Castle Island (NOS) 8444069
Station ID: csim3
42.341° N / -71.012° W
Last reported: 05/31/2026 02:54 (UTC-05:00) Eastern Time (New York)
Air Temperature
50
50
°
F
Dew Point
41
41
°
F
Wind Speed
6.0 knots
Wind Direction
310
310°
Wind Gust
8.0 knots
Trends
Note: Times are displayed in your timezone. Charts may have different start and end times if buoy sensors report data at different intervals.
Latitude
42° 20' 28" N (42.341)
Longitude
71° 0' 43" W (-71.012)
Observations data source: NOAA NDBC. Weather icons by Erik Flowers