Station NTKM3 - Search and Rescue Data

8449130 - Nantucket Island, MA
41.285 N 70.096 W (41°17'7" N 70°5'47" W)

Caution: Right whales may be active in northeast waters year-round. Mandatory speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas and times along the US east coast. Voluntary speed restrictions may be in effect in other areas and times. For current information on speed-restricted areas, go to:  

For area forecasts and warnings, select: Boston WFO

Average surface winds - six hour block.

Date (UTC) Average
Wind Dir
Wind Spd
Air Temp.
(Degrees F.)
Air Temp.
Water Temp.
(Degrees F.)
Water Temp.
2024-07-13 0600Z200660-075607760
2024-07-13 0000Z204757-077517757
2024-07-12 1800Z2101060-079607760
2024-07-12 1200Z214660-075577660
2024-07-12 0600Z203760-074577660
2024-07-12 0000Z201957-076547757
2024-07-11 1800Z1971260-078577660
2024-07-11 1200Z1891060-075607560
2024-07-11 0600Z186757-072587660
2024-07-11 0000Z193857-075547754
2024-07-10 1800Z209960-078607660
2024-07-10 1200Z213760-075607560
2024-07-10 0600Z220560-073607560
2024-07-10 0000Z218657-075577657
2024-07-09 1800Z210660-077607560
2024-07-09 1200Z203360-074607557
2024-07-09 0600Z225260-074607460
2024-07-09 0000Z224457-075527554
2024-07-08 1800Z213260-078577557
2024-07-08 1200Z28160-075607460

The six-hour averages are calculated as follows:

  • The 0000Z average uses data from 2100Z to 0259Z.
  • The 0600Z average uses data from 0300Z to 0859Z.
  • The 1200Z average uses data from 0900Z to 1459Z.
  • The 1800Z average uses data from 1500Z to 2059Z.

Display all available SAR data (up to 45 days)

Display NTKM3 station page