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
(1:22 pm AKDT)
2122 GMT on 03/26/2025:
     

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): W ( 270 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4.1 kts
5-day plot - Wind Gust Wind Gust (GST): 8.0 kts
5-day plot - Air Temperature Air Temperature (ATMP): 40.3 °F
5-day plot - Dew Point Dew Point (DEWP): 37.0 °F
5-day plot - Wind Chill Wind Chill (CHILL): 37.0 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 3.9 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 3.9 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
2025-03-26 12:22 pmWSW 2.9 6.0------ 39.0- 36.7---
2025-03-26 11:22 am W 1.9 8.0------ 38.8- 36.7---
2025-03-26 10:22 am NW 7.0 9.9------ 38.7- 36.7---
2025-03-26 09:22 amNNW 7.0 11.1------ 38.1- 36.5---
2025-03-26 08:22 amNNW 8.0 9.9------ 37.6- 35.8---
2025-03-26 07:22 am NW 7.0 9.9------ 37.9- 36.0---
2025-03-26 06:22 am N 4.1 5.1------ 38.5- 36.3---
2025-03-26 05:22 am W 1.9 6.0------ 38.1- 35.6---
2025-03-26 04:22 am- 0.0 4.1------ 38.5- 36.3---
2025-03-26 03:22 am SE 1.9 4.1------ 38.7- 36.7---
2025-03-26 02:22 amSSE 2.9 5.1------ 38.5- 36.5---
2025-03-26 01:22 amSSE 1.9 8.9------ 38.8- 36.7---
2025-03-26 12:22 am E 6.0 9.9------ 39.6- 37.4---
2025-03-25 11:22 pm E 6.0 11.1------ 39.6- 37.6---
2025-03-25 10:22 pm E 8.9 11.1------ 39.7- 37.9---
2025-03-25 09:22 pmESE 6.0 8.0------ 39.9- 37.9---
2025-03-25 08:22 pmESE 6.0 8.0------ 40.1- 38.5---
2025-03-25 07:22 pmESE 6.0 7.0------ 40.3- 38.5---
2025-03-25 06:22 pmESE 6.0 8.9------ 40.6- 38.5---
2025-03-25 05:22 pm E 7.0 8.0------ 40.3- 38.1---
2025-03-25 04:22 pm E 2.9 5.1------ 40.6- 37.9---
2025-03-25 03:22 pm- 0.0 7.0------ 41.0- 37.6---
2025-03-25 02:22 pm SE 1.9 6.0------ 41.9- 37.9---