots. Dry weather other than a few snow showers mainly along the eastern slopes of the Berkshires.

Sunday . High confidence

Anticipate VFR conditions, but should see some MVFR across the higher terrain of MA with ceilings around 1.5-3 kft. Lowest ceilings are most likely over the eastern slopes of the Berkshires. Gusty WSW winds with speeds of 10 to 20 kts and gusts of 25 to 35 knots across most of the region, but on the order of 35 to 40 knots possible for the Cape/Islands. Still may have a few a few snow showers across the interior mainly along the east slopes of the Berkshires.

Sunday Night . High confidence

Generally expecting MVFR conditions, but may see MVFR with localized IFR across the eastern slopes of the Berkshires. Gusty WSW winds to start, but winds diminishing as the night progresses.

KBOS TAF . High confidence in TAF.

KBDL TAF . High confidence in TAF.

Outlook /Sunday Night through Thursday/ .

Martin Luther King Jr Day: Mainly VFR, with local MVFR possible. Breezy.

Monday Night through Wednesday: VFR. Breezy.

MARINE. Tonight and Sunday . High Confidence.

There will continue to be a temporary lull in the winds through the first half of the evening. However, intensifying low pressure lifting across northern New England and into Quebec will result in WSW 30 to 40 knot wind gusts developing. Gale Warnings are in effect for all waters late tonight and Sunday. Seas over the open waters will remain quite high.

Outlook /Sunday Night through Thursday/ .

Sunday: Moderate risk for gale force winds with gusts up to 40 kt. Rough seas up to 13 ft.

Sunday Night: Low risk for gale force winds with gusts up to 40 kt. Rough seas up to 13 ft.

Martin Luther King Jr Day through Monday Night: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of rough seas.

Tuesday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Local rough seas.

Tuesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Local rough seas. Slight chance of snow showers.

Wednesday: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Areas of rough seas. Slight chance of snow showers.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Gale Warning until 10 PM EST Sunday for ANZ231>235-237-250-251- 254>256. Gale Warning from 8 AM to 6 PM EST Sunday for ANZ230-236.

SYNOPSIS . Frank/BL NEAR TERM . Frank/Nocera/BL SHORT TERM . Frank LONG TERM . BL AVIATION . Nocera/BL MARINE . Frank/BL


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BUZM3 - Buzzards Bay, MA 4 mi75 min W 24 G 27 993.3 hPa (+0.5)
NWPR1 - 8452660 - Newport, RI 17 mi75 min W 13 G 18 38°F 44°F992.4 hPa (+0.3)
PRUR1 18 mi75 min 38°F 31°F
FRXM3 18 mi75 min 39°F 33°F
FRVM3 - 8447386 - Fall River, MA 19 mi75 min 38°F 46°F992.7 hPa (+0.3)
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 19 mi75 min W 18 G 21 39°F 992.1 hPa (-0.0)
BZBM3 - 8447930 - Woods Hole, MA 19 mi75 min 39°F 40°F992.5 hPa (+0.6)
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 21 mi75 min W 8.9 G 14 36°F 992.9 hPa (+0.0)
NAXR1 - Narragansett Bay Reserve, RI 21 mi90 min W 8 36°F 993 hPa30°F
QPTR1 - 8454049 - Quonset Point, RI 22 mi75 min WSW 13 G 16 38°F 43°F992.5 hPa (+0.0)
CPTR1 - 8452944 - Conimicut Light, RI 25 mi75 min SSW 17 G 21 36°F 43°F991.9 hPa (-0.0)
WAXM3 - Waquoit Bay Reserve, MA 28 mi90 min WSW 1.9 41°F 991 hPa37°F
PVDR1 30 mi75 min W 8 G 9.9 37°F 992.4 hPa (-0.0)30°F
FOXR1 - 8454000 - Providence, RI 31 mi75 min W 9.9 G 12 37°F 41°F992.3 hPa (-0.0)
44097 - Block Island, RI (154) 34 mi79 min 47°F11 ft
44020 - NANTUCKET SOUND 39 mi55 min W 19 G 25 41°F
44090 45 mi78 min 41°F2 ft

Wind History for Newport, RI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newport, Newport State Airport, RI15 mi22 minVar 610.00 miFair35°F29°F78%993.4 hPa
New Bedford, New Bedford Regional Airport, MA16 mi22 minWSW 1110.00 miFair37°F29°F73%992.5 hPa
Marthas Vineyard Airport, MA21 mi22 minW 9 G 1610.00 miFair38°F30°F73%993.2 hPa

Link to 5 minute data for KUUU

Wind History from UUU (wind in knots)
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1 day agoN8N5N5N5N4N5CalmN6NE7E8E6E6E8E7E9E6E6E5E5E7E7E12E9
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2 days agoCalmS3CalmSW4SE3S3CalmCalmNW4N4N5W4E6SE4SE3CalmCalmCalmN4N4N7N6N8N6

Tide / Current Tables for Penikese Island, Buzzards Bay, Massachusetts
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Penikese Island
Click for Map
Sun -- 03:40 AM EST     -0.03 feet Low Tide
Sun -- 07:06 AM EST     Sunrise
Sun -- 10:01 AM EST     Moonrise
Sun -- 10:22 AM EST     3.44 feet High Tide
Sun -- 04:06 PM EST     0.05 feet Low Tide
Sun -- 04:41 PM EST     Sunset
Sun -- 09:31 PM EST     Moonset
Sun -- 10:48 PM EST     3.23 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.31.30.50.1-00.20.71.42.22.93.43.32.71.80.90.30.10.20.511.72.53.13.2

Tide / Current Tables for Westport River Entrance, Massachusetts Current
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Westport River Entrance
Click for Map
Sun -- 01:44 AM EST     -2.31 knots Max Ebb
Sun -- 06:02 AM EST     0.00 knots Slack
Sun -- 07:07 AM EST     Sunrise
Sun -- 09:21 AM EST     1.95 knots Max Flood
Sun -- 10:02 AM EST     Moonrise
Sun -- 11:30 AM EST     -0.00 knots Slack
Sun -- 01:59 PM EST     -2.44 knots Max Ebb
Sun -- 04:42 PM EST     Sunset
Sun -- 06:03 PM EST     0.00 knots Slack
Sun -- 09:32 PM EST     Moonset
Sun -- 09:45 PM EST     2.31 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-2.1-2.3-1.9-1.3-0.7-00.71.41.91.80.8-0.8-2-2.4-2.1-1.5-0.8-00.71.52.12.31.6

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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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.