Citizen station CW0467CW0467
In a volunteer observer's own ground/3.4 mi away/56 ft/- ft from here
temp, humidity, wind, precip, pressure
Beaches/Massachusetts/Captain's Flats
Captain's Flats, Massachusetts
Beach in Plymouth County, Massachusetts* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 2 to 4 feet. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...Until 2 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
45°
52°/41°
Light rain·
Feels like 40°·Gentle breeze 11 mph NNW
Alert. A Small Craft Advisory is in force for Captain's Flats until 2 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Captain's Flats is 45° and light rain at 7 AM. With the wind it feels like 40°. The dew point is 42°, so the air feels dry and comfortable. Gentle breeze from the north-northwest at 11 mph.
Today and tonight. It warms to about 51° by 1 PM. Tonight falls to about 39° by 4 AM, under a mostly clear sky.
The week. The warmest day ahead is Friday, near 58°, and the coolest tomorrow, near 54°. The days ahead look dry.
The sky tonight. The sun sets at 5:58 PM. The Moon is a waxing crescent, 42% lit, and sets at 10:47 PM. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 2 minutes long, 3 minutes shorter than yesterday.
0UV Low
20Air quality
79%Humidity
99%Cloud
Now
7:00 AM
45feels40
48%
Today
Oct 17
5241
25%
14mph
Sun
Oct 18
5438
clear day
Mon
Oct 19
5740
mostly clear day
Tue
Oct 20
5744
14mph
Wed
Oct 21
5546
17mph
Thu
Oct 22
5645
21%
13mph
Fri
Oct 23
5845
16%
14mph
45°
52°41°
54°38°
57°40°
57°44°
55°46°
56°45°
58°45°
As of 7:00 AM in Captain's Flats, Massachusetts.
Air quality
The air at Captain's Flats
Index 20, good, led by ozone. Read at 7 AM from its reporting area, North Bristol-Plymouth (MA), 15 miles off.
20Good
- Fine particles (PM2.5)7Good18.7 mi
- Ozone20Good25 ppb18.7 mi
The days ahead
Good each day through Tue Oct 20, led by fine particles. Yesterday measured 25, good.
GoodModerate
- 25YesterdayOct 16
- 30TodayOct 17
- 30SunOct 18
- 35MonOct 19
- 35TueOct 20
Smoke, the next 44 hours
No smoke near the ground through Mon 2 AM.
Precipitation
What has fallen at Captain's Flats
0.41 in in the last 24 hours, and none in the 2 days before, to Sat 6 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.41in
- Last 3 days
- 0.41in
Visibility
How far you can see at Captain's Flats, the next 44 hours
Visibility stays 10 miles or more through Mon 2 AM.
F
Now, today, and the week
Weather instrument stations by state
Facing SE 139°
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, 23.6 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 (335°)
- Swell
- 1.0 ft at 8 s from SSE
- Wind waves
- 3.9 ft at 4 s from NNW
- Water
- 58 °F
- Read
- Sat 6:50 AM
- Distance
- 23.6 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.
Every hour, last 24 hours
| Time | Wave height | Period | From |
|---|---|---|---|
| Sat 6:50 AM | 3.9 ft | 4 s | NNW (335°) |
| Sat 5:50 AM | 4.3 ft | 5 s | NNW (339°) |
| Sat 4:50 AM | 3.9 ft | 4 s | NNW (341°) |
| Sat 3:50 AM | 3.6 ft | 4 s | NW (323°) |
| Sat 2:50 AM | 2.3 ft | 3 s | WNW (294°) |
| Sat 1:50 AM | 2.3 ft | 4 s | WNW (282°) |
| Sat 12:50 AM | 2.3 ft | 3 s | W (268°) |
| Fri 11:50 PM | 2.6 ft | 6 s | ESE (114°) |
| Fri 10:50 PM | 2.0 ft | 6 s | ESE (102°) |
| Fri 9:50 PM | 2.0 ft | 6 s | ESE (111°) |
| Fri 8:50 PM | 2.0 ft | 6 s | ESE (108°) |
| Fri 7:50 PM | 2.0 ft | 7 s | E (101°) |
| Fri 6:50 PM | 2.6 ft | 4 s | SSE (147°) |
| Fri 5:50 PM | 2.6 ft | 4 s | SSE (149°) |
| Fri 4:50 PM | 2.6 ft | 5 s | SE (137°) |
| Fri 3:50 PM | 2.6 ft | 5 s | SE (140°) |
| Fri 2:50 PM | 2.6 ft | 5 s | SE (127°) |
| Fri 1:50 PM | 2.6 ft | 5 s | SE (132°) |
| Fri 12:50 PM | 3.3 ft | 5 s | SE (143°) |
| Fri 11:50 AM | 3.6 ft | 5 s | SE (142°) |
| Fri 10:50 AM | 3.3 ft | 5 s | SSE (156°) |
| Fri 9:50 AM | 3.9 ft | 5 s | SSE (148°) |
| Fri 8:50 AM | 3.6 ft | 4 s | SSE (147°) |
| Fri 7:50 AM | 2.6 ft | 4 s | SE (146°) |
Surf zone forecast
Eastern Plymouth MA, including Cohasset, Duxbury, Hingham, Kingston, Marshfield, Plymouth, and Scituate. Issued 4:11 AM EDT Sat Oct 17.
| Forecast | Today | Sunday |
|---|---|---|
| Rip current risk | High | Moderate |
| Surf height | 3 to 6 feet | Around 3 feet |
| Water temperature | In the upper 50s | - |
| UV index | Low | - |
| Thunderstorm potential | None | None |
| Weather | Mostly cloudy until 4 PM, then mostly sunny. A chance of showers | Sunny |
| High temperature | In the upper 40s | In the lower 50s |
| Winds | Northwest winds around 20 mph | Northeast winds 5 to 10 mph |
| Tides | Scituate HarborLow 2.1 ft, 10:23 AMHigh 8.5 ft, 4:38 PMPlymouthLow 2.4 ft, 10:49 AMHigh 9.3 ft, 4:44 PM | Scituate 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
Beach
- County
- Plymouth County
- State
- Massachusetts
- Latitude
- 42.0042° N
- Longitude
- 70.6647° W
What is measuring near here
The 6 instruments nearest Captain's Flats, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.5 miles away.
measured now4 instruments
MarshfieldGHG
At an airfield/6.5 mi away/11 ft/- ft from here
temp, wind, gust, visibility, precip, pressure
Sagamore Rt 6MA037
Beside a road/17.2 mi away/129 ft/- ft from here
temp, pavement temp, wind, visibility, precip
SandwichSANM3
At a river or reservoir gauge/18.1 mi away/7 ft/- ft from here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Kingston 0.2 ESEMA-PL-20
In a volunteer observer's own ground/2.5 mi away/23 ft/- ft from here
precip, snowfall, snow depth
Mci (Mass. Correctional Institution)BRGM3
At a cooperative observer's station/15.1 mi away/33 ft/- ft from here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Mci (Mass. Correctional Institution) (BRGM3), 15.1 miles from here, read 16 Oct, 08:00. measured daily
Elsewhere in Massachusetts
17 places, each with its own forecast and its own instruments.
Near Captain's Flats
The nearest places, each with its own forecast and the instruments nearest it.
- South Duxburycommunity, 2 mi
- North Plymouthcommunity, 3 mi
- Duxburycommunity, 3 mi
- Kingstoncommunity, 3 mi
- Plymouthcommunity, 3 mi
- Green Harborcommunity, 5 mi
- Cedar Crestcommunity, 5 mi
- Marshfieldcommunity, 7 mi
- Ocean Bluff-Brant Rockcommunity, 7 mi
- North Pembrokecommunity, 9 mi
- The Pinehillscommunity, 9 mi
- Marshfield Hillscommunity, 10 mi
Beaches near Captain's Flats
- Standish Shoreunder 1 mi
- Shipyard Lane Beach2 mi
- Grays Beach Park2 mi
- Saquish Beach2 mi
- Nelson Beach3 mi
- Plymouth Beach3 mi
- Stephens Field Beach4 mi
- Sunrise Beach6 mi