Station List

Station IOSN3 - Isle of Shoals, NH Image indicating link to RSS feed of recent meteorological observations for station IOSN3

Owned and maintained by National Data Buoy Center
C-MAN Station
SM+ Payload
42.967 N 70.623 W (42°58'2" N 70°37'24" W)

Site elevation: 9.8 m above mean sea level
Air temp height: 21.3 m above site elevation
Anemometer height: 21.9 m above site elevation
Barometer elevation: 25 m above mean sea level

Caution: Right whales may be active in northeast waters year-round. NOAA may establish temporary Dynamic Management Areas (DMAs) to protect aggregations of right whales. Mariners are requested to transit DMAs at 10 knots or less when consistent with safe navigation. For information on currently active DMAs, go to: http://www.nmfs.noaa.gov/pr/shipstrike

Latest NWS Marine Forecast

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station IOSN3

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Station IOSN3

Conditions at IOSN3 as of
(4:50 am EST)
0950 GMT on 11/15/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR): NW ( 310 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 17 kts
5-day plot - Wind Gust Wind Gust (GST): 19 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.85 in
5-day plot - Air Temperature Air Temperature (ATMP): 38.5 °F
5-day plot - Dew Point Dew Point (DEWP): 33.3 °F
5-day plot - Wind Chill Wind Chill (CHILL): 28.6 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 16 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 16 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Supplemental Measurements
Lowest 1-minute Pressure
Time (EST)Pressure
4:45 am29.85 in
Highest 1-minute Wind Speed
Time (EST)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
4:42 am 17 kts NW ( 310 deg true )
Previous observations
TIME
(EST)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-11-15 04:40 amWNW 17 20----29.85- 38.3- 32.7---
2026-11-15 04:30 amWNW 17 19----29.85- 38.5- 33.1---
2026-11-15 04:20 am NW 17 20----29.84- 38.8- 33.3---
2026-11-15 04:10 am NW 18 21----29.84- 38.7- 32.9---
2026-11-15 04:00 am NW 18 21----29.84+0.04 38.8- 32.9---
2026-11-15 03:50 am NW 18 21----29.83- 39.2- 33.4---
2026-11-15 03:40 am NW 17 20----29.83- 39.0- 33.4---
2026-11-15 03:30 am NW 17 20----29.83- 38.8- 33.3---
2026-11-15 03:20 am NW 17 21----29.83- 39.0- 33.6---
2026-11-15 03:10 am NW 17 19----29.83- 38.8- 33.4---
2026-11-15 03:00 am NW 17 21----29.82+0.03 39.0- 33.8---
2026-11-15 02:50 am NW 17 21----29.82- 39.0- 33.8---
2026-11-15 02:40 am NW 16 20----29.82- 38.7- 33.6---
2026-11-15 02:30 amWNW 17 20----29.82- 38.7- 33.4---
2026-11-15 02:20 amWNW 15 18----29.81- 39.2- 34.3---
2026-11-15 02:10 amWNW 15 17----29.81- 39.2- 34.2---
2026-11-15 02:00 amWNW 15 17----29.80+0.04 39.4- 34.2---
2026-11-15 01:50 am NW 15 17----29.80- 39.6- 34.5---
2026-11-15 01:40 am NW 15 18----29.80- 39.4- 34.2---
2026-11-15 01:30 amWNW 16 18----29.80- 39.4- 34.2---
2026-11-15 01:20 amWNW 16 19----29.80- 39.4- 34.2---
2026-11-15 01:10 amWNW 16 19----29.79- 39.6- 34.5---
2026-11-15 01:00 am NW 17 20----29.79+0.04 39.6- 34.0---
2026-11-15 12:50 amWNW 18 20----29.79- 39.7- 34.5---
2026-11-15 12:40 amWNW 16 19----29.79- 39.6- 34.5---
2026-11-15 12:30 amWNW 17 20----29.79- 39.6- 34.5---
2026-11-15 12:20 amWNW 16 19----29.79- 39.6- 34.7---
2026-11-15 12:10 amWNW 15 18----29.79- 39.6- 34.5---
2026-11-15 12:00 amWNW 14 17----29.79+0.04 39.9- 34.5---
2026-11-14 11:50 pmWNW 13 15----29.79- 40.3- 34.7---
2026-11-14 11:40 pm NW 13 15----29.78- 40.3- 34.2---
2026-11-14 11:30 pm NW 13 15----29.78- 40.3- 34.0---
2026-11-14 11:20 pm NW 14 17----29.78- 40.5- 34.0---
2026-11-14 11:10 pm NW 15 18----29.78- 40.5- 34.2---
2026-11-14 11:00 pm NW 15 17----29.77+0.03 40.5- 34.3---
2026-11-14 10:50 pm NW 15 18----29.77- 40.5- 34.2---
2026-11-14 10:40 pmWNW 15 18----29.77- 40.5- 34.3---
2026-11-14 10:30 pmWNW 15 17----29.77- 40.3- 34.0---
2026-11-14 10:20 pmWNW 15 17----29.77- 40.5- 34.0---
2026-11-14 10:10 pmWNW 14 16----29.76- 40.8- 34.2---
2026-11-14 10:00 pmWNW 13 16----29.76+0.03 40.8- 34.2---
2026-11-14 09:50 pmWNW 14 17----29.76- 41.0- 34.0---
2026-11-14 09:40 pmWNW 13 16----29.76- 41.0- 34.2---
2026-11-14 09:30 pmWNW 14 17----29.76- 40.8- 33.6---
2026-11-14 09:20 pmWNW 14 17----29.76- 41.0- 33.8---
2026-11-14 09:10 pmWNW 15 17----29.75- 41.2- 34.0---
2026-11-14 09:00 pmWNW 15 19----29.75+0.04 41.4- 34.2---
2026-11-14 08:50 pmWNW 15 18----29.75- 41.4- 33.8---
2026-11-14 08:40 pmWNW 15 17----29.75- 41.4- 33.6---
2026-11-14 08:30 pmWNW 16 18----29.75- 41.5- 33.6---
2026-11-14 08:20 pmWNW 15 19----29.74- 41.7- 34.3---
2026-11-14 08:10 pmWNW 14 17----29.75- 41.7- 34.0---
2026-11-14 08:00 pmWNW 13 16----29.74+0.05 41.9- 34.3---
2026-11-14 07:50 pmWNW 12 14----29.74- 41.9- 34.3---
2026-11-14 07:40 pmWNW 12 14----29.74- 41.9- 34.3---
2026-11-14 07:30 pmWNW 11 14----29.74- 42.1- 34.5---
2026-11-14 07:20 pmWNW 11 13----29.73- 42.3- 34.3---
2026-11-14 07:10 pmWNW 12 15----29.73- 42.1- 33.6---
2026-11-14 07:00 pm NW 12 17----29.73+0.05 42.1- 33.4---
2026-11-14 06:50 pmWNW 14 18----29.72- 42.1- 33.6---
2026-11-14 06:40 pm NW 16 19----29.72- 41.9- 33.4---
2026-11-14 06:30 pm NW 17 22----29.72- 42.1- 33.3---
2026-11-14 06:20 pm NW 18 21----29.72- 42.1- 33.1---
2026-11-14 06:10 pm NW 16 19----29.72- 42.4- 34.0---
2026-11-14 06:00 pmWNW 17 19----29.71+0.06 42.4- 33.4---
2026-11-14 05:50 pmWNW 16 20----29.71- 42.8- 33.6---
2026-11-14 05:40 pmWNW 17 20----29.70- 43.2- 32.9---
2026-11-14 05:30 pmWNW 15 17----29.70- 43.5- 32.9---
2026-11-14 05:20 pmWNW 15 18----29.70- 43.7- 32.9---
2026-11-14 05:10 pmWNW 15 18----29.70- 43.7- 32.5---
2026-11-14 05:00 pmWNW 14 18----29.70+0.07 43.7- 32.2---
2026-11-14 04:50 pmWNW 14 17----29.69- 43.7- 31.8---
2026-11-14 04:40 pmWNW 14 17----29.69- 43.9- 31.6---
2026-11-14 04:30 pmWNW 15 18----29.69- 43.9- 31.3---
2026-11-14 04:20 pmWNW 14 18----29.69- 44.1- 31.6---
2026-11-14 04:10 pmWNW 14 18----29.67- 44.1- 31.1---
2026-11-14 04:00 pm W 12 14----29.67+0.04 44.1- 30.6---
2026-11-14 03:50 pm W 13 16----29.67- 44.1- 30.2---
2026-11-14 03:40 pm W 12 16----29.67- 44.1- 30.2---
2026-11-14 03:30 pmWNW 13 16----29.66- 44.1- 30.4---
2026-11-14 03:20 pm W 14 17----29.66- 43.9- 30.0---
2026-11-14 03:10 pm W 13 17----29.66- 44.1- 30.0---
2026-11-14 03:00 pm W 14 17----29.65+0.01 44.2- 30.4---
2026-11-14 02:50 pm W 14 19----29.65- 44.2- 29.8---
2026-11-14 02:40 pm W 11 16----29.64- 44.1- 29.5---
2026-11-14 02:30 pm W 10 14----29.64- 44.1- 29.1---
2026-11-14 02:20 pm W 11 13----29.64- 43.9- 28.2---
2026-11-14 02:10 pmWNW 10 15----29.63- 44.1- 29.1---
2026-11-14 02:00 pmWSW 5 7----29.63-0.02 43.5- 28.8---
2026-11-14 01:50 pmWSW 5 7----29.63- 43.3- 27.9---
2026-11-14 01:40 pmWSW 5 7----29.63- 43.2- 27.9---
2026-11-14 01:30 pmWSW 4 6----29.63- 43.0- 27.9---
2026-11-14 01:20 pmWSW 5 6----29.63- 43.0- 28.2---
2026-11-14 01:10 pmWSW 6 8----29.64- 43.0- 28.4---
2026-11-14 01:00 pmWSW 5 7----29.63-0.01 43.2- 28.9---
2026-11-14 12:50 pm W 5 7----29.63- 42.8- 28.6---
2026-11-14 12:40 pm W 5 6----29.63- 42.4- 28.4---
2026-11-14 12:30 pm W 4 6----29.63- 42.4- 27.7---
2026-11-14 12:20 pm W 5 7----29.64- 42.3- 27.7---
2026-11-14 12:10 pmWNW 5 7----29.64- 42.1- 27.9---
2026-11-14 12:00 pmWNW 6 9----29.64-0.01 41.9- 28.4---
2026-11-14 11:50 amWNW 5 8----29.64- 41.7- 28.0---
2026-11-14 11:40 amWNW 7 9----29.64- 41.4- 28.6---
2026-11-14 11:30 am NW 7 9----29.64- 41.2- 27.9---
2026-11-14 11:20 am NW 6 10----29.64- 41.0- 28.8---
2026-11-14 11:10 am NW 6 9----29.64- 41.0- 28.8---
2026-11-14 11:00 am NW 8 10----29.65-0.01 40.8- 29.5---
2026-11-14 10:50 am NW 8 10----29.65- 40.6- 29.5---
2026-11-14 10:40 amNNW 8 10----29.65- 40.5- 29.7---
2026-11-14 10:30 amNNW 9 11----29.65- 40.3- 30.0---
2026-11-14 10:20 am NW 9 12----29.65- 40.5- 30.7---
2026-11-14 10:10 amNNW 8 10----29.65- 40.6- 30.4---
2026-11-14 10:00 amNNW 9 11----29.65-0.01 40.3- 30.7---
2026-11-14 09:50 am NW 10 11----29.65- 39.7- 30.6---
2026-11-14 09:40 amNNW 9 12----29.65- 40.1- 31.3---
2026-11-14 09:30 amNNW 10 12----29.65- 39.9- 31.1---
2026-11-14 09:20 am NW 10 13----29.65- 39.2- 30.9---
2026-11-14 09:10 amNNW 11 13----29.65- 39.0- 31.1---
2026-11-14 09:00 am NW 11 13----29.65+0.00 38.7- 30.7---
2026-11-14 08:50 am NW 10 13----29.65- 38.3- 30.9---
2026-11-14 08:40 am NW 11 13----29.65- 37.8- 30.0---
2026-11-14 08:30 amWNW 11 13----29.65- 37.6- 30.2---
2026-11-14 08:20 amWNW 12 13----29.65- 37.6- 30.0---
2026-11-14 08:10 amWNW 11 13----29.66- 37.6- 30.0---
2026-11-14 08:00 am NW 12 14----29.66+0.00 37.6- 30.2---
2026-11-14 07:50 am NW 12 14----29.66- 37.4- 29.8---
2026-11-14 07:40 am NW 12 13----29.66- 37.2- 29.8---
2026-11-14 07:30 am NW 12 14----29.65- 37.4- 30.0---
2026-11-14 07:20 am NW 12 14----29.66- 37.2- 29.7---
2026-11-14 07:10 am NW 12 14----29.65- 37.2- 29.5---
2026-11-14 07:00 am NW 11 14----29.65-0.02 37.2- 29.7---
2026-11-14 06:50 am NW 11 13----29.65- 37.0- 29.7---
2026-11-14 06:40 am NW 12 14----29.65- 37.0- 29.3---
2026-11-14 06:30 am NW 13 14----29.65- 37.2- 29.3---
2026-11-14 06:20 am NW 13 16----29.65- 37.4- 29.7---
2026-11-14 06:10 am NW 14 16----29.65- 37.6- 29.3---
2026-11-14 06:00 am NW 14 16----29.65-0.02 37.8- 29.3---
2026-11-14 05:50 amWNW 14 17----29.65- 38.1- 29.1---
2026-11-14 05:40 amWNW 13 15----29.65- 38.3- 29.3---
2026-11-14 05:30 amWNW 11 13----29.65- 38.7- 28.8---
2026-11-14 05:20 amWNW 11 12----29.65- 38.7- 29.1---
2026-11-14 05:10 amWNW 11 13----29.65- 38.5- 28.9---
2026-11-14 05:00 amWNW 10 12----29.65-0.01 38.3- 29.1---
2026-11-14 04:50 amWNW 9 11----29.65- 38.1- 29.3---