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: http://www.nmfs.noaa.gov/pr/shipstrike

For area forecasts and warnings, select: Boston WFO

Average surface winds - six hour block.

Date (UTC)	Average Wind Dir (True)	Average Wind Spd (Knots)	Wind Obs	Average Seas (Feet)	Air Temp. (Degrees F.)	Air Temp. Obs	Water Temp. (Degrees F.)	Water Temp. Obs
2026-01-17 1200Z	183	2	60	-	39	42	37	58
2026-01-17 0600Z	228	2	60	-	35	42	37	54
2026-01-17 0000Z	262	7	57	-	32	33	38	54
2026-01-16 1800Z	264	13	58	-	29	25	38	60
2026-01-16 1200Z	281	12	57	-	27	30	38	60
2026-01-16 0600Z	279	7	58	-	33	27	39	52
2026-01-16 0000Z	243	7	57	-	39	30	39	57
2026-01-15 1800Z	228	8	60	-	46	28	39	57
2026-01-15 1200Z	196	6	48	-	45	27	38	57
2026-01-15 0600Z	180	6	60	-	45	24	38	57
2026-01-15 0000Z	177	6	50	-	45	22	38	49
2026-01-14 1800Z	207	8	60	-	48	27	38	60
2026-01-14 1200Z	205	7	60	-	46	39	37	60
2026-01-14 0600Z	197	7	60	-	44	31	37	60
2026-01-14 0000Z	201	6	57	-	41	24	37	54
2026-01-13 1800Z	236	7	60	-	42	28	37	54
2026-01-13 1200Z	249	4	60	-	37	42	37	60
2026-01-13 0600Z	261	5	58	-	37	42	37	60
2026-01-13 0000Z	255	6	57	-	37	39	37	57
2026-01-12 1800Z	279	10	60	-	37	27	37	54

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

NDBC on Facebook

NOAA on LinkedIn

NDBC on Twitter