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 SDIA2 - South Douglas, AK Image indicating link to RSS feed of recent meteorological observations for station SDIA2


Conditions at SDIA2 as of
(4:46 pm AKDT on 04/28/2025)
0046 GMT on 04/29/2025:
     

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): SE ( 140 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 9.9 kts
5-day plot - Wind Gust Wind Gust (GST): 9.9 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.71 in
5-day plot - Air Temperature Air Temperature (ATMP): 45.0 °F
5-day plot - Dew Point Dew Point (DEWP): 44.1 °F
5-day plot - Wind Chill Wind Chill (CHILL): 39.2 °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): 13.6 kts
5-day plot -  Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Supplemental Measurements
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
2025-04-28 04:26 pmSSE 8.0 8.0----29.71- 45.0- 43.0---
2025-04-28 04:06 pmSSE 5.1 6.0----29.70- 44.1- 43.0---
2025-04-28 03:46 pmSSE 8.0 8.0----29.70- 44.1- 43.0---
2025-04-28 03:26 pmSSE 5.1 6.0----29.69- 44.1- 42.1---
2025-04-28 03:06 pmSSE 5.1 5.1----29.67- 44.1- 42.1---
2025-04-28 02:46 pmSSE 4.1 4.1----29.67- 44.1- 42.1---
2025-04-28 02:26 pmSSE 4.1 6.0----29.66- 44.1- 41.0---
2025-04-28 02:06 pm SE 5.1 7.0----29.65- 43.0- 41.0---
2025-04-28 01:46 pm SE 6.0 8.0----29.65- 43.0- 39.9---
2025-04-28 01:26 pm SE 9.9 9.9----29.64- 43.0- 39.9---
2025-04-28 01:06 pm SE 7.0 8.9----29.63- 43.0- 39.9---
2025-04-28 12:46 pm SE 8.9 9.9----29.62- 43.0- 39.9---
2025-04-28 12:26 pm SE 8.9 8.9----29.62- 43.0- 41.0---
2025-04-28 12:06 pmSSE 9.9 9.9----29.61- 44.1- 41.0---
2025-04-28 11:46 amSSE 8.9 8.9----29.60- 44.1- 41.0---
2025-04-28 11:26 am SE 8.9 9.9----29.59- 44.1- 41.0---
2025-04-28 11:06 amSSE 7.0 7.0----29.58- 44.1- 41.0---
2025-04-28 10:46 amSSE 4.1 6.0----29.58- 44.1- 42.1---
2025-04-28 10:26 am SE 4.1 5.1----29.57- 44.1- 42.1---
2025-04-28 10:06 amESE 4.1 5.1----29.56- 43.0- 42.1---
2025-04-28 09:46 amSSE 4.1 5.1----29.56- 43.0- 42.1---
2025-04-28 09:26 am S 2.9 5.1----29.55- 43.0- 42.1---
2025-04-28 09:06 amSSE 4.1 4.1----29.55- 43.0- 41.0---
2025-04-28 08:46 amSSE 2.9 4.1----29.55- 43.0- 42.1---
2025-04-28 08:26 am SE 4.1 4.1----29.56- 43.0- 42.1---
2025-04-28 08:06 amSSE 4.1 4.1----29.56- 43.0- 41.0---
2025-04-28 07:46 am S 2.9 4.1----29.57- 43.0- 41.0---
2025-04-28 07:26 amSSE 1.9 1.9----29.57- 43.0- 41.0---
2025-04-28 07:06 am- 0.0 0.0----29.57- 43.0- 41.0---
2025-04-28 06:46 am- 0.0 1.0----29.58- 43.0- 41.0---
2025-04-28 06:26 am- 0.0 1.0----29.58- 43.0- 41.0---
2025-04-28 06:06 am- 0.0 1.0----29.59- 43.0- 41.0---
2025-04-28 05:46 am W 1.9 1.9----29.59- 42.1- 41.0---
2025-04-28 05:26 am- 0.0 1.9----29.59- 43.0- 41.0---
2025-04-28 05:06 am- 0.0 1.9----29.60- 42.1- 41.0---
2025-04-28 04:46 amSSE 1.9 2.9----29.61- 42.1- 41.0---
2025-04-28 04:26 am- 0.0 1.9----29.62- 42.1- 41.0---
2025-04-28 04:06 am- 0.0 4.1----29.63- 43.0- 41.0---
2025-04-28 03:46 am S 2.9 2.9----29.64- 43.0- 41.0---
2025-04-28 03:26 am S 1.9 2.9----29.65- 43.0- 41.0---
2025-04-28 03:06 amSSW 1.9 2.9----29.66- 43.0- 41.0---
2025-04-28 02:46 am- 0.0 1.9----29.67- 43.0- 41.0---
2025-04-28 02:26 am SE 2.9 4.1----29.69- 43.0- 41.0---
2025-04-28 02:06 am SE 4.1 4.1----29.70- 43.0- 41.0---
2025-04-28 01:46 amSSE 2.9 2.9----29.71- 43.0- 41.0---
2025-04-28 01:26 am- 0.0 1.9----29.72- 43.0- 41.0---
2025-04-28 01:06 am S 1.9 2.9----29.73- 43.0- 41.0---
2025-04-28 12:46 amSSE 2.9 2.9----29.75- 43.0- 41.0---
2025-04-28 12:26 am S 2.9 4.1----29.75- 43.0- 41.0---
2025-04-28 12:06 amSSE 2.9 4.1----29.77- 43.0- 39.9---
2025-04-27 11:46 pm S 2.9 4.1----29.78- 44.1- 39.9---
2025-04-27 11:26 pm S 2.9 4.1----29.79- 44.1- 41.0---
2025-04-27 11:06 pmSSE 1.9 2.9----29.80- 45.0- 41.0---
2025-04-27 10:46 pm S 1.9 1.9----29.81- 45.0- 41.0---
2025-04-27 10:26 pmESE 4.1 4.1----29.81- 45.0- 41.0---
2025-04-27 10:06 pm E 4.1 5.1----29.82- 46.0- 41.0---
2025-04-27 09:46 pm E 4.1 4.1----29.83- 46.0- 41.0---
2025-04-27 09:26 pmSSW 2.9 4.1----29.83- 46.9- 41.0---
2025-04-27 09:06 pm S 4.1 4.1----29.84- 48.0- 39.9---
2025-04-27 08:46 pm S 2.9 6.0----29.84- 48.9- 39.9---
2025-04-27 08:26 pmSSE 2.9 2.9----29.84- 50.0- 39.9---
2025-04-27 08:06 pm- 0.0 1.9----29.85- 50.0- 41.0---
2025-04-27 07:46 pmSSE 1.9 1.9----29.86- 50.0- 39.9---
2025-04-27 07:26 pmESE 2.9 2.9----29.86- 48.9- 41.0---
2025-04-27 07:06 pmESE 2.9 2.9----29.87- 50.0- 39.9---
2025-04-27 06:46 pm- 0.0 1.9----29.88- 50.0- 39.0---
2025-04-27 06:26 pm E 1.9 1.9----29.89- 51.1- 39.0---
2025-04-27 06:06 pm- 0.0 1.9----29.90- 52.0- 39.0---
2025-04-27 05:46 pmSSW 1.9 1.9----29.90- 53.1- 37.9---
2025-04-27 05:26 pm S 1.9 2.9----29.91- 53.1- 37.9---
2025-04-27 05:06 pm S 4.1 4.1----29.91- 53.1- 37.0---