Station SISW1 - Smith Island, WA

Owned and maintained by National Data Buoy Center
C-MAN Station
SMART Module
48.321 N 122.831 W (48°19'14" N 122°49'51" W)

Site elevation: 15.2 m above mean sea level
Air temp height: 2 m above site elevation
Anemometer height: 2 m above site elevation
Barometer elevation: 17.2 m above mean sea level

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Sector pictures are available for this station at 0, 45, 90, 135, 180, 225, 270, 315 degrees.

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Disclaimer

Conditions at SISW1 as of
(9:50 am PDT)
1650 GMT on 04/18/2019:
Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
	Wind Direction (WDIR):	SE ( 130 deg true )
	Wind Speed (WSPD):	17 kts
	Wind Gust (GST):	21 kts
	Atmospheric Pressure (PRES):	30.20 in
	Pressure Tendency (PTDY):	-0.03 in ( Falling )
	Air Temperature (ATMP):	52.2 °F
	Dew Point (DEWP):	45.3 °F
	Wind Chill (CHILL):	46.4 °F
	Wind Speed at 10 meters (WSPD10M):	16 kts
	Wind Speed at 20 meters (WSPD20M):	17 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Previous observations

MM	DD	TIME (PDT)	WDIR	WSPD kts	GST kts	WVHT ft	DPD sec	APD sec	MWD	PRES in	PTDY in	ATMP °F	WTMP °F	DEWP °F	SAL psu	VIS nmi	TIDE ft
04	18	8:50 am	ESE	18	21	-	-	-	-	30.20	-0.02	51.4	-	45.9	-	-	-
04	18	7:50 am	ESE	10	13	-	-	-	-	30.21	-0.03	50.2	-	47.5	-	-	-
04	18	6:50 am	S	10	13	-	-	-	-	30.22	-0.02	49.1	-	46.4	-	-	-
04	18	5:50 am	SE	10	11	-	-	-	-	30.23	-0.02	51.3	-	46.8	-	-	-
04	18	4:50 am	SSE	1	4	-	-	-	-	30.24	-0.03	52.0	-	46.8	-	-	-
04	18	3:50 am	NE	4	5	-	-	-	-	30.24	-0.04	51.1	-	46.6	-	-	-
04	18	2:50 am	E	6	7	-	-	-	-	30.25	-0.03	52.0	-	46.4	-	-	-
04	18	1:50 am	SE	8	8	-	-	-	-	30.27	-0.01	51.6	-	46.6	-	-	-
04	18	12:50 am	S	11	13	-	-	-	-	30.28	+0.00	51.1	-	46.2	-	-	-
04	17	11:50 pm	SSE	13	14	-	-	-	-	30.28	+0.01	49.6	-	46.4	-	-	-
04	17	10:50 pm	SSE	7	9	-	-	-	-	30.29	+0.02	49.8	-	46.4	-	-	-
04	17	9:50 pm	SSE	10	11	-	-	-	-	30.28	+0.01	51.3	-	46.4	-	-	-
04	17	8:50 pm	SE	9	11	-	-	-	-	30.26	-0.01	58.1	-	45.0	-	-	-
04	17	7:50 pm	ESE	7	8	-	-	-	-	30.27	-0.01	56.1	-	46.0	-	-	-
04	17	6:50 pm	ESE	8	9	-	-	-	-	30.27	-0.01	57.2	-	46.6	-	-	-
04	17	5:50 pm	SE	11	12	-	-	-	-	30.27	-0.02	57.9	-	46.8	-	-	-
04	17	4:50 pm	SSE	13	14	-	-	-	-	30.27	+0.00	57.2	-	46.4	-	-	-
04	17	3:50 pm	SSE	9	14	-	-	-	-	30.28	+0.00	53.6	-	46.2	-	-	-
04	17	2:50 pm	SE	11	13	-	-	-	-	30.29	+0.00	54.5	-	45.5	-	-	-
04	17	1:50 pm	ESE	15	17	-	-	-	-	30.28	+0.00	53.6	-	45.1	-	-	-
04	17	12:50 pm	SE	12	14	-	-	-	-	30.29	+0.04	52.7	-	45.3	-	-	-
04	17	11:50 am	SE	15	18	-	-	-	-	30.28	+0.04	52.3	-	44.2	-	-	-
04	17	10:50 am	SE	12	14	-	-	-	-	30.27	+0.06	51.3	-	43.9	-	-	-
04	17	9:50 am	SSE	14	16	-	-	-	-	30.25	+0.05	49.8	-	42.8	-	-	-

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.

The weekly status report and the weekly maintenance report also provide valuable station information.

Note that the payload types and the station locations occasionally change.
Please refer to the NDBC data inventory for the data history of each station.