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


Conditions at CSIM3 as of
(1:54 am EDT)
0554 GMT on 09/22/2026:
     

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): N ( 10 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 11.1 kts
5-day plot - Wind Gust Wind Gust (GST): 13.0 kts
5-day plot - Air Temperature Air Temperature (ATMP): 57.6 °F
5-day plot - Dew Point Dew Point (DEWP): 48.9 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 11.7 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
2026-09-22 01:48 am N 11.1 14.0------------
2026-09-22 01:42 am N 9.9 12.0------------
2026-09-22 01:36 am N 8.9 14.0------------
2026-09-22 01:30 am N 11.1 14.0------ 57.9- 49.3---
2026-09-22 01:24 am N 9.9 13.0------ 57.9- 49.1---
2026-09-22 01:18 am N 11.1 13.0------ 58.3- 49.5---
2026-09-22 01:12 am N 11.1 12.0------ 58.3- 49.5---
2026-09-22 01:06 am N 11.1 13.0------ 58.3- 49.6---
2026-09-22 01:00 am N 9.9 12.0------ 58.5- 50.0---
2026-09-22 12:54 am N 9.9 12.0------ 58.5- 49.8---
2026-09-22 12:48 am N 11.1 14.0------ 58.5- 49.8---
2026-09-22 12:42 am N 12.0 14.0------ 58.6- 49.8---
2026-09-22 12:36 am N 11.1 14.0------ 58.8- 50.0---
2026-09-22 12:30 am N 12.0 14.0------ 59.4- 50.2---
2026-09-22 12:24 am N 12.0 15.0------ 59.5- 49.8---
2026-09-22 12:18 am N 9.9 12.0------ 59.5- 50.7---
2026-09-22 12:12 am N 9.9 12.0------ 59.4- 50.5---
2026-09-22 12:06 am N 9.9 12.0------ 59.4- 50.7---
2026-09-22 12:00 am N 8.9 11.1------ 59.5- 50.9---
2026-09-21 11:54 pmNNW 8.9 11.1------ 59.5- 50.9---
2026-09-21 11:48 pmNNW 8.9 9.9------ 59.5- 50.9---
2026-09-21 11:42 pmNNW 8.9 13.0------ 59.7- 50.9---
2026-09-21 11:36 pmNNW 7.0 8.0------ 59.7- 51.3---
2026-09-21 11:30 pmNNW 7.0 9.9------ 59.4- 50.9---
2026-09-21 11:24 pmNNW 8.9 11.1------ 59.4- 50.9---
2026-09-21 11:18 pmNNW 9.9 11.1------------
2026-09-21 11:12 pm NW 8.9 13.0------------
2026-09-21 11:06 pmNNW 8.0 8.9------------
2026-09-21 11:00 pm N 7.0 8.0------ 60.8- 50.9---
2026-09-21 10:54 pm N 7.0 8.0------ 60.4- 50.7---
2026-09-21 10:48 pm N 6.0 7.0------ 60.4- 51.4---
2026-09-21 10:42 pm N 6.0 7.0------ 60.3- 51.4---
2026-09-21 10:36 pm N 7.0 7.0------ 60.6- 51.4---
2026-09-21 10:30 pm N 6.0 7.0------ 60.6- 51.6---
2026-09-21 10:24 pmNNE 5.1 6.0------ 60.8- 51.8---
2026-09-21 10:18 pmNNE 5.1 6.0------ 60.8- 52.0---
2026-09-21 10:12 pm N 6.0 7.0------ 60.6- 52.0---
2026-09-21 10:06 pm N 6.0 7.0------ 60.4- 52.7---
2026-09-21 10:00 pmNNE 5.1 6.0------ 60.3- 52.5---
2026-09-21 09:54 pmNNE 5.1 6.0------ 60.4- 53.1---
2026-09-21 09:48 pmNNE 4.1 5.1------ 60.4- 53.2---
2026-09-21 09:42 pm N 2.9 4.1------ 60.4- 53.1---
2026-09-21 09:36 pmNNE 4.1 5.1------ 60.4- 52.7---
2026-09-21 09:30 pmNNE 4.1 6.0------ 60.6- 52.9---
2026-09-21 09:24 pm NE 5.1 5.1------ 60.6- 52.9---
2026-09-21 09:18 pmNNE 5.1 6.0------------
2026-09-21 09:12 pmNNE 4.1 6.0------------
2026-09-21 09:06 pm NE 5.1 5.1------------
2026-09-21 09:00 pmNNE 5.1 6.0------ 61.0- 52.2---
2026-09-21 08:54 pm E 1.9 7.0------ 61.2- 52.2---
2026-09-21 08:48 pm NE 7.0 8.9------ 61.2- 52.0---
2026-09-21 08:42 pm NE 7.0 8.0------ 61.2- 52.0---
2026-09-21 08:36 pmENE 7.0 8.0------ 61.2- 52.5---
2026-09-21 08:30 pm NE 6.0 8.0------ 61.2- 52.3---
2026-09-21 08:24 pm NE 6.0 7.0------ 61.0- 52.0---
2026-09-21 08:18 pm NE 7.0 8.0------------
2026-09-21 08:12 pm NE 6.0 7.0------------
2026-09-21 08:06 pmNNE 4.1 8.0------------
2026-09-21 08:00 pm NE 6.0 8.0------ 61.0- 53.1---
2026-09-21 07:54 pmENE 6.0 7.0------ 60.8- 52.3---
2026-09-21 07:48 pmENE 7.0 8.0------ 60.8- 52.2---
2026-09-21 07:42 pmENE 7.0 8.0------ 60.8- 52.5---
2026-09-21 07:36 pmENE 8.0 8.9------ 60.8- 52.7---
2026-09-21 07:30 pm E 8.0 8.0------ 60.6- 52.2---
2026-09-21 07:24 pmENE 7.0 8.0------ 60.6- 52.2---
2026-09-21 07:18 pmENE 8.0 8.9------ 60.6- 52.0---
2026-09-21 07:12 pmENE 6.0 8.0------ 61.0- 52.9---
2026-09-21 07:06 pm E 7.0 8.9------ 60.8- 52.0---
2026-09-21 06:30 pm E 8.0 9.9------ 60.8- 51.4---
2026-09-21 06:24 pm E 8.0 8.9------ 60.6- 51.6---
2026-09-21 06:18 pm E 8.0 9.9------ 60.8- 52.2---
2026-09-21 06:12 pm E 7.0 8.9------ 61.0- 52.5---
2026-09-21 06:06 pm E 8.9 9.9------ 60.8- 51.4---
2026-09-21 05:54 pm E 8.9 11.1------ 60.8- 52.0---
2026-09-21 05:30 pm E 8.9 11.1------ 60.6- 52.0---
2026-09-21 05:24 pm E 9.9 11.1------ 60.6- 52.3---
2026-09-21 05:18 pm E 9.9 12.0------------
2026-09-21 05:12 pm E 9.9 12.0------------
2026-09-21 05:06 pm E 11.1 13.0------------
2026-09-21 05:00 pm E 12.0 15.0------ 60.3- 52.3---
2026-09-21 04:54 pm E 13.0 14.0------ 60.3- 52.3---
2026-09-21 04:48 pm E 12.0 14.0------ 60.1- 52.9---
2026-09-21 04:42 pm E 12.0 14.0------ 60.1- 52.5---
2026-09-21 04:36 pm E 11.1 13.0------ 60.3- 52.7---
2026-09-21 04:30 pm E 11.1 14.0------ 60.3- 52.7---
2026-09-21 04:24 pm E 12.0 13.0------ 60.1- 52.3---
2026-09-21 04:18 pm E 12.0 13.0------------
2026-09-21 04:12 pm E 11.1 13.0------------
2026-09-21 04:06 pm E 12.0 14.0------------
2026-09-21 04:00 pm E 12.0 14.0------ 59.7- 51.8---
2026-09-21 03:54 pm E 12.0 13.0------ 59.9- 52.2---
2026-09-21 03:48 pm E 12.0 14.0------ 59.7- 51.6---
2026-09-21 03:42 pm E 11.1 13.0------ 59.5- 51.1---
2026-09-21 03:36 pm E 12.0 13.0------ 59.9- 51.1---
2026-09-21 03:30 pm E 9.9 12.0------ 59.9- 51.4---
2026-09-21 03:24 pm E 12.0 13.0------ 59.7- 50.9---
2026-09-21 03:18 pm E 11.1 13.0------ 59.7- 50.9---
2026-09-21 03:12 pm E 11.1 13.0------ 59.7- 51.1---
2026-09-21 03:06 pm E 11.1 12.0------ 60.1- 52.0---
2026-09-21 03:00 pm E 12.0 13.0------ 59.9- 51.4---
2026-09-21 02:54 pm E 11.1 13.0------ 60.1- 51.6---
2026-09-21 02:48 pm E 11.1 13.0------ 60.1- 51.8---
2026-09-21 02:42 pm E 12.0 13.0------ 60.1- 50.9---
2026-09-21 02:36 pm E 11.1 14.0------ 59.9- 51.4---
2026-09-21 02:30 pm E 13.0 15.0------ 59.9- 51.4---
2026-09-21 02:24 pm E 12.0 14.0------ 59.9- 51.3---
2026-09-21 02:18 pm E 11.1 13.0------------
2026-09-21 02:12 pm E 12.0 14.0------------
2026-09-21 02:06 pm E 9.9 13.0------------
2026-09-21 02:00 pmENE 12.0 14.0------ 59.7- 51.4---
2026-09-21 01:54 pm E 11.1 13.0------ 59.7- 51.3---
2026-09-21 01:48 pmENE 13.0 14.0------ 59.9- 51.4---
2026-09-21 01:42 pm E 12.0 15.0------ 59.9- 50.5---
2026-09-21 01:36 pmENE 13.0 15.0------ 60.1- 51.1---
2026-09-21 01:30 pmENE 13.0 15.9------ 60.1- 50.2---
2026-09-21 01:24 pmENE 12.0 15.0------ 60.1- 50.7---
2026-09-21 01:18 pmENE 12.0 15.0------------
2026-09-21 01:12 pmENE 12.0 15.0------------
2026-09-21 01:06 pmENE 13.0 15.0------------
2026-09-21 01:00 pmENE 13.0 15.9------ 60.1- 50.4---
2026-09-21 12:54 pmENE 12.0 15.0------ 60.1- 50.2---
2026-09-21 12:48 pmENE 12.0 15.0------ 60.3- 50.7---
2026-09-21 12:42 pmENE 13.0 15.9------ 60.3- 50.7---
2026-09-21 12:36 pmENE 12.0 15.9------ 60.1- 50.5---
2026-09-21 12:30 pmENE 13.0 15.9------ 59.9- 50.0---
2026-09-21 12:24 pmENE 13.0 15.0------ 59.9- 50.5---
2026-09-21 12:18 pmENE 14.0 17.1------------
2026-09-21 12:12 pmENE 14.0 15.9------------
2026-09-21 12:06 pmENE 13.0 17.1------------
2026-09-21 12:00 pmENE 15.0 17.1------ 59.5- 50.5---
2026-09-21 11:54 am NE 14.0 18.1------ 59.5- 50.7---
2026-09-21 11:48 am NE 14.0 15.9------------
2026-09-21 11:42 am NE 14.0 15.9------------
2026-09-21 11:36 am NE 15.0 17.1------------
2026-09-21 11:30 am NE 14.0 17.1------ 59.5- 50.7---
2026-09-21 11:24 am NE 12.0 17.1------ 59.4- 50.2---
2026-09-21 11:18 amNNE 13.0 17.1------------
2026-09-21 11:12 amNNE 13.0 15.9------------
2026-09-21 11:06 amNNE 14.0 18.1------------
2026-09-21 11:00 am NE 14.0 17.1------ 59.0- 50.9---
2026-09-21 10:54 am NE 12.0 18.1------ 59.0- 51.4---
2026-09-21 10:48 am NE 13.0 15.9------ 58.5- 51.1---
2026-09-21 10:42 am NE 13.0 15.9------ 58.5- 50.9---
2026-09-21 10:36 am NE 14.0 17.1------ 58.5- 50.7---
2026-09-21 10:30 am NE 13.0 17.1------ 58.3- 50.7---
2026-09-21 10:24 am NE 13.0 15.0------ 58.1- 50.7---
2026-09-21 10:18 am NE 11.1 14.0------ 57.9- 51.1---
2026-09-21 10:12 am NE 11.1 14.0------ 57.7- 51.1---
2026-09-21 10:06 am NE 9.9 14.0------ 57.4- 50.9---
2026-09-21 10:00 am NE 11.1 14.0------ 57.2- 51.1---
2026-09-21 09:54 amNNE 12.0 14.0------ 56.8- 50.7---
2026-09-21 09:48 am NE 13.0 15.9------ 56.7- 50.5---
2026-09-21 09:42 amNNE 14.0 17.1------ 56.7- 50.5---
2026-09-21 09:36 amNNE 14.0 15.9------ 56.5- 50.5---
2026-09-21 09:30 am N 11.1 15.0------ 56.5- 51.3---
2026-09-21 09:24 amNNE 9.9 12.0------ 56.5- 51.4---
2026-09-21 09:18 amNNE 11.1 14.0------ 56.3- 51.4---
2026-09-21 09:12 amNNE 12.0 13.0------ 55.9- 50.9---
2026-09-21 09:06 amNNE 12.0 15.0------ 55.9- 51.3---
2026-09-21 09:00 am N 12.0 14.0------ 55.9- 51.3---
2026-09-21 08:54 amNNE 9.9 12.0------ 55.9- 51.6---
2026-09-21 08:48 am N 8.9 14.0------ 55.8- 51.6---
2026-09-21 08:42 amNNE 11.1 15.0------ 55.6- 51.6---
2026-09-21 08:36 amNNE 13.0 15.0------ 55.4- 51.6---
2026-09-21 08:30 amNNE 11.1 13.0------ 55.6- 52.0---
2026-09-21 08:24 am N 8.9 12.0------ 55.6- 52.2---
2026-09-21 08:18 am N 11.1 12.0------ 55.2- 51.6---
2026-09-21 08:12 am N 11.1 13.0------ 55.2- 51.8---
2026-09-21 08:06 am N 11.1 14.0------ 55.2- 51.8---
2026-09-21 08:00 am N 12.0 15.0------ 55.0- 51.8---
2026-09-21 07:54 am N 12.0 14.0------ 55.2- 52.2---
2026-09-21 07:48 am N 11.1 14.0------ 55.2- 52.2---
2026-09-21 07:42 am N 13.0 17.1------ 54.9- 51.8---
2026-09-21 07:36 am N 13.0 15.9------ 55.0- 52.0---
2026-09-21 07:30 am N 13.0 15.9------ 55.0- 51.8---
2026-09-21 07:24 amNNE 13.0 15.0------ 55.0- 51.8---
2026-09-21 07:18 am N 12.0 15.0------------
2026-09-21 07:12 am N 9.9 14.0------------
2026-09-21 07:06 am N 9.9 13.0------------
2026-09-21 07:00 am N 12.0 14.0------ 55.4- 52.3---
2026-09-21 06:54 am N 11.1 14.0------ 55.4- 52.3---
2026-09-21 06:48 am N 12.0 14.0------ 55.8- 52.9---
2026-09-21 06:42 am N 11.1 13.0------ 55.4- 52.5---
2026-09-21 06:36 am N 12.0 14.0------ 55.6- 52.7---
2026-09-21 06:30 am N 11.1 14.0------ 55.6- 52.9---
2026-09-21 06:24 am N 12.0 14.0------ 55.4- 52.7---
2026-09-21 06:18 am N 12.0 15.0------------
2026-09-21 06:12 am N 9.9 15.0------------
2026-09-21 06:06 am N 9.9 13.0------------
2026-09-21 06:00 am N 11.1 13.0------ 55.8- 53.4---
2026-09-21 05:54 am N 9.9 15.0------ 55.8- 53.4---
2026-09-21 05:48 am N 12.0 14.0------ 55.4- 53.1---
2026-09-21 05:42 am N 11.1 13.0------ 55.8- 53.4---
2026-09-21 05:36 am N 12.0 15.0------ 55.9- 53.6---
2026-09-21 05:30 am N 11.1 15.0------ 55.8- 53.4---
2026-09-21 05:24 am N 12.0 14.0------ 55.6- 53.2---
2026-09-21 05:18 am N 12.0 14.0------ 55.9- 53.6---
2026-09-21 05:12 am N 9.9 13.0------ 56.3- 54.0---
2026-09-21 05:06 am N 11.1 14.0------ 56.1- 53.8---
2026-09-21 05:00 am N 12.0 15.0------ 56.1- 53.8---
2026-09-21 04:54 am N 13.0 15.0------ 56.1- 53.8---
2026-09-21 04:48 am N 13.0 15.0------ 56.1- 53.8---
2026-09-21 04:42 am N 13.0 15.9------ 55.9- 53.8---
2026-09-21 04:36 am N 12.0 14.0------ 56.1- 54.0---
2026-09-21 04:30 am N 11.1 13.0------ 56.5- 54.5---
2026-09-21 04:24 am N 12.0 14.0------ 56.3- 54.3---
2026-09-21 04:18 am N 11.1 15.0------ 56.5- 54.5---
2026-09-21 04:12 am N 12.0 15.0------ 56.7- 54.7---
2026-09-21 04:06 am N 11.1 13.0------ 56.8- 55.0---
2026-09-21 04:00 am N 12.0 14.0------ 56.8- 54.9---
2026-09-21 03:54 am N 9.9 13.0------ 57.4- 55.4---
2026-09-21 03:48 am N 11.1 13.0------ 57.4- 55.4---
2026-09-21 03:42 am N 12.0 17.1------ 57.4- 55.4---
2026-09-21 03:36 am N 13.0 15.0------ 57.4- 55.4---
2026-09-21 03:30 am N 11.1 14.0------ 57.7- 55.8---
2026-09-21 03:24 am N 12.0 14.0------ 57.6- 55.6---
2026-09-21 03:18 am N 9.9 14.0------ 57.7- 55.9---
2026-09-21 03:12 am N 12.0 14.0------ 57.6- 55.8---
2026-09-21 03:06 am N 12.0 13.0------ 57.6- 55.8---
2026-09-21 03:00 am N 11.1 13.0------ 57.9- 56.1---
2026-09-21 02:54 am N 11.1 15.0------ 57.9- 55.9---
2026-09-21 02:48 amNNE 13.0 15.9------ 57.7- 55.8---
2026-09-21 02:42 amNNE 13.0 15.0------ 57.9- 55.9---
2026-09-21 02:36 amNNE 13.0 15.0------ 57.9- 55.9---
2026-09-21 02:30 amNNE 12.0 15.0------ 58.1- 56.3---
2026-09-21 02:24 am N 12.0 15.0------ 58.1- 56.3---
2026-09-21 02:18 am N 12.0 14.0------ 58.1- 56.3---
2026-09-21 02:12 amNNE 11.1 14.0------ 58.3- 56.7---
2026-09-21 02:06 amNNE 11.1 13.0------ 58.5- 56.8---
2026-09-21 02:00 amNNE 11.1 14.0------ 58.5- 56.8---
2026-09-21 01:54 amNNE 11.1 14.0------ 58.8- 57.2---