Sunday, January17, 2021
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Marine Weather and Tides
Hingham, 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 7:07AMSunset 4:40PM Sunday January 17, 2021 5:05 AM EST (10:05 UTC) Moonrise 11:02AMMoonset 10:30PM Illumination 16% 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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ANZ230 Boston Harbor- 416 Am Est Sun Jan 17 2021
.gale warning in effect from 8 am est this morning through this afternoon...
Today..W winds around 20 kt with gusts up to 35 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance.
Tonight..W winds 15 to 20 kt, becoming sw 10 to 15 kt after midnight. Gusts up to 30 kt. Waves around 2 ft.
Mon..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Mon night..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Tue and Tue night..W winds around 10 kt. Waves 1 foot or less.
Wed through Thu..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Thu night..SW winds 5 to 10 kt. Waves 1 foot or less. A chance of snow 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 416 Am Est Sun Jan 17 2021
Synopsis for massachusetts and rhode island coastal waters.. Low pressure lifts north of the waters today. 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 Hingham, MA
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location: 42.26, -70.89     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 170842 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 342 AM EST Sun Jan 17 2021

SYNOPSIS. Strong low pressure over Maine will continue to strengthen as it lifts into Quebec today, bringing dry & but windy weather. Above normal temperatures today and Monday, will be replaced by seasonably cool temperatures beginning Tuesday and continuing through the workweek. Several opportunities for light snow showers in the week ahead, especially across the higher elevation of the interior. Snow showers may be a bit more widespread Thursday into Friday.

NEAR TERM /UNTIL 6 PM THIS EVENING/.

4 AM Update .

Today .

Strong, vertically stacked cyclone over Maine this morning slowly exits northeast into the Maritimes. The main sensible weather impacts here in Southern New England, will be strong and gusty west winds, as low drops below 980 mb today. Model soundings indicate a deep boundary layer extending up to 800 mb courtesy of cold air advection. Gust potential up to 40 kt/45 mph or so across Northern MA including Boston. Will be close to wind advisory criteria, but given it's marginal will hold off for now. Elsewhere west winds 15 to 25 mph with gusts up to 40 mph. Confluent flow aloft across Southern New England will promote dry weather. The exception will be over northwest-northern MA, where upslope flow combined with some lake effect moisture is resulting in persistent snow showers over the Berkshires and spilling into northern Worcester county. Expect this to continue much of the day.

Post frontal airmass not very cold so expecting highs to remain above normal. Model soundings suggest mixing up to 800-850 mb, this combined downsloping west winds, sided with the warmer guid to derive today's high temps. Highs in the low to mid 40s will be common, with upper 40s possible in the coastal plain of Eastern MA and RI, upper 30s for high terrain. Normal high is 31-37, thus another day running above normal.

More clouds in the high terrain, more Sunshine in the coastal plain of MA/RI.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/.

400 AM update .

Tonight .

Weak short wave moves across the region. Not much deep layer moisture associated with this feature, thus other than a passing snow shower/flurry, mainly dry weather should prevail. Gusty west winds slowly slacken as deep cyclone moves farther away from the region. Another night of temps above normal, with lows in the upper 20s and lower 30s.

Monday .

Another short wave trough traverses the area. Moisture is once again limited, but may be sufficient for a few scattered snow showers/flurries well inland, few scattered rain showers/sprinkles elsewhere. Otherwise a dry day. One more day of above normal temps with highs in the 40s, upper 30s high terrain. Once again leaned toward the warmer guidance given well mixed boundary layer and downsloping winds.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/.

Highlights .

* Mostly dry with periods of light snow showers early Wednesday and Thursday night/Friday

* Seasonably cool temperatures generally in the 30s and 40s

Details .

A largely quiet and dry week and weekend is expected with a few disturbances that will bring the chance for light snow showers; first early Wednesday then a bit more substantial late Thursday and Thursday night. At the synoptic scale the broad mid level trough remains situated over the eastern half of the U.S. with periodic shortwaves rotating through the base of the trough. Considering the source region and shallow nature of these waves, each fails to tap into a significant source of deep layer moisture, so only light snow/rain showers are expected.

Tuesday heights will be rising as a mid level bridge builds in drying things out and allowing for more breaks of sun. Even so, it will feel quite a bit colder than Monday under cold NW flow. CAA promotes mixing up to near 850 mb where temps are around -8C, allowing for highs in the mid to upper 30s. Winds continue to be breezy under a lingering low level jet at well. The first in the series of shortwaves then approaches Tuesday night bringing increasing cloudcover, but only widely scattered light snow showers. The frontal passage Wednesday does bring colder temperatures, though, so highs will be closer to the low to mid 30s; 20s in the highest elevations.

Drying out with clearing skies then Wednesday night and early Thursday as a weak ridge builds overhead. This allows for good radiational cooling and the coldest night of the week. Forecast lows have thus favored the MOS guidance, down into the teens and even single digits in NW Massachusetts. The only thing that would hinder us reaching those coldest temps will be if the pressure gradient remeains too strong to allow the boudary layer to decouple; something to watch.

A bit of a better chance at some light accumulating snow (coating to an inch) late Thursday into Friday thanks to some more favorable dynamics including a stronger sfc low and secondary low that forms off the coast, and a 150 kt jet at 300 mb. By the weekend the trend is drier with building high pressure.

AVIATION /09Z SUNDAY THROUGH THURSDAY/. Forecaster Confidence Levels.

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

06z update .

Through 12Z . High confidence

VFR with marginal MVFR across western MA in scattered snow showers. Otherwise, dry weather prevails but W winds steadily increase courtesy of strengthening low pressure over Maine. Gusts increasing towards 30 kt by sunrise, strongest winds high terrain and Cape Cod/Islands.

After 12z . High confidence

VFR, except marginal MVFR northwest MA with possible scattered snow showers. Otherwise dry weather prevails but gusty W winds up to 35-40 kt possible at times.

Sunday Night . High confidence

VFR and WSW winds slowly diminish. Low risk of leftover MVFR conditions in northwest MA from scattered snow showers early, but then improving.

Monday . High confidence.

VFR and mainly dry weather other than a brief snow shower. Western MA likely MVFR in scattered snow showers. Modest west winds 15-20 kt, gusts up to 25 kt possible Cape Cod and the Islands.

KBOS TAF . High confidence in TAF.

KBDL TAF . High confidence in TAF.

Outlook /Monday Night through Thursday/ .

Monday Night through Wednesday Night: VFR. Breezy.

Thursday: VFR. Breezy. Slight chance SHSN.

MARINE.

Today/Tonight/Monday . High Confidence.

Westerly gales into this evening. Then winds diminishing later this evening as sub 980 mb low over the Maritimes slowly exits. As for freezing spray, airmass not cold enough to support any issues. Modest west winds continue tonight into Monday. Mainly dry weather with good vsby.

Outlook /Monday Night through Thursday/ .

Monday Night: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of rough seas.

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

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

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

Wednesday Night: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Areas of rough seas. Chance of freezing spray.

Thursday: Winds less than 25 kt. Areas of seas approaching 5 ft. Slight chance of snow showers.

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

SYNOPSIS . Nocera/BW NEAR TERM . Nocera SHORT TERM . Nocera LONG TERM . BW AVIATION . Nocera/BW MARINE . Nocera/BW


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BHBM3 - 8443970 - Boston, MA 11 mi54 min 38°F 39°F
44013 - BOSTON 16 NM East of Boston, MA 14 mi36 min WSW 25 G 31 38°F 43°F992.6 hPa29°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 25 mi62 min W 27 G 33 40°F 9 ft989.4 hPa
44018 - SE Cape Cod 30NM East of Nantucket, MA 40 mi26 min WSW 29 G 37 38°F 44°F991.3 hPa31°F
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 41 mi48 min 37°F
FOXR1 - 8454000 - Providence, RI 41 mi48 min 35°F 40°F
FRVM3 - 8447386 - Fall River, MA 41 mi48 min 36°F 46°F
44090 42 mi39 min 41°F3 ft
FRXM3 42 mi48 min 37°F 30°F
PVDR1 42 mi48 min 36°F 28°F
CPTR1 - 8452944 - Conimicut Light, RI 45 mi48 min 35°F 43°F
NAXR1 - Narragansett Bay Reserve, RI 49 mi81 min W 9.9 35°F 996 hPa27°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 49 mi48 min 35°F

Wind History for Borden Flats Light at Fall River, MA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boston, Logan International Airport, MA11 mi72 minWSW 16 G 2610.00 miMostly Cloudy36°F24°F62%992.2 hPa
East Milton, MA12 mi75 minWSW 18 G 29 miBreezy32°F24°F73%993.1 hPa
Norwood, Norwood Memorial Airport, MA16 mi73 minSW 12 G 1910.00 miFair36°F25°F64%993.1 hPa
Marshfield Airport, MA16 mi71 minWSW 10 G 2010.00 miFair36°F27°F70%992.9 hPa
Beverly, Beverly Municipal Airport, MA22 mi73 minWSW 13 G 2810.00 miMostly Cloudy37°F26°F65%990.5 hPa

Link to 5 minute data for KBOS

Wind History from BOS (wind in knots)
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1 day agoN5N4N5N5N6NE8NE9E8E9E11E9E10E10E9E7E4E8E6E4E11E16E9E9E12
2 days agoSW5S3SW4SW5SW5SW8SW5CalmSE4CalmE4E4NE5NE6N7N7N4--N5NW7N6N6--N6

Tide / Current Tables for Crow Point, Hingham Harbor entrance, Massachusetts
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Crow Point
Click for Map
Sun -- 02:01 AM EST     9.38 feet High Tide
Sun -- 07:08 AM EST     Sunrise
Sun -- 08:01 AM EST     0.62 feet Low Tide
Sun -- 10:02 AM EST     Moonrise
Sun -- 02:11 PM EST     10.00 feet High Tide
Sun -- 04:39 PM EST     Sunset
Sun -- 08:32 PM EST     0.01 feet Low Tide
Sun -- 09:31 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.98.79.48.87.45.53.31.40.61.32.94.97.29.1109.68.36.33.91.70.20.21.33

Tide / Current Tables for Boston Harbor, Massachusetts Current
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Boston Harbor
Click for Map
Sun -- 01:34 AM EST     -0.00 knots Slack
Sun -- 05:49 AM EST     -1.14 knots Max Ebb
Sun -- 07:09 AM EST     Sunrise
Sun -- 08:00 AM EST     0.00 knots Slack
Sun -- 10:02 AM EST     Moonrise
Sun -- 11:11 AM EST     1.08 knots Max Flood
Sun -- 01:48 PM EST     -0.00 knots Slack
Sun -- 04:39 PM EST     Sunset
Sun -- 06:13 PM EST     -1.16 knots Max Ebb
Sun -- 08:26 PM EST     0.00 knots Slack
Sun -- 09:31 PM EST     Moonset
Sun -- 11:43 PM EST     1.10 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.3-0.2-0.6-0.9-1.1-1.1-0.8-00.711.110.5-0.1-0.6-0.9-1.1-1.2-1-0.40.50.91.1

Weather Map
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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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