Station CSIM3 - Castle Island (NOS) 8444069 Image indicating link to RSS feed of recent meteorological observations for station CSIM3


Conditions at CSIM3 as of
(8:54 am EDT)
1254 GMT on 04/06/2026:
     

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):WNW ( 290 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 9.9 kts
5-day plot - Wind Gust Wind Gust (GST): 18.1 kts
5-day plot - Air Temperature Air Temperature (ATMP): 42.4 °F
5-day plot - Dew Point Dew Point (DEWP): 25.7 °F
5-day plot - Wind Chill Wind Chill (CHILL): 36.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 9.7 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 11.7 kts
5-day plot -  Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
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
2026-04-06 08:48 amWNW 12.0 19.0------ 41.9- 24.8---
2026-04-06 08:42 am W 11.1 17.1------ 41.9- 25.0---
2026-04-06 08:36 amWNW 8.0 21.0------ 42.1- 25.7---
2026-04-06 08:30 am W 13.0 21.0------ 41.7- 25.0---
2026-04-06 08:24 am W 8.0 21.0------ 41.7- 25.2---
2026-04-06 08:18 am W 11.1 22.0------------
2026-04-06 08:12 amWNW 11.1 19.0------------
2026-04-06 08:06 am W 9.9 19.0------------
2026-04-06 08:00 am W 11.1 17.1------ 41.0- 25.0---
2026-04-06 07:54 am W 11.1 20.0------ 40.8- 25.0---
2026-04-06 07:48 am W 13.0 22.0------------
2026-04-06 07:42 am W 9.9 17.1------------
2026-04-06 07:36 amWNW 11.1 17.1------------
2026-04-06 07:30 am W 11.1 15.9------ 40.5- 24.8---
2026-04-06 07:24 am W 7.0 12.0------ 40.6- 25.0---
2026-04-06 07:18 am W 8.9 14.0------ 40.5- 24.8---
2026-04-06 07:12 am W 9.9 15.9------ 40.5- 24.8---
2026-04-06 07:06 am W 8.9 15.0------ 40.6- 25.0---
2026-04-06 07:00 am W 8.9 15.0------ 40.5- 24.6---
2026-04-06 06:54 am W 11.1 15.0------ 40.6- 24.8---
2026-04-06 06:48 am W 9.9 13.0------------
2026-04-06 06:42 am W 8.0 14.0------------
2026-04-06 06:36 am W 11.1 18.1------------
2026-04-06 06:30 am W 9.9 15.9------ 40.8- 25.0---
2026-04-06 06:24 am W 9.9 20.0------ 41.0- 24.8---
2026-04-06 06:18 am W 9.9 15.0------------
2026-04-06 06:12 am W 13.0 21.0------------
2026-04-06 06:06 am W 8.9 21.0------------
2026-04-06 06:00 am W 13.0 21.0------ 41.4- 24.3---
2026-04-06 05:54 am W 12.0 22.0------ 41.5- 24.4---
2026-04-06 05:48 amWNW 13.0 20.0------ 41.5- 24.3---
2026-04-06 05:42 am W 12.0 22.0------ 41.7- 24.4---
2026-04-06 05:36 am W 11.1 19.0------ 41.9- 24.8---
2026-04-06 05:30 am W 12.0 21.0------ 42.3- 25.0---
2026-04-06 05:24 am W 13.0 20.0------ 42.3- 25.0---
2026-04-06 05:18 am W 14.0 19.0------------
2026-04-06 05:12 am W 11.1 22.0------------
2026-04-06 05:06 am W 12.0 22.9------------
2026-04-06 05:00 am W 12.0 18.1------ 43.0- 26.4---
2026-04-06 04:54 amWNW 14.0 22.9------ 43.2- 26.6---
2026-04-06 04:48 am W 11.1 20.0------------
2026-04-06 04:42 am W 9.9 21.0------------
2026-04-06 04:36 am W 14.0 19.0------------
2026-04-06 04:30 am W 13.0 18.1------ 43.9- 28.4---
2026-04-06 04:24 amWNW 13.0 20.0------ 44.1- 28.9---
2026-04-06 04:18 am W 9.9 19.0------------
2026-04-06 04:12 amWNW 11.1 17.1------------
2026-04-06 04:06 am W 12.0 22.0------------
2026-04-06 04:00 am W 12.0 22.0------ 44.8- 30.0---
2026-04-06 03:54 am W 8.9 17.1------ 44.8- 30.6---
2026-04-06 03:48 am W 8.0 15.9------------
2026-04-06 03:42 am W 9.9 15.0------------
2026-04-06 03:36 amWNW 12.0 17.1------------
2026-04-06 03:30 am W 8.0 12.0------ 45.0- 30.9---
2026-04-06 03:24 am W 8.0 14.0------ 45.0- 31.1---
2026-04-06 03:18 am W 8.9 12.0------ 45.1- 30.9---
2026-04-06 03:12 am W 7.0 15.0------ 45.1- 30.9---
2026-04-06 03:06 am W 8.0 11.1------ 45.1- 30.7---
2026-04-06 03:00 am W 8.0 12.0------ 45.3- 30.7---
2026-04-06 02:54 am W 8.0 13.0------ 45.3- 30.6---
2026-04-06 02:48 am W 9.9 15.0------ 45.5- 30.4---
2026-04-06 02:42 am W 9.9 12.0------ 45.5- 30.4---
2026-04-06 02:36 am W 7.0 13.0------ 45.7- 30.4---
2026-04-06 02:30 am W 8.9 12.0------ 45.9- 30.2---
2026-04-06 02:24 am W 7.0 11.1------ 45.7- 30.2---
2026-04-06 02:18 am W 8.0 14.0------------
2026-04-06 02:12 am W 7.0 14.0------------
2026-04-06 02:06 amWNW 6.0 12.0------------
2026-04-06 02:00 am W 7.0 13.0------ 45.9- 30.7---
2026-04-06 01:54 am W 7.0 15.9------ 45.9- 30.6---
2026-04-06 01:48 amWNW 6.0 12.0------------
2026-04-06 01:42 amWNW 11.1 15.9------------
2026-04-06 01:36 am W 7.0 14.0------------
2026-04-06 01:30 amWNW 8.9 14.0------ 46.2- 30.9---
2026-04-06 01:24 amWNW 8.0 13.0------ 46.2- 31.1---
2026-04-06 01:18 am W 6.0 11.1------------
2026-04-06 01:12 amWNW 7.0 12.0------------
2026-04-06 01:06 amWNW 8.0 13.0------------
2026-04-06 01:00 amWNW 8.9 19.0------ 46.8- 31.1---
2026-04-06 12:54 amWNW 12.0 17.1------ 46.8- 31.5---
2026-04-06 12:48 amWNW 11.1 21.0------------
2026-04-06 12:42 amWNW 14.0 25.1------------
2026-04-06 12:36 amWNW 11.1 18.1------------
2026-04-06 12:30 amWNW 12.0 22.9------ 47.1- 32.2---
2026-04-06 12:24 amWNW 13.0 22.9------ 47.1- 32.7---
2026-04-06 12:18 amWNW 13.0 19.0------------
2026-04-06 12:12 amWNW 7.0 17.1------------
2026-04-06 12:06 am NW 11.1 18.1------------
2026-04-06 12:00 amWNW 9.9 15.0------ 47.3- 33.1---
2026-04-05 11:54 pmWNW 12.0 18.1------ 47.5- 32.9---
2026-04-05 11:48 pmWNW 12.0 19.0------------
2026-04-05 11:42 pmWNW 11.1 15.9------------
2026-04-05 11:36 pm NW 13.0 22.9------------
2026-04-05 11:30 pmWNW 8.9 18.1------ 47.5- 34.5---
2026-04-05 11:24 pmWNW 5.1 18.1------ 47.7- 34.7---
2026-04-05 11:18 pmWNW 8.9 18.1------------
2026-04-05 11:12 pmWNW 12.0 18.1------------
2026-04-05 11:06 pmWNW 12.0 17.1------------
2026-04-05 11:00 pmWNW 15.0 20.0------ 47.7- 34.7---
2026-04-05 10:54 pm W 7.0 18.1------ 47.7- 35.4---
2026-04-05 10:48 pm NW 15.0 19.0------ 47.7- 35.6---
2026-04-05 10:42 pmWNW 15.9 21.0------ 47.8- 35.6---
2026-04-05 10:36 pmWNW 12.0 21.0------ 48.0- 35.8---
2026-04-05 10:30 pm NW 14.0 18.1------ 48.0- 36.9---
2026-04-05 10:24 pmWNW 12.0 17.1------ 48.2- 37.0---
2026-04-05 10:18 pmWNW 9.9 15.0------------
2026-04-05 10:12 pmWNW 8.9 14.0------------
2026-04-05 10:06 pm W 11.1 18.1------------
2026-04-05 10:00 pm W 12.0 22.9------ 49.1- 37.4---
2026-04-05 09:54 pm W 13.0 19.0------ 49.3- 37.2---
2026-04-05 09:48 pm W 7.0 25.1------------
2026-04-05 09:42 pmWNW 9.9 22.0------------
2026-04-05 09:36 pm W 11.1 17.1------------
2026-04-05 09:30 pmWNW 12.0 19.0------ 50.2- 41.2---
2026-04-05 09:24 pm W 9.9 19.0------ 50.4- 42.3---
2026-04-05 09:18 pm W 9.9 18.1------------
2026-04-05 09:12 pm W 9.9 15.9------------
2026-04-05 09:06 pm W 8.0 15.9------------
2026-04-05 09:00 pm W 12.0 22.9------ 50.9- 43.7---
2026-04-05 08:54 pm W 8.9 17.1------ 51.1- 44.2---
2026-04-05 08:48 pm W 9.9 17.1------------
2026-04-05 08:42 pmWNW 12.0 19.0------------
2026-04-05 08:36 pmWNW 9.9 17.1------------
2026-04-05 08:30 pm W 9.9 17.1------ 51.8- 45.0---
2026-04-05 08:24 pm W 9.9 19.0------ 52.0- 45.5---
2026-04-05 08:18 pm W 11.1 17.1------------
2026-04-05 08:12 pm W 8.9 12.0------------
2026-04-05 08:06 pmWNW 11.1 15.9------------
2026-04-05 08:00 pmWNW 9.9 14.0------ 52.5- 46.4---
2026-04-05 07:54 pmWNW 11.1 15.9------ 52.3- 46.0---
2026-04-05 07:48 pm NW 14.0 19.0------------
2026-04-05 07:42 pm NW 13.0 19.0------------
2026-04-05 07:36 pmWNW 12.0 20.0------------
2026-04-05 07:30 pmWNW 11.1 17.1------ 53.2- 47.5---
2026-04-05 07:24 pm NW 14.0 26.0------ 54.0- 48.6---
2026-04-05 07:18 pm W 6.0 12.0------------
2026-04-05 07:12 pm W 8.0 12.0------------
2026-04-05 07:06 pm W 8.0 15.0------------
2026-04-05 07:00 pm W 7.0 13.0------ 56.5- 51.4---
2026-04-05 06:54 pm W 9.9 15.0------ 56.5- 51.6---
2026-04-05 06:48 pm W 8.9 13.0------------
2026-04-05 06:42 pm W 9.9 15.0------------
2026-04-05 06:36 pmWSW 5.1 12.0------------
2026-04-05 06:30 pm W 8.0 14.0------ 56.1- 52.2---
2026-04-05 06:24 pmWSW 7.0 9.9------ 55.8- 53.1---
2026-04-05 06:18 pm W 6.0 8.9------------
2026-04-05 06:12 pmWSW 4.1 8.9------------
2026-04-05 06:06 pmWSW 5.1 8.0------------
2026-04-05 06:00 pm--------- 53.6-----
2026-04-05 05:54 pm--------- 52.7-----
2026-04-05 05:48 pm SW 1.9 2.9------ 52.5- 51.8---
2026-04-05 05:42 pm S 1.0 1.9------ 51.8- 51.1---
2026-04-05 05:36 pm S 1.0 1.9------ 50.9- 50.2---
2026-04-05 05:30 pm- 0.0 2.9------ 50.0- 49.3---
2026-04-05 05:24 pmESE 2.9 5.1------ 47.7- 46.8---
2026-04-05 05:18 pm SE 4.1 4.1------ 48.6- 47.8---
2026-04-05 05:12 pmSSE 4.1 5.1------ 49.5- 48.7---
2026-04-05 05:06 pmSSE 1.9 2.9------ 48.4- 47.7---
2026-04-05 05:00 pm- 0.0 1.9------ 48.0- 47.3---
2026-04-05 04:54 pm NW 1.9 1.9------ 47.7- 46.9---
2026-04-05 04:48 pm SW 1.0 2.9------------
2026-04-05 04:42 pm S 1.0 2.9------------
2026-04-05 04:36 pm S 2.9 4.1------------
2026-04-05 04:30 pm- 0.0 1.9------ 47.3- 46.6---
2026-04-05 04:24 pmSSE 1.0 1.9------ 47.3- 46.6---
2026-04-05 04:18 pm S 1.9 2.9------------
2026-04-05 04:12 pmSSW 1.0 1.9------------
2026-04-05 04:06 pmSSE 1.0 1.9------------
2026-04-05 04:00 pm SE 2.9 4.1------ 46.2- 45.5---
2026-04-05 03:54 pm SE 4.1 5.1------ 46.0- 45.3---
2026-04-05 03:48 pm SE 5.1 7.0------------
2026-04-05 03:42 pmSSE 7.0 9.9------------
2026-04-05 03:36 pmSSE 8.0 12.0------------
2026-04-05 03:30 pmSSE 7.0 9.9------ 45.1- 44.2---
2026-04-05 03:24 pm S 6.0 8.0------ 45.7- 44.8---
2026-04-05 03:18 pmSSE 6.0 7.0------------
2026-04-05 03:12 pm S 1.9 4.1------------
2026-04-05 03:06 pmSSE 4.1 5.1------------
2026-04-05 03:00 pm SE 4.1 5.1------ 45.9- 44.6---
2026-04-05 02:54 pm SE 1.9 4.1------ 47.3- 46.2---
2026-04-05 02:48 pmESE 5.1 5.1------------
2026-04-05 02:42 pmESE 4.1 5.1------------
2026-04-05 02:36 pm SE 4.1 5.1------------
2026-04-05 02:30 pm SE 2.9 4.1------ 48.0- 46.9---
2026-04-05 02:24 pm- 0.0 2.9------ 48.0- 46.9---
2026-04-05 02:18 pm NW 1.9 2.9------------
2026-04-05 02:12 pm NW 2.9 4.1------------
2026-04-05 02:06 pm NW 1.9 5.1------------
2026-04-05 02:00 pm NW 4.1 5.1------ 47.3- 46.2---
2026-04-05 01:54 pm NW 4.1 5.1------ 47.5- 46.2---
2026-04-05 01:48 pmWNW 1.9 2.9------------
2026-04-05 01:42 pm NW 1.9 2.9------------
2026-04-05 01:36 pmWNW 1.9 4.1------------
2026-04-05 01:30 pm W 1.9 2.9------ 47.7- 46.6---
2026-04-05 01:24 pm NW 1.9 4.1------ 46.9- 45.9---
2026-04-05 01:18 pm NW 4.1 5.1------ 46.6- 45.5---
2026-04-05 01:12 pm NW 4.1 5.1------ 46.4- 45.5---
2026-04-05 01:06 pm NW 4.1 6.0------ 46.2- 45.3---
2026-04-05 01:00 pm NW 5.1 6.0------ 46.2- 45.3---
2026-04-05 12:54 pm NW 5.1 5.1------ 46.0- 45.1---
2026-04-05 12:48 pm NW 4.1 5.1------------
2026-04-05 12:42 pmNNW 4.1 4.1------------
2026-04-05 12:36 pm NW 2.9 4.1------------
2026-04-05 12:30 pm NW 2.9 4.1------ 45.7- 44.8---
2026-04-05 12:24 pmWNW 2.9 4.1------ 45.7- 44.8---
2026-04-05 12:18 pm NW 4.1 5.1------------
2026-04-05 12:12 pm NW 4.1 5.1------------
2026-04-05 12:06 pmWNW 2.9 6.0------------
2026-04-05 12:00 pmNNW 6.0 6.0------ 45.1- 44.4---
2026-04-05 11:54 am NW 5.1 7.0------ 45.1- 44.4---
2026-04-05 11:48 amNNW 6.0 8.9------------
2026-04-05 11:42 amNNW 6.0 9.9------------
2026-04-05 11:36 amNNW 8.9 9.9------------
2026-04-05 11:30 am NW 8.0 9.9------ 45.5- 44.8---
2026-04-05 11:24 am NW 7.0 8.0------ 45.7- 45.0---
2026-04-05 11:18 am NW 4.1 6.0------------
2026-04-05 11:12 am N 1.9 2.9------------
2026-04-05 11:06 am- 0.0 1.0------------
2026-04-05 11:00 amSSE 1.0 1.9------ 44.6- 43.9---
2026-04-05 10:54 am- 0.0 1.0------ 45.0- 44.2---
2026-04-05 10:48 am- 0.0 1.0------------
2026-04-05 10:42 amNNW 1.0 1.9------------
2026-04-05 10:36 am- 0.0 1.0------------
2026-04-05 10:30 amNNW 1.0 1.9------ 43.9- 43.2---
2026-04-05 10:24 am W 1.9 2.9------ 43.7- 43.0---
2026-04-05 10:18 am W 1.9 1.9------------
2026-04-05 10:12 amWSW 1.0 1.9------------
2026-04-05 10:06 am- 0.0 2.9------------
2026-04-05 10:00 am S 1.9 4.1------ 42.8- 42.1---
2026-04-05 09:54 am S 1.9 5.1------ 42.6- 41.9---
2026-04-05 09:48 amSSW 1.9 4.1------------
2026-04-05 09:42 am S 1.9 4.1------------
2026-04-05 09:36 amSSE 2.9 4.1------------
2026-04-05 09:30 am- 0.0 1.0------ 41.9- 41.0---
2026-04-05 09:24 am E 1.0 1.0------ 41.7- 40.8---
2026-04-05 09:18 am- 0.0 1.9------ 41.5- 40.6---
2026-04-05 09:12 amNNW 1.9 2.9------ 41.4- 40.5---
2026-04-05 09:06 am NW 1.9 2.9------ 41.4- 40.5---
2026-04-05 09:00 amNNW 1.0 1.9------ 41.4- 40.5---
2026-04-05 08:54 am- 0.0 1.9------ 41.4- 40.5---