NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

Station SISA2 - Sisters Island, AK Image indicating link to RSS feed of recent meteorological observations for station SISA2


Conditions at SISA2 as of
(9:22 pm AKDT on 04/09/2025)
0522 GMT on 04/10/2025:
     

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): E ( 100 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 11.1 kts
5-day plot - Wind Gust Wind Gust (GST): 18.1 kts
5-day plot - Air Temperature Air Temperature (ATMP): 40.8 °F
5-day plot - Dew Point Dew Point (DEWP): 36.9 °F
5-day plot - Wind Chill Wind Chill (CHILL): 33.6 °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
(AKDT)
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
2025-04-09 08:22 pm E 15.0 20.0------ 41.2- 36.7---
2025-04-09 07:22 pm E 14.0 20.0------ 41.7- 36.3---
2025-04-09 06:22 pm E 14.0 18.1------ 41.4- 36.1---
2025-04-09 05:22 pm E 13.0 22.0------ 41.4- 36.5---
2025-04-09 04:22 pmESE 15.9 25.1------ 42.4- 36.0---
2025-04-09 03:22 pm E 15.9 20.0------ 42.6- 36.0---
2025-04-09 02:22 pm E 12.0 20.0------ 41.9- 36.0---
2025-04-09 01:22 pm SE 15.9 24.1------ 41.9- 35.2---
2025-04-09 12:22 pm E 7.0 28.0------ 42.1- 35.8---
2025-04-09 11:22 amSSE 8.0 21.0------ 39.6- 34.5---
2025-04-09 10:22 am SE 13.0 20.0------ 41.4- 35.4---
2025-04-09 09:22 amESE 9.9 21.0------ 40.8- 35.8---
2025-04-09 07:22 am SE 11.1 18.1------ 40.1- 35.2---
2025-04-09 06:22 amESE 12.0 18.1------ 40.6- 34.7---
2025-04-09 05:22 amSSE 6.0 14.0------ 39.6- 35.8---
2025-04-09 04:22 am SE 8.0 12.0------ 39.6- 36.0---
2025-04-09 03:22 am SE 6.0 13.0------ 39.9- 36.0---
2025-04-09 02:22 amESE 11.1 13.0------ 40.1- 36.3---
2025-04-09 01:22 amSSW 1.0 11.1------ 39.6- 35.8---
2025-04-09 12:22 am S 1.0 13.0------ 40.8- 36.5---
2025-04-08 11:22 pm NE 2.9 5.1------ 39.9- 35.2---
2025-04-08 10:22 pm S 1.0 8.0------ 40.3- 35.2---