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
Sutron XPERT payload
42.967 N 70.623 W (42°58'2" N 70°37'24" W)

Site elevation: 13.1 m above mean sea level
Air temp height: 11.9 m above site elevation
Anemometer height: 19.2 m above site elevation
Barometer elevation: 18.9 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

Regional HF Radar Surface Current Observations

View sector pictures for this station

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)
Station IOSN3

Conditions at IOSN3 as of
(3:00 pm EDT)
1900 GMT on 05/22/2025:
     

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):ENE ( 60 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 29 kts
5-day plot - Wind Gust Wind Gust (GST): 32 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.91 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.08 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 44.8 °F
5-day plot - Dew Point Dew Point (DEWP): 40.8 °F
5-day plot - Wind Chill Wind Chill (CHILL): 34.5 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 27 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 29 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Continuous Winds
TIME
(EDT)		 5-day plot - Wind Direction WDIR 5-day plot - Wind Speed WSPD
3:00 pmNE ( 56 deg ) 29 kts
2:50 pmNE ( 56 deg ) 29 kts
2:40 pmENE ( 59 deg ) 28 kts
2:30 pmENE ( 60 deg ) 26 kts
2:20 pmENE ( 60 deg ) 27 kts
2:10 pmENE ( 60 deg ) 27 kts
      
Peak gust during the measurement hour
TIME
(EDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
2:46 pmNE ( 50 deg ) 34 kts
Previous observations
TIME
(EDT)		 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
2025-05-22 02:00 pmENE 28 30----29.94-0.04 45.5- 37.9---
2025-05-22 01:00 pmENE 28 30----29.94-0.07 46.0- 38.1---
2025-05-22 12:00 pm E 27 29----29.99-0.01 46.2- 37.6---
2025-05-22 11:00 am E 28 30----29.98-0.01 46.6- 36.9---
2025-05-22 10:00 am E 23 27----30.01+0.02 46.6- 38.3---
2025-05-22 09:00 am E 24 27----30.00+0.01 46.9- 37.9---
2025-05-22 08:00 am E 22 24----30.00+0.00 47.3- 37.8---
2025-05-22 07:00 amENE 21 24----29.99-0.03 46.9- 39.0---
2025-05-22 06:00 amENE 20 21----29.99-0.03 46.8- 38.8---
2025-05-22 05:00 amENE 19 20----30.01-0.04 46.4- 41.9---
2025-05-22 04:00 amENE 18 20----30.02-0.04 46.9- 40.5---
2025-05-22 03:00 amENE 17 18----30.02-0.05 46.9- 40.6---
2025-05-22 02:00 amENE 12 13----30.04-0.04 47.1- 40.1---
2025-05-22 01:00 am E 13 14----30.06-0.02 46.9- 40.1---
2025-05-22 12:00 amESE 15 17----30.07+0.00 47.1- 39.7---
2025-05-21 11:00 pmESE 15 16----30.08+0.03 47.1- 39.6---
2025-05-21 10:00 pmESE 17 19----30.08+0.01 47.1- 38.8---
2025-05-21 09:00 pmESE 18 19----30.06+0.00 46.9- 39.4---
2025-05-21 08:00 pm E 18 19----30.06-0.02 46.8- 39.4---
2025-05-21 07:00 pm E 16 18----30.06-0.03 46.8- 39.6---
2025-05-21 06:00 pm E 18 19----30.06+0.00 46.6- 39.7---
2025-05-21 05:00 pm E 16 17----30.07+0.00 46.9- 38.3---
2025-05-21 04:00 pm E 16 17----30.09+0.01 46.4- 38.7---
2025-05-21 03:00 pm E 18 19----30.06-0.02 45.0- 41.2---