Nantucket sound

NDBC buoy 44020

Observed , 39 minutes ago

Hazardous

Gale Warning in effect. Strong NE winds at 23 kn gusting to 29 kn. Small chop seas at 4 ft with 5 second dominant period from the ENE. Water 67°F, air 59°F. Next high tide at 10:32 PM (3 ft). Tonight: NE Winds 25 To 30 Kt With Gusts Up To 35 Kt.

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Gale Warning

Gale Warning issued September 23 at 3:58PM EDT until September 25 at 2:00AM EDT by NWS Boston/Norton MA

* WHAT...For the Gale Warning, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet. For the Storm Watch, north winds 30 to 40 kt with gusts up to 50 kt and seas 7 to 12 feet possible. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 2 AM EDT Friday. For the Storm Watch, from late Thursday night through Saturday evening. * IMPACTS...Storm force winds and hazardous seas could capsize or damage vessels and reduce visibility.

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Wind

Speed

23kn

Gust

29kn

Direction

50° NE

Trend

Easing

Last 11 hours23 to 27 kn

Waves

3.9ft

Period

5 s

Direction

67° ENE

Last 11 hours3.9 to 5.3 ft

Air temp

59°F

59 to 63°F today

Water temp

67°F

67 to 68°F today

Pressure

1031mbar

Tendency

Steady

3 hour change

+0.2 mbar

Last 11 hours1030 to 1031 mbar

Tides

Next high

10:32 PM

3.1 ft

Then low

4:34 AM

0.3 ft

Predicted, Great Point0.3 to 3.1 ft

Zone forecast

Tonight

NE Winds 25 To 30 Kt With Gusts Up To 35 Kt. Seas 5 To 7 Ft. Wave Detail: NE 6 Ft At 6 Seconds And SE 4 Ft At 11 Seconds.

Thu

NE Winds 25 To 30 Kt With Gusts Up To 35 Kt. Seas 5 To 7 Ft. Wave Detail: E 6 Ft At 6 Seconds And SE 6 Ft At 11 Seconds.

Thu Night

NE Winds 25 To 30 Kt With Gusts Up To 35 Kt, Increasing To 30 To 35 Kt With Gusts Up To 45 Kt After Midnight. Seas 5 To 7 Ft. Wave Detail: N 6 Ft At 5 Seconds And E 6 Ft At 11 Seconds. A Chance Of Rain After Midnight.

Synopsis

Large high pres will remain anchored in the vicinity of Quebec right into the weekend. At the same time, a slow moving and intensifying ocean storm will retrograde towards the coast this weekend. While its exact track and timing remains uncertain, dangerous conditions are expected for mariners later this week into the weekend. NE wind gusts of 35 to 55 knots with seas potentially building 15-20+ feet by the weekend. Mariners should keep up to date with the latest forecasts and be prepared to return to port.

NWS zone Nantucket Sound

Last 24 hours

Time WindWaves
23 kn NE3.9 ft
27 kn NE4.3 ft
25 kn NE4.3 ft
25 kn NE4.9 ft
23 kn ENE4.6 ft

Every 3 hours, over the last 12 hours. Air 59 to 63°F, water 67 to 68°F, pressure 1,030 to 1,031 mbar over the same window.

4 stations within 30 NM

Carriage House, Waquoit Bay Reserve, MA 12 NM WNW Nantucket Island, MA 15 NM SSE Woods Hole, MA 18 NM W Chatham, MA 19 NM NE

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Common questions

How often does buoy 44020 report?

Wind, temperature and pressure update about every 10 minutes. Wave height and period update about every 30 minutes.

Can I be notified when conditions change at buoy 44020?

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

Does this page show NOAA warnings for this area?

Watches, warnings, and advisories for Nantucket Sound 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 buoy 44020 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 buoy 44020 for next time?

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

Station 44020
41°29'49" N 70°16'59" W · 3D41 · owned and maintained by NDBC

Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.