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

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Important Notice to Mariners

Search And Rescue (SAR) Data

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Station IOSN3

Conditions at IOSN3 as of
(11:40 pm EST on 11/12/2026)
0440 GMT on 11/13/2026:
     

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): NE ( 50 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 26 kts
5-day plot - Wind Gust Wind Gust (GST): 29 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.54 in
5-day plot - Air Temperature Air Temperature (ATMP): 46.0 °F
5-day plot - Dew Point Dew Point (DEWP): 40.8 °F
5-day plot - Wind Chill Wind Chill (CHILL): 36.7 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 23 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 25 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
11:40 pm29.54 in
Highest 1-minute Wind Speed
Time (EST)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
11:40 pm 27 ktsENE ( 60 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
2026-11-12 11:30 pm NE 26 31----29.54- 46.6- 40.6---
2026-11-12 11:20 pm NE 22 29----29.54- 45.9- 41.9---
2026-11-12 11:10 pm NE 23 29----29.54- 45.7- 42.4---
2026-11-12 11:00 pm NE 27 32----29.54-0.05 46.0- 42.3---
2026-11-12 10:50 pm NE 27 30----29.54- 46.2- 42.4---
2026-11-12 10:40 pm NE 26 30----29.54- 46.0- 43.0---
2026-11-12 10:30 pmENE 27 30----29.54- 46.8- 42.6---
2026-11-12 10:20 pmENE 25 29----29.54- 47.8- 41.5---
2026-11-12 10:10 pmENE 25 29----29.55- 48.0- 41.7---
2026-11-12 10:00 pmENE 25 27----29.56-0.03 48.2- 41.4---
2026-11-12 09:50 pmENE 23 26----29.57- 48.2- 41.4---
2026-11-12 09:40 pmENE 23 25----29.57- 48.2- 41.4---
2026-11-12 09:30 pmENE 23 27----29.57- 48.2- 41.5---
2026-11-12 09:20 pmENE 24 27----29.58- 48.2- 41.5---
2026-11-12 09:10 pmENE 23 26----29.58- 48.4- 41.9---
2026-11-12 09:00 pmENE 24 26----29.58-0.02 48.2- 41.5---
2026-11-12 08:50 pmENE 24 27----29.58- 48.4- 41.9---
2026-11-12 08:40 pmENE 24 26----29.59- 48.4- 42.1---
2026-11-12 08:30 pmENE 24 27----29.58- 48.6- 42.3---
2026-11-12 08:20 pmENE 24 28----29.59- 48.6- 42.4---
2026-11-12 08:10 pmENE 24 27----29.59- 48.6- 42.4---
2026-11-12 08:00 pmENE 24 27----29.59-0.03 48.6- 42.6---
2026-11-12 07:50 pmENE 25 29----29.59- 48.6- 42.6---
2026-11-12 07:40 pmENE 24 27----29.59- 48.6- 42.8---
2026-11-12 07:30 pmENE 23 26----29.59- 48.4- 42.8---
2026-11-12 07:20 pm NE 24 27----29.59- 48.2- 42.4---
2026-11-12 07:10 pm NE 23 29----29.59- 48.2- 42.6---
2026-11-12 07:00 pm NE 23 28----29.59-0.03 48.2- 42.6---
2026-11-12 06:50 pm NE 23 28----29.59- 48.0- 42.6---
2026-11-12 06:40 pm NE 20 25----29.60- 48.0- 43.0---
2026-11-12 06:30 pm NE 22 29----29.60- 48.0- 43.0---
2026-11-12 06:20 pm NE 22 28----29.61- 47.8- 43.3---
2026-11-12 06:10 pm NE 23 29----29.60- 47.5- 43.3---
2026-11-12 06:00 pm NE 22 27----29.60-0.05 47.1- 43.9---
2026-11-12 05:50 pm NE 23 28----29.61- 47.1- 44.2---
2026-11-12 05:40 pm NE 25 29----29.61- 47.3- 44.1---
2026-11-12 05:30 pm NE 24 30----29.61- 47.3- 44.4---
2026-11-12 05:20 pm NE 23 28----29.62- 46.9- 45.0---
2026-11-12 05:10 pm NE 23 27----29.62- 46.8- 45.0---
2026-11-12 05:00 pm NE 20 29----29.62-0.05 46.9- 45.1---
2026-11-12 04:50 pm NE 24 27----29.62- 46.9- 44.6---
2026-11-12 04:40 pm NE 23 26----29.62- 46.9- 44.8---
2026-11-12 04:30 pm NE 23 27----29.62- 47.1- 44.8---
2026-11-12 04:20 pmNNE 23 27----29.63- 46.9- 44.6---
2026-11-12 04:10 pmNNE 21 27----29.63- 46.6- 44.4---
2026-11-12 04:00 pmNNE 22 28----29.63-0.05 46.4- 45.0---
2026-11-12 03:50 pmNNE 23 28----29.63- 46.0- 45.0---
2026-11-12 03:40 pmNNE 22 26----29.63- 45.9- 44.8---
2026-11-12 03:30 pmNNE 24 27----29.64- 45.7- 44.2---
2026-11-12 03:20 pmNNE 22 26----29.65- 45.9- 44.2---
2026-11-12 03:10 pmNNE 20 24----29.66- 46.0- 43.9---
2026-11-12 03:00 pmNNE 22 26----29.65-0.05 46.0- 43.9---
2026-11-12 02:50 pmNNE 22 25----29.65- 46.0- 44.1---
2026-11-12 02:40 pmNNE 21 25----29.66- 46.8- 44.4---
2026-11-12 02:30 pmNNE 21 26----29.66- 46.8- 44.4---
2026-11-12 02:20 pmNNE 19 24----29.66- 46.8- 44.6---
2026-11-12 02:10 pmNNE 18 22----29.66- 47.1- 44.6---
2026-11-12 02:00 pm NE 18 21----29.67-0.07 47.1- 44.8---
2026-11-12 01:50 pm NE 19 23----29.67- 47.3- 44.4---
2026-11-12 01:40 pm NE 19 24----29.67- 47.5- 44.6---
2026-11-12 01:30 pm NE 19 22----29.67- 47.7- 44.4---
2026-11-12 01:20 pm NE 17 22----29.67- 47.7- 45.3---
2026-11-12 01:10 pm NE 18 23----29.68- 47.5- 45.3---
2026-11-12 01:00 pm NE 16 21----29.68-0.08 47.5- 45.5---
2026-11-12 12:50 pm NE 18 22----29.68- 47.1- 45.1---
2026-11-12 12:40 pm NE 18 23----29.68- 46.9- 45.0---
2026-11-12 12:30 pm NE 19 23----29.69- 46.9- 44.4---
2026-11-12 12:20 pm NE 20 22----29.70- 47.3- 44.2---
2026-11-12 12:10 pm NE 20 22----29.70- 47.8- 44.4---
2026-11-12 12:00 pmENE 19 21----29.71-0.07 48.2- 44.2---
2026-11-12 11:50 amENE 18 20----29.71- 48.4- 44.2---
2026-11-12 11:40 amENE 19 21----29.72- 48.4- 43.7---
2026-11-12 11:30 am E 18 20----29.72- 48.6- 43.3---
2026-11-12 11:20 am E 19 21----29.73- 48.6- 42.8---
2026-11-12 11:10 amENE 19 20----29.73- 48.7- 42.8---
2026-11-12 11:00 amENE 18 21----29.73-0.05 48.7- 42.6---
2026-11-12 10:50 am E 19 21----29.74- 48.7- 42.8---
2026-11-12 10:40 am E 19 21----29.74- 48.6- 42.3---
2026-11-12 10:30 amENE 17 19----29.75- 48.4- 42.4---
2026-11-12 10:20 amENE 19 21----29.75- 48.2- 42.1---
2026-11-12 10:10 amENE 17 21----29.75- 48.4- 41.7---
2026-11-12 10:00 amENE 17 21----29.76-0.03 48.7- 40.8---
2026-11-12 09:50 amENE 17 19----29.76- 48.7- 40.8---
2026-11-12 09:40 amENE 16 19----29.77- 48.7- 40.6---
2026-11-12 09:30 am E 15 17----29.77- 48.9- 40.6---
2026-11-12 09:20 am E 16 19----29.77- 48.9- 40.8---
2026-11-12 09:10 am E 16 18----29.78- 48.7- 40.5---
2026-11-12 09:00 am E 16 20----29.78+0.00 48.7- 40.5---
2026-11-12 08:50 am E 16 18----29.78- 48.7- 40.5---
2026-11-12 08:40 am E 16 19----29.78- 48.6- 40.3---
2026-11-12 08:30 am E 16 19----29.78- 48.6- 40.3---
2026-11-12 08:20 am E 16 20----29.78- 48.6- 40.1---
2026-11-12 08:10 am E 16 19----29.78- 48.6- 40.3---
2026-11-12 08:00 am E 17 19----29.78-0.01 48.4- 39.6---
2026-11-12 07:50 am E 16 19----29.78- 48.4- 39.6---
2026-11-12 07:40 am E 15 17----29.79- 48.4- 39.6---
2026-11-12 07:30 am E 14 17----29.79- 48.6- 39.9---
2026-11-12 07:20 am E 15 17----29.79- 48.4- 39.4---
2026-11-12 07:10 am E 15 17----29.79- 48.6- 39.9---
2026-11-12 07:00 am E 16 19----29.79-0.02 48.6- 39.9---
2026-11-12 06:50 am E 16 19----29.79- 48.4- 39.7---
2026-11-12 06:40 am E 16 19----29.78- 48.4- 39.7---
2026-11-12 06:30 am E 17 20----29.78- 48.4- 39.6---
2026-11-12 06:20 am E 19 22----29.77- 48.4- 39.7---
2026-11-12 06:10 am E 17 20----29.77- 48.6- 39.9---
2026-11-12 06:00 am E 18 20----29.77-0.05 48.6- 40.1---
2026-11-12 05:50 am E 16 20----29.77- 48.6- 40.1---
2026-11-12 05:40 am E 17 20----29.78- 48.6- 39.9---
2026-11-12 05:30 am E 16 18----29.78- 48.6- 39.7---
2026-11-12 05:20 am E 15 17----29.79- 48.7- 40.1---
2026-11-12 05:10 am E 15 17----29.79- 48.7- 40.1---
2026-11-12 05:00 am E 14 17----29.79-0.04 48.7- 40.1---
2026-11-12 04:50 am E 14 16----29.79- 48.7- 40.1---
2026-11-12 04:40 am E 14 17----29.80- 48.7- 39.9---
2026-11-12 04:30 am E 15 16----29.80- 48.7- 39.9---
2026-11-12 04:20 am E 13 15----29.81- 49.1- 39.9---
2026-11-12 04:10 am E 13 15----29.80- 48.9- 39.0---
2026-11-12 04:00 am E 12 14----29.81-0.03 49.1- 39.2---
2026-11-12 03:50 am E 12 15----29.81- 49.1- 39.4---
2026-11-12 03:40 am E 12 14----29.81- 49.1- 39.0---
2026-11-12 03:30 am E 13 15----29.82- 48.9- 38.8---
2026-11-12 03:20 am E 12 14----29.82- 49.1- 39.2---
2026-11-12 03:10 am E 12 15----29.82- 49.1- 39.2---
2026-11-12 03:00 am E 12 14----29.82-0.02 49.1- 38.5---
2026-11-12 02:50 am E 11 13----29.83- 49.1- 38.5---
2026-11-12 02:40 am E 11 13----29.83- 49.1- 38.3---
2026-11-12 02:30 am E 11 12----29.83- 49.1- 37.9---
2026-11-12 02:20 am E 11 12----29.83- 49.3- 38.3---
2026-11-12 02:10 am E 11 12----29.83- 49.1- 38.3---
2026-11-12 02:00 am E 11 13----29.83-0.01 49.1- 38.5---
2026-11-12 01:50 am E 10 12----29.83- 49.3- 38.1---
2026-11-12 01:40 am E 10 11----29.83- 49.3- 37.8---
2026-11-12 01:30 am E 10 12----29.83- 49.3- 38.5---
2026-11-12 01:20 am E 11 12----29.83- 49.1- 38.1---
2026-11-12 01:10 am E 11 12----29.84- 49.1- 37.6---
2026-11-12 01:00 am E 11 12----29.84-0.02 49.1- 38.1---
2026-11-12 12:50 amENE 11 12----29.84- 49.3- 38.5---
2026-11-12 12:40 amENE 7 12----29.84- 49.8- 38.5---
2026-11-12 12:30 amNNE 4 4----29.84- 50.2- 36.5---
2026-11-12 12:20 amNNE 4 5----29.85- 50.0- 36.5---
2026-11-12 12:10 am NE 4 4----29.85- 50.2- 36.1---
2026-11-12 12:00 am E 2 3----29.85-0.02 50.5- 34.2---
2026-11-11 11:50 pm E 1 2----29.85- 50.4- 33.6---