Friday, March5, 2021
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Marine Weather and Tides
Weymouth Town, MA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:10AMSunset 5:40PM Friday March 5, 2021 1:44 AM EST (06:44 UTC) Moonrise 1:17AMMoonset 10:57AM Illumination 60% Phase: Waning Gibbous; Moon at 21 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- 116 Am Est Fri Mar 5 2021
.small craft advisory in effect through this evening...
Rest of tonight..NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft.
Fri..NW winds around 15 kt with gusts up to 30 kt. Waves around 2 ft.
Fri night..W winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Waves around 2 ft.
Sat..W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 foot or less.
Sat night through Sun night..NW winds 10 to 15 kt. Waves 1 foot or less.
Mon through Tue night..W winds 5 to 10 kt. Waves 1 foot or less. 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 Est Fri Mar 5 2021
Synopsis for massachusetts and rhode island coastal waters.. Expect areas of light freezing spray on the waters tonight and Friday. High pressure builds over the waters and maintains dry weather from the weekend through the first half of next week. 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 Weymouth Town, MA
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location: 42.24, -70.96     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 050527 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1227 AM EST Fri Mar 5 2021

SYNOPSIS. A dry weather pattern will persist well into next week. Temperatures will be below normal into the weekend, and moderate beginning Monday. By mid week, temperatures will be above normal, making it feel more like spring.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Upper low over eastern Quebec continues to send a northwest flow of colder air into New England. Temperatures at 850-mb over the Northeast have cooled 2-4C from 12Z, and may cool another 2C by Friday evening. Observed winds continue to show gusts of 25 to 30 kt. Mostly clear skies across Srn New England, except for clouds with 5000-6000 foot bases over the Berkshires and Essex Co Mass.

Continue to expect increasing sky cover overnight, especially areas north of the Mass Pike. Dry air is in place with dew points in the single numbers. Expect skies trending partly to mostly cloudy but with dry weather. Temps will dip into the teens.

SHORT TERM /6 AM THIS MORNING THROUGH 6 AM SATURDAY/. If you liked today, you'll like tomorrow. If you didn't like today, then . remember, we are in messaging, not production. That big storm well to our northeast will still be in about the same place. Fairly steep pressure gradient still across our region, so breezy conditions will continue. With the northwest flow, chilly temperatures will prevail. 925mb temperatures will be in the -8C to - 10C range, which supports surface high temperatures in the upper 20s to lower 30s. With the northwest flow, downsloping and no snow across much of the eastern third of the area and sunshine, coastal RI and southeast MA could "over achieve" with a few spots possibly 35-38F. I did add in some NBM 95th percentile temperatures to lean more on the warmer side. Gusty winds over 20 mph should still be common throughout the day.

LONG TERM /SATURDAY THROUGH THURSDAY/. Highlights

* The weekend will be dry and cold. Below average temperatures expected through Sunday. More seasonable temperatures on Monday.

* Little to no chance of precipitation over the forecast period.

* Warm-up on the way starting next Tuesday and extending late into the work week. 50s and even 60s are not out of the question for Wednesday.

Saturday and Sunday .

With an upper level low still in place over Nova Scotia and the Canadian Maritimes, several shortwaves will bring a series of cold shots to New England this weekend. These cold spells are not expected to be accompanied by any significant precipitation, but will keep temperatures 5 to 10 degrees colder than average.

The upper level low is in sync with a deep trough that extends the 540mb isobar well into the Carolinas Saturday and Sunday. Gusty, northwest flow associated with this trough will keep wind chills in the 10s and 20s, especially Saturday, before the winds relent a bit on Sunday. High temperatures on both Saturday and Sunday are expected to range from the 20s north and west of our metropolitan areas to the mid 30s south and east, extending across the Cape and Islands. Guidance has come into agreement that this cold shot will extend through the weekend before relinquishing its grip early next week.

On Saturday night, conditions are ripe for radiational cooling with weakening winds, clear skies, and a remaining snowpack north and west of the I-95 corridor. To account for this low temperatures on Saturday night were lowered using CONSMOS guidance.

The deep southern extension of the trough will keep us dry through the weekend.

Monday thru Wednesday .

On Monday, the ridge that has been so dominant over the western US begins to nudge into our area. Temperatures begin to level out around average, in the upper 30s and low 40s, before the primary wind direction switches from west/northwest to southwest, ushering in more spring-like temperatures for mid-week. High pressure settles over New England with this ridge.

Temperatures are likely to top out in the 50s on Tuesday with the potential to reach 60 in several locations away from the immediate coast of Massachusetts and Rhode Island on Wednesday. The Cape and Islands will remain in the 40s to near 50 as SSTs are still hovering around 40 degrees. Warm spring patterns that occur pre-"green up" have a tendency to overperform compared to the highs forecasted by guidance. This tendency is supported by both the NAEFS and ENS Situational Ensemble Tables such that all levels rise above the 90th and 97.5th percentiles on Tuesday and Wednesday respectively. CPC guidance also shows a 60-70% chance of above normal temperatures for the five day period of Mar 9-13th. Given both our seasonal knowledge, and the strong probabilistic trends in guidance, high temperatures were increased on Tuesday and Wednesday using a blend of the GFS and NBM 90th percentile values. Low temperatures overnight Tuesday into Wednesday were adjusted using the NBM 75th percentile guidance.

There is a slight chance of precipitation on Tuesday as a shortwave passes to our north, however given that this potential is five days out, it is too soon to determine what localities, if any, will see a brief passing shower. Otherwise, next week looks dry.

Guidance is narrowing in on a cold front/chance for more significant precipitation sometime late next week. More attention will need to be paid to this system as Thurs/Fri enter our forecast period as the ECMWF, GFS and Canadian models all differ on exact timing.

AVIATION /06Z FRIDAY THROUGH TUESDAY/. Forecaster Confidence Levels.

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

VFR all areas with gusty northwest winds. Increasing sky cover overnight, especially areas north of the Mass Pike. Wind gusts should continue to reach 25 kt.

VFR will continue Friday and Friday night with a trend to mostly clear skies. West-northwest winds gusting 20 to 25 kt Friday will then diminish Friday night.

KBOS TAF . High confidence in TAF. VFR.

KBDL TAF . High confidence in TAF. VFR.

Outlook /Saturday through Tuesday/ .

Saturday through Saturday Night: VFR. Breezy.

Sunday through Monday: VFR.

MARINE. Strong and gusty winds and rough seas are expected across most of the coastal waters overnight, then diminish a little on Friday and Friday night. Gusts to 35 kt east of Mass overnight and Friday morning will diminish to 25 kt Friday night. Northwest winds will maintain 5 to 7 foot seas on the open waters.

Freezing spray will continue to be a concern overnight through Friday night. Temperatures in the 20s, ocean temps 35 to 40, and strong gusting winds will maintain the potential for light freezing spray with light ice accumulations.

Gale Warnings continue on the open waters east of Massachusetts through early morning, with Small Craft Advisories on all remaining waters. Small Crafts will remain in effect on all waters Friday, and linger on the southern outer waters Friday night.

Outlook /Saturday through Tuesday/.

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

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

Sunday through Sunday Night: Winds less than 25 kt.

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

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Small Craft Advisory until 9 PM EST this evening for ANZ230>237. Gale Warning until 4 AM EST early this morning for ANZ250-251- 254. Small Craft Advisory until 7 AM EST Saturday for ANZ255-256.

SYNOPSIS . KS/Nash NEAR TERM . WTB/Nash SHORT TERM . Nash LONG TERM . KS AVIATION . WTB/KS/Nash MARINE . WTB/KS/Nash


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BHBM3 - 8443970 - Boston, MA 9 mi63 min 26°F 35°F1003.7 hPa
44013 - BOSTON 16 NM East of Boston, MA 18 mi45 min WNW 25 G 33 27°F 1004.7 hPa (+0.6)15°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 29 mi101 min NW 23 G 31 27°F 4 ft1002.4 hPa
FOXR1 - 8454000 - Providence, RI 38 mi63 min NNW 16 G 34 26°F 36°F1006.1 hPa
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 39 mi57 min WNW 18 G 26 28°F 1005.7 hPa
FRVM3 - 8447386 - Fall River, MA 39 mi57 min 28°F 37°F1006.1 hPa
FRXM3 39 mi57 min 28°F 11°F
PVDR1 39 mi57 min NW 18 G 25 26°F 1006.3 hPa4°F
CPTR1 - 8452944 - Conimicut Light, RI 42 mi57 min W 21 G 24 26°F 37°F1005.4 hPa
44018 - SE Cape Cod 30NM East of Nantucket, MA 43 mi45 min NW 23 G 29 27°F 1003 hPa (+1.0)15°F
44090 43 mi49 min 38°F6 ft
NAXR1 - Narragansett Bay Reserve, RI 46 mi120 min NNW 11 28°F 1006 hPa3°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 46 mi57 min NNW 6 G 16 26°F 1006.8 hPa
PRUR1 48 mi57 min 26°F 4°F

Wind History for Providence, RI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
East Milton, MA8 mi54 minWNW 16 G 29 mi22°F7°F52%1004.8 hPa
Boston, Logan International Airport, MA10 mi51 minWNW 20 G 2910.00 miOvercast and Breezy26°F5°F40%1005 hPa
Norwood, Norwood Memorial Airport, MA12 mi52 minNW 18 G 2810.00 miOvercast and Breezy26°F6°F42%1005.5 hPa
Marshfield Airport, MA18 mi50 minWNW 13 G 2710.00 miOvercast27°F7°F43%1004.7 hPa
Beverly, Beverly Municipal Airport, MA24 mi52 minNW 18 G 2910.00 miOvercast and Breezy24°F5°F44%1003.9 hPa
Laurence G Hanscom Field Airport, MA24 mi54 minNW 19 G 2910.00 miOvercast and Breezy24°F7°F48%1006.8 hPa
Taunton, Taunton Municipal Airport, MA24 mi53 minWNW 15 G 2410.00 miFair26°F5°F40%1004.8 hPa

Link to 5 minute data for KMQE

Wind History from MQE (wind in knots)
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1 day agoW8SW9SW13
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2 days agoW25
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Tide / Current Tables for Weymouth Fore River Bridge, Massachusetts
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Weymouth Fore River Bridge
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Fri -- 12:17 AM EST     Moonrise
Fri -- 03:41 AM EST     10.81 feet High Tide
Fri -- 06:12 AM EST     Sunrise
Fri -- 09:57 AM EST     Moonset
Fri -- 10:02 AM EST     -0.45 feet Low Tide
Fri -- 04:19 PM EST     9.42 feet High Tide
Fri -- 05:38 PM EST     Sunset
Fri -- 08:32 PM EST     Last Quarter
Fri -- 10:20 PM EST     0.44 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.26.78.910.510.79.67.65.12.50.4-0.50.224.16.48.39.49.17.85.93.71.70.50.8

Tide / Current Tables for Boston Harbor, Massachusetts Current
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Boston Harbor
Click for Map
Fri -- 12:17 AM EST     Moonrise
Fri -- 03:04 AM EST     -0.00 knots Slack
Fri -- 06:12 AM EST     Sunrise
Fri -- 06:24 AM EST     -1.10 knots Max Ebb
Fri -- 09:56 AM EST     Moonset
Fri -- 09:57 AM EST     0.00 knots Slack
Fri -- 12:02 PM EST     1.07 knots Max Flood
Fri -- 03:35 PM EST     -0.00 knots Slack
Fri -- 05:38 PM EST     Sunset
Fri -- 06:48 PM EST     -0.89 knots Max Ebb
Fri -- 08:32 PM EST     Last Quarter
Fri -- 10:15 PM EST     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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1.21.10.70.1-0.6-0.9-1.1-1.1-1-0.700.81.110.80.4-0.2-0.6-0.8-0.9-0.8-0.7-0.20.6

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