Station 42040 (LLNR 245) - LUKE OFFSHORE TEST PLATFORM - 63 NM South of Dauphin Island, AL

Owned and maintained by National Data Buoy Center
2.4-meter foam hull buoy
SCOOP payload
29.208 N 88.226 W (29°12'30" N 88°13'33" W)

Site elevation: sea level
Air temp height: 4 m above site elevation
Anemometer height: 4 m above site elevation
Barometer elevation: 2.5 m above mean sea level
Sea temp depth: 1 m below water line
Water depth: 183 m
Watch circle radius: 346 yards

Latest NWS Marine Forecast 1 and Latest NWS Marine Forecast 2

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Regional HF Radar Surface Current Observations

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Stations with no data in last 8 hours
(24 hours for tsunami stations)

Disclaimer

Conditions at 42040 as of
(8:40 pm CDT on 03/21/2019)
0140 GMT on 03/22/2019:
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):	W ( 270 deg true )
	Wind Speed (WSPD):	15.5 kts
	Wind Gust (GST):	19.4 kts
	Atmospheric Pressure (PRES):	30.10 in
	Wind Speed at 10 meters (WSPD10M):	17.5 kts
	Wind Speed at 20 meters (WSPD20M):	19.4 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Supplemental Measurements
Highest 1-minute Wind Speed
Time (CDT)		WSPD		WDIR
8:39 pm		17.5 kts		-

Previous observations

MM	DD	TIME (CDT)	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
03	21	8:30 pm	W	15.5	19.4	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	8:20 pm	W	15.5	17.5	-	-	-	-	30.10	-	-	-	-	-	-	-
03	21	8:10 pm	W	15.5	17.5	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	8:00 pm	W	15.5	17.5	-	-	-	-	30.09	+0.01	-	-	-	-	-	-
03	21	7:50 pm	W	15.5	17.5	2.6	4	3.3	NW	30.09	-	-	-	-	-	-	-
03	21	7:40 pm	W	15.5	17.5	2.6	-	3.3	NW	30.09	-	-	-	-	-	-	-
03	21	7:30 pm	W	15.5	17.5	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	7:20 pm	W	15.5	19.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	7:10 pm	W	15.5	19.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	7:00 pm	W	17.5	21.4	-	-	-	-	30.08	-0.01	-	-	-	-	-	-
03	21	6:50 pm	W	17.5	19.4	2.3	4	3.2	NW	30.08	-	-	-	-	-	-	-
03	21	6:40 pm	W	17.5	21.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	6:20 pm	W	15.5	19.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	6:10 pm	W	13.6	17.5	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	6:00 pm	W	13.6	17.5	-	-	-	-	30.08	-0.03	-	-	-	-	-	-
03	21	5:50 pm	W	15.5	17.5	2.3	4	3.3	NW	30.08	-	-	-	-	-	-	-
03	21	5:40 pm	W	15.5	19.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	5:30 pm	W	15.5	17.5	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	5:20 pm	W	15.5	19.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	5:10 pm	W	15.5	19.4	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	5:00 pm	W	15.5	17.5	-	-	-	-	30.08	-0.04	-	-	-	-	-	-
03	21	4:50 pm	W	13.6	17.5	2.3	4	3.4	NNW	30.09	-	-	-	-	-	-	-
03	21	4:40 pm	W	13.6	17.5	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	4:30 pm	WNW	13.6	17.5	-	-	-	-	30.08	-	-	-	-	-	-	-
03	21	4:20 pm	WNW	13.6	17.5	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	4:10 pm	WNW	13.6	15.5	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	4:00 pm	WNW	13.6	15.5	-	-	-	-	30.09	-0.06	-	-	-	-	-	-
03	21	3:50 pm	WNW	13.6	17.5	2.3	4	3.6	NNW	30.09	-	-	-	-	-	-	-
03	21	3:40 pm	WNW	13.6	15.5	-	-	-	-	30.09	-	-	-	-	-	-	-
03	21	3:30 pm	WNW	11.7	15.5	-	-	-	-	30.10	-	-	-	-	-	-	-
03	21	3:20 pm	WNW	11.7	15.5	-	-	-	-	30.10	-	-	-	-	-	-	-
03	21	3:10 pm	WNW	11.7	15.5	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	3:00 pm	WNW	11.7	13.6	-	-	-	-	30.11	-0.06	-	-	-	-	-	-
03	21	2:50 pm	WNW	9.7	13.6	2.6	5	3.8	NNW	30.11	-	-	-	-	-	-	-
03	21	2:40 pm	WNW	9.7	13.6	2.6	-	3.8	NNW	30.11	-	-	-	-	-	-	-
03	21	2:30 pm	WNW	9.7	15.5	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	2:20 pm	NW	9.7	13.6	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	2:10 pm	NW	11.7	13.6	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	2:00 pm	NW	11.7	15.5	-	-	-	-	30.12	-0.06	-	-	-	-	-	-
03	21	1:50 pm	NW	9.7	15.5	3.0	5	3.9	NNW	30.13	-	-	-	-	-	-	-
03	21	1:40 pm	NNW	11.7	15.5	3.0	-	3.9	NNW	30.13	-	-	-	-	-	-	-
03	21	1:30 pm	NNW	11.7	13.6	-	-	-	-	30.13	-	-	-	-	-	-	-
03	21	1:20 pm	NNW	9.7	13.6	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	1:10 pm	NNW	11.7	15.5	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	1:00 pm	NNW	11.7	15.5	-	-	-	-	30.15	-0.03	-	-	-	-	-	-
03	21	12:50 pm	NNW	11.7	15.5	3.6	5	4.1	NNW	30.15	-	-	-	-	-	-	-
03	21	12:40 pm	NNW	11.7	13.6	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	12:30 pm	NNW	11.7	15.5	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	12:20 pm	NNW	11.7	15.5	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	12:10 pm	N	11.7	15.5	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	12:00 pm	NNW	11.7	17.5	-	-	-	-	30.17	+0.00	-	-	-	-	-	-
03	21	11:50 am	NNW	13.6	19.4	3.6	5	4.0	NNW	30.17	-	-	-	-	-	-	-
03	21	11:40 am	NNW	15.5	19.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	11:30 am	N	15.5	19.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	11:20 am	N	15.5	17.5	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	11:10 am	N	13.6	17.5	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	11:00 am	N	13.6	19.4	-	-	-	-	30.18	+0.03	-	-	-	-	-	-
03	21	10:50 am	N	15.5	19.4	4.3	5	4.1	NNW	30.18	-	-	-	-	-	-	-
03	21	10:40 am	N	13.6	17.5	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	10:30 am	N	15.5	19.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	10:20 am	N	15.5	19.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	10:10 am	N	15.5	19.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	10:00 am	N	15.5	21.4	-	-	-	-	30.18	+0.04	-	-	-	-	-	-
03	21	9:50 am	N	15.5	21.4	3.3	4	3.7	NW	30.18	-	-	-	-	-	-	-
03	21	9:40 am	N	17.5	21.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	9:30 am	N	15.5	21.4	-	-	-	-	30.18	-	-	-	-	-	-	-
03	21	9:20 am	N	17.5	23.3	-	-	-	-	30.17	-	-	-	-	-	-	-
03	21	9:10 am	N	15.5	19.4	-	-	-	-	30.17	-	-	-	-	-	-	-
03	21	9:00 am	N	17.5	21.4	-	-	-	-	30.17	+0.05	-	-	-	-	-	-
03	21	8:50 am	N	15.5	21.4	3.0	5	3.7	WNW	30.17	-	-	-	-	-	-	-
03	21	8:40 am	N	15.5	19.4	3.0	-	3.7	WNW	30.17	-	-	-	-	-	-	-
03	21	8:30 am	N	15.5	19.4	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	8:20 am	N	15.5	21.4	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	8:10 am	N	15.5	21.4	-	-	-	-	30.16	-	-	-	-	-	-	-
03	21	8:00 am	N	15.5	21.4	-	-	-	-	30.15	+0.04	-	-	-	-	-	-
03	21	7:50 am	N	15.5	21.4	3.3	4	3.7	WNW	30.15	-	-	-	-	-	-	-
03	21	7:40 am	N	17.5	23.3	-	-	-	-	30.15	-	-	-	-	-	-	-
03	21	7:30 am	N	17.5	21.4	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	7:20 am	N	17.5	21.4	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	7:10 am	N	17.5	23.3	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	7:00 am	NNW	17.5	23.3	-	-	-	-	30.14	+0.03	-	-	-	-	-	-
03	21	6:50 am	NW	17.5	21.4	3.6	4	3.9	WNW	30.13	-	-	-	-	-	-	-
03	21	6:40 am	WNW	17.5	21.4	-	-	-	-	30.13	-	-	-	-	-	-	-
03	21	6:30 am	WNW	17.5	23.3	-	-	-	-	30.13	-	-	-	-	-	-	-
03	21	6:20 am	WNW	17.5	21.4	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	6:10 am	WNW	19.4	23.3	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	6:00 am	WNW	19.4	23.3	-	-	-	-	30.12	+0.00	-	-	-	-	-	-
03	21	5:50 am	WNW	19.4	23.3	3.0	4	3.6	WNW	30.12	-	-	-	-	-	-	-
03	21	5:40 am	WNW	19.4	25.3	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	5:30 am	W	19.4	25.3	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	5:20 am	W	17.5	23.3	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	5:10 am	W	15.5	19.4	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	5:00 am	W	15.5	19.4	-	-	-	-	30.11	+0.00	-	-	-	-	-	-
03	21	4:50 am	W	15.5	19.4	2.3	7	3.7	SSE	30.11	-	-	-	-	-	-	-
03	21	4:40 am	W	13.6	19.4	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	4:30 am	W	13.6	17.5	-	-	-	-	30.10	-	-	-	-	-	-	-
03	21	4:20 am	W	13.6	17.5	-	-	-	-	30.10	-	-	-	-	-	-	-
03	21	4:10 am	W	13.6	15.5	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	4:00 am	W	11.7	15.5	-	-	-	-	30.10	-0.04	-	-	-	-	-	-
03	21	3:50 am	W	11.7	13.6	2.3	6	3.9	ESE	30.11	-	-	-	-	-	-	-
03	21	3:40 am	W	11.7	15.5	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	3:30 am	W	13.6	17.5	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	3:20 am	W	11.7	15.5	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	3:10 am	W	9.7	11.7	-	-	-	-	30.11	-	-	-	-	-	-	-
03	21	3:00 am	W	9.7	11.7	-	-	-	-	30.11	-0.04	-	-	-	-	-	-
03	21	2:50 am	W	9.7	11.7	2.3	7	4.2	ESE	30.12	-	-	-	-	-	-	-
03	21	2:40 am	W	7.8	11.7	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	2:30 am	W	7.8	11.7	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	2:20 am	W	7.8	11.7	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	2:10 am	W	9.7	11.7	-	-	-	-	30.12	-	-	-	-	-	-	-
03	21	2:00 am	WSW	9.7	11.7	-	-	-	-	30.11	-0.04	-	-	-	-	-	-
03	21	1:50 am	W	9.7	11.7	2.3	6	4.0	E	30.13	-	-	-	-	-	-	-
03	21	1:40 am	W	9.7	11.7	-	-	-	-	30.13	-	-	-	-	-	-	-
03	21	1:30 am	W	9.7	13.6	-	-	-	-	30.13	-	-	-	-	-	-	-
03	21	1:20 am	W	9.7	11.7	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	1:10 am	W	11.7	13.6	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	1:00 am	W	11.7	13.6	-	-	-	-	30.14	-0.02	-	-	-	-	-	-
03	21	12:50 am	WNW	11.7	13.6	2.6	7	4.8	SE	30.14	-	-	-	-	-	-	-
03	21	12:40 am	WNW	11.7	13.6	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	12:30 am	WNW	9.7	13.6	-	-	-	-	30.14	-	-	-	-	-	-	-
03	21	12:20 am	W	9.7	13.6	-	-	-	-	30.15	-	-	-	-	-	-	-
03	21	12:10 am	W	7.8	11.7	-	-	-	-	30.15	-	-	-	-	-	-	-
03	21	12:00 am	W	7.8	9.7	-	-	-	-	30.15	+0.00	-	-	-	-	-	-
03	20	11:50 pm	W	5.8	7.8	3.0	6	5.1	ESE	30.15	-	-	-	-	-	-	-
03	20	11:40 pm	W	5.8	9.7	-	-	-	-	30.15	-	-	-	-	-	-	-
03	20	11:30 pm	W	3.9	5.8	-	-	-	-	30.15	-	-	-	-	-	-	-
03	20	11:20 pm	W	3.9	7.8	-	-	-	-	30.15	-	-	-	-	-	-	-
03	20	11:10 pm	W	3.9	7.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	11:00 pm	NW	3.9	5.8	-	-	-	-	30.16	+0.02	-	-	-	-	-	-
03	20	10:50 pm	NNW	3.9	5.8	3.0	7	5.0	ESE	30.16	-	-	-	-	-	-	-
03	20	10:40 pm	NNW	3.9	7.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	10:30 pm	NNW	3.9	7.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	10:20 pm	NNW	3.9	7.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	10:10 pm	N	3.9	7.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	10:00 pm	NNE	3.9	5.8	-	-	-	-	30.16	+0.03	-	-	-	-	-	-
03	20	9:50 pm	NE	3.9	5.8	3.3	7	5.1	ESE	30.16	-	-	-	-	-	-	-
03	20	9:40 pm	NNE	3.9	5.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	9:30 pm	NNE	3.9	7.8	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	9:20 pm	N	5.8	9.7	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	9:10 pm	NNE	5.8	9.7	-	-	-	-	30.16	-	-	-	-	-	-	-
03	20	9:00 pm	NNE	5.8	7.8	-	-	-	-	30.15	+0.02	-	-	-	-	-	-
03	20	8:50 pm	NNE	5.8	7.8	3.6	6	5.0	E	30.15	-	-	-	-	-	-	-
03	20	8:40 pm	NE	5.8	7.8	-	-	-	-	30.15	-	-	-	-	-	-	-
03	20	8:30 pm	NE	3.9	5.8	-	-	-	-	30.14	-	-	-	-	-	-	-
03	20	8:20 pm	NE	3.9	7.8	-	-	-	-	30.14	-	-	-	-	-	-	-
03	20	8:10 pm	NE	5.8	9.7	-	-	-	-	30.14	-	-	-	-	-	-	-
03	20	8:00 pm	ENE	5.8	7.8	-	-	-	-	30.14	+0.00	-	-	-	-	-	-
03	20	7:50 pm	NE	5.8	7.8	3.6	7	5.0	E	30.13	-	-	-	-	-	-	-

Detailed Wave Summary
for 42040 as of
(7:40 pm CDT on 03/21/2019)
0040 GMT on 03/22/2019:
These wave data are displayed in rounded times. 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.
	Significant Wave Height (WVHT):	2.6 ft
	Swell Height (SwH):	0.3 ft
	Swell Period (SwP):	8.3 sec
	Swell Direction (SwD):	SSE
	Wind Wave Height (WWH):	2.3 ft
	Wind Wave Period (WWP):	3.6 sec
	Wind Wave Direction (WWD):	NW
	Average Wave Period (APD):	3.3 sec

Previous observations

MM	DD	TIME (CDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
03	21	6:40 pm	2.3	0.7	9.1	ESE	2.3	3.6	NW	N/A	3.2
03	21	5:40 pm	2.3	0.7	8.3	S	2.3	3.6	NW	N/A	3.3
03	21	4:40 pm	2.3	0.7	8.3	S	2.0	4.2	NNW	N/A	3.4
03	21	3:40 pm	2.3	0.7	6.7	SSE	2.3	4.3	NNW	N/A	3.6
03	21	2:40 pm	2.6	1.0	6.7	SSE	2.6	4.5	NNW	VERY_STEEP	3.8
03	21	1:40 pm	3.0	1.0	6.7	SSE	3.0	4.8	NNW	VERY_STEEP	3.9
03	21	12:40 pm	3.6	1.0	6.7	SSE	3.3	5.0	NNW	VERY_STEEP	4.1
03	21	11:40 am	3.6	0.7	9.1	SSE	3.6	5.0	NNW	VERY_STEEP	4.0
03	21	10:40 am	4.3	0.7	7.1	SSE	3.9	5.0	NNW	VERY_STEEP	4.1
03	21	9:40 am	3.3	0.7	10.8	NNE	3.3	4.2	NW	VERY_STEEP	3.7
03	21	8:40 am	3.0	1.0	7.1	SSE	3.0	4.5	WNW	VERY_STEEP	3.7
03	21	7:40 am	3.3	1.0	7.1	SE	3.3	4.2	WNW	VERY_STEEP	3.7
03	21	6:40 am	3.6	1.0	11.4	SSE	3.3	4.2	WNW	VERY_STEEP	3.9
03	21	5:40 am	3.0	1.3	7.1	SSE	2.6	3.7	WNW	VERY_STEEP	3.6
03	21	4:40 am	2.3	1.3	7.1	SSE	1.6	2.9	WNW	N/A	3.7
03	21	3:40 am	2.3	1.3	6.2	ESE	1.6	5.3	E	N/A	3.9
03	21	2:40 am	2.3	2.0	6.7	ESE	1.3	2.6	WNW	N/A	4.2
03	21	1:40 am	2.3	2.0	5.9	E	1.6	4.5	E	N/A	4.0
03	21	12:40 am	2.6	2.0	7.1	SE	1.6	5.0	E	AVERAGE	4.8
03	20	11:40 pm	3.0	3.0	6.2	ESE	1.0	3.3	ENE	STEEP	5.1
03	20	10:40 pm	3.0	3.0	7.1	ESE	1.3	3.6	ENE	AVERAGE	5.0
03	20	9:40 pm	3.3	3.3	6.7	ESE	1.3	3.8	ESE	AVERAGE	5.1
03	20	8:40 pm	3.6	3.3	5.9	E	1.3	3.6	ENE	STEEP	5.0

Plot of wave energy versus frequency (and period)

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.