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Gun Rock Beach, Massachusetts

Beach in Plymouth County, Massachusetts

Air quality

The air at Gun Rock Beach

Index 18, good, led by ozone. Read at 5 AM from its reporting area, Boston Metro (MA), 17 miles off.

18Good
  • Fine particles (PM2.5)13Good11.7 mi
  • Ozone18Good20 ppb13.1 mi
  • Coarse particles (PM10)4Good13.1 mi
  • Nitrogen dioxide5Good5 ppb11.7 mi
  • Sulfur dioxide0Good0.3 ppb13.1 mi
  • Carbon monoxide-0.2 ppm11.7 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 23, good.

Smoke, the next 46 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Gun Rock Beach

0.28 in in the last 24 hours, 0.31 in over the last 3 days, to Sat 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.28in
Last 3 days
0.31in

Visibility

How far you can see at Gun Rock Beach, the next 46 hours

Visibility stays 10 miles or more through Mon 2 AM.

SatSun
Gun Rock Beach from its sand, nowLooking N from the sand at 5:39 AM, night, overcast, waves about 4.5 ft every 4 s. The flag is the colour of the day's rip current risk, high (red), not a flag raised on the beach.340350N10Facing N 354°Wind 11 mphfrom NNW, onshoreSwell 4.5 ft from NNWLongshore current, to the rightRip current risk: highRips run out through the surf
Looking N from the sand at 5:39 AM, night, overcast, waves about 4.5 ft every 4 s. The flag is the colour of the day's rip current risk, high (red), not a flag raised on the beach.
NESW

Facing N 354°

300 ft

From above: the edge, the break, the view

Rip current risk today: high

The flag in the picture is the colour of the forecast's risk (green low, yellow moderate, red high), not a flag raised on the beach.

A rip current is a narrow stream of water running out from the shore through the surf, often where fewer waves break. Caught in one, swim across it, along the shore, then back in.

Surf and swim

The surf zone forecast for Eastern Plymouth MA, and the waves at buoy 44013, 11.0 mi away.

Today

Rip current risk
High
Surf height
3 to 6 feet
Water temperature
In the upper 50s
UV index
Low

Waves at buoy 44013, Boston

Wave height
3.9 ft
Period
4 s
From
NNW (341°)
Swell
1.0 ft at 7 s from E
Wind waves
3.9 ft at 4 s from NNW
Water
58 °F
Read
Sat 4:50 AM
Distance
11.0 mi

Wave height is the significant height: the mean of the highest third of the waves. The period is the time between the waves carrying the most energy.

Wave height at buoy 44013, last 48 hoursSignificant wave height from 1.3 ft to 3.9 ft; 3.9 ft at Sat 4:50 AM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ftNoon6 PMFri6 AMNoon6 PMSat3.9 ftWave height at buoy 44013, last 48 hoursSignificant wave height from 1.3 ft to 3.9 ft; 3.9 ft at Sat 4:50 AM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ftNoonFriNoonSat3.9 ft
Significant wave height from 1.3 ft to 3.9 ft; 3.9 ft at Sat 4:50 AM. Arrows show the way the waves travel.
Every hour, last 24 hours
TimeWave heightPeriodFrom
Sat 4:50 AM3.9 ft4 sNNW (341°)
Sat 3:50 AM3.6 ft4 sNW (323°)
Sat 2:50 AM2.3 ft3 sWNW (294°)
Sat 1:50 AM2.3 ft4 sWNW (282°)
Sat 12:50 AM2.3 ft3 sW (268°)
Fri 11:50 PM2.6 ft6 sESE (114°)
Fri 10:50 PM2.0 ft6 sESE (102°)
Fri 9:50 PM2.0 ft6 sESE (111°)
Fri 8:50 PM2.0 ft6 sESE (108°)
Fri 7:50 PM2.0 ft7 sE (101°)
Fri 6:50 PM2.6 ft4 sSSE (147°)
Fri 5:50 PM2.6 ft4 sSSE (149°)
Fri 4:50 PM2.6 ft5 sSE (137°)
Fri 3:50 PM2.6 ft5 sSE (140°)
Fri 2:50 PM2.6 ft5 sSE (127°)
Fri 1:50 PM2.6 ft5 sSE (132°)
Fri 12:50 PM3.3 ft5 sSE (143°)
Fri 11:50 AM3.6 ft5 sSE (142°)
Fri 10:50 AM3.3 ft5 sSSE (156°)
Fri 9:50 AM3.9 ft5 sSSE (148°)
Fri 8:50 AM3.6 ft4 sSSE (147°)
Fri 7:50 AM2.6 ft4 sSE (146°)
Fri 6:50 AM2.6 ft4 sSE (144°)
Fri 5:50 AM2.3 ft3 sSSE (159°)

Surf zone forecast

Eastern Plymouth MA, including Cohasset, Duxbury, Hingham, Kingston, Marshfield, Plymouth, and Scituate. Issued 4:11 AM EDT Sat Oct 17.

ForecastTodaySunday
Rip current riskHighModerate
Surf height3 to 6 feetAround 3 feet
Water temperatureIn the upper 50s-
UV indexLow-
Thunderstorm potentialNoneNone
WeatherMostly cloudy until 4 PM, then mostly sunny. A chance of showersSunny
High temperatureIn the upper 40sIn the lower 50s
WindsNorthwest winds around 20 mphNortheast winds 5 to 10 mph
TidesScituate HarborLow 2.1 ft, 10:23 AMHigh 8.5 ft, 4:38 PMPlymouthLow 2.4 ft, 10:49 AMHigh 9.3 ft, 4:44 PMScituate HarborLow 2.3 ft, 11:17 AMHigh 8.3 ft, 5:34 PMPlymouthLow 2.6 ft, 11:43 AMHigh 9.1 ft, 5:38 PM
Monday
Surf height 6 to 9 feet. Mostly sunny. Highs in the mid 50s. Northeast winds around 10 mph
Tuesday
Surf height 6 to 10 feet. Partly sunny. Highs in the upper 50s. North winds around 20 mph
Wednesday
Surf height 6 to 8 feet. Partly sunny. Highs in the mid 50s. Breezy. Northeast winds around 25 mph

Tide

Tide at Scituate HarborLow 2.1 ft at Sat 10:23 AM, High 8.5 ft at Sat 4:38 PM, Low 2.3 ft at Sun 11:17 AM, High 8.3 ft at Sun 5:34 PM. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ft8 ft10 ftNoon6 PMSun6 AMNoon6 PM2.1 ft10:23 AM8.5 ft4:38 PM2.3 ft11:17 AM8.3 ft5:34 PMTide at Scituate HarborLow 2.1 ft at Sat 10:23 AM, High 8.5 ft at Sat 4:38 PM, Low 2.3 ft at Sun 11:17 AM, High 8.3 ft at Sun 5:34 PM. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ft8 ft10 ftNoonSunNoon2.1 ft10:23 AM8.5 ft4:38 PM2.3 ft11:17 AM8.3 ft5:34 PM
Tide at Scituate Harbor. Low 2.1 ft at Sat 10:23 AM, High 8.5 ft at Sat 4:38 PM, Low 2.3 ft at Sun 11:17 AM, High 8.3 ft at Sun 5:34 PM. Heights in feet above mean lower low water.

Beach

County
Plymouth County
State
Massachusetts
Latitude
42.2679° N
Longitude
70.8392° W

What is measuring near here

The 6 instruments nearest Gun Rock Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

Citizen station GW6013GW6013

In a volunteer observer's own ground/3.3 mi away/54 ft/- ft from here

temp, humidity, wind, precip, pressure

QuincyMA004

Beside a road/9.7 mi away/131 ft/- ft from here

temp, pavement temp, wind, visibility, precip

Boston/Logan INTLBOS

At an airfield/10.8 mi away/30 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Cohasset 2.2 NNWMA-NF-90

In a volunteer observer's own ground/1.0 mi away/50 ft/- ft from here

precip, snowfall, snow depth

HinghamHINM3

At a cooperative observer's station/4.6 mi away/89 ft/- ft from here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Hingham (HINM3), 4.6 miles from here, read 16 Oct, 19:00. measured daily

Elsewhere in Massachusetts

17 places, each with its own forecast and its own instruments.

Near Gun Rock Beach

The nearest places, each with its own forecast and the instruments nearest it.

Near Gun Rock Beach