Boston

NOAA CO-OPS station 8443970

Observed , 13 minutes ago

Challenging

Small Craft Advisory in effect. Air 58°F. This Afternoon: W winds 15 to 20 kt, diminishing to 10 to 15 kt.

Based on the zone forecast. This station does not measure wind or sea state.

It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.

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Small Craft Advisory

Small Craft Advisory issued November 8 at 7:39AM EST until November 8 at 4:00PM EST by NWS Boston/Norton MA

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 3 feet. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...Until 4 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL INFORMATION...Expecting a brief lull in conditions this morning into early afternoon. Gusty winds and rough seas should redevelop by this evening.

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Water Level

9.9ft

Datum

MLLW

Last 12 hours1.6 to 11 ft

Air temp

58°F

Last 12 hours48 to 58°F

Pressure

1005mbar

Tendency

Easing

3 hour change

-1.2 mbar

Last 12 hours1002 to 1006 mbar

Zone forecast

This Afternoon

W winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Waves around 2 ft.

Tonight

W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft.

Mon

W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

Synopsis

Coastal low pres will move into the Maritimes today. This will generate a W flow across the waters through mid-week. Developing low pres will emerge off the coast late in the week, potentially developing into a gale center which may pass in the vicinity of the 40N/70W benchmark sometime Fri into Sat.

NWS zone Boston Harbor

Last 24 hours

Time Water LevelAir
9.9 ft58°F
9.6 ft50°F
3.4 ft50°F
3.3 ft48°F
8.7 ft50°F

Every 3 hours, over the last 12 hours. Pressure 1,002 to 1,006 mbar over the same window.

3 stations within 30 NM

Castle Island (NOS) 8444069 2 NM ESE BOSTON 16 NM East of Boston, MA 18 NM E Buoy A01 - Massachusetts Bay 24 NM ENE

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Common questions

Can I be notified when conditions change at station 8443970?

Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this station crosses them.

Does this page show NOAA warnings for this area?

Watches, warnings, and advisories for Boston Harbor appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.

Can I see the forecast against what station 8443970 measured?

This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.

Can I keep station 8443970 for next time?

Save it as a favorite and Buoycast opens on the stations you run.

What this station measures

This station is not reporting wind or water temperature. Conditions above come from the sensors it does carry, and the forecast, tides and sun times on this page are regional rather than measured at the station.

Station 8443970
42°21'14" N 71°02'60" W

Measured by 400+ NOAA CO-OPS stations. Observations from the Center for Operational Oceanographic Products and Services, forecasts and advisories from the National Weather Service. Not for navigation.