Station 42056 (LLNR 110) - Yucatan Basin - 120 NM ESE of Cozumel, MX

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Owned and maintained by National Data Buoy Center
3-meter discus buoy
ARES payload
19.802 N 84.857 W (19°48'6" N 84°51'24" W)

Site elevation: sea level
Air temp height: 4 m above site elevation
Anemometer height: 5 m above site elevation
Barometer elevation: sea level
Sea temp depth: 0.6 m below site elevation
Water depth: 4684 m
Watch circle radius: 5083 yards

Latest NWS Marine Forecast

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Conditions at 42056 as of
(10:50 pm CDT on 07/28/2014)
0350 GMT on 07/29/2014:
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):	ESE ( 110 deg true )
	Wind Speed (WSPD):	9.7 kts
	Wind Gust (GST):	11.7 kts
	Wave Height (WVHT):	3.6 ft
	Dominant Wave Period (DPD):	8 sec
	Average Period (APD):	5.3 sec
	Mean Wave Direction (MWD):	ESE ( 117 deg true )
	Atmospheric Pressure (PRES):	30.03 in
	Pressure Tendency (PTDY):	+0.00 in ( Steady )
	Air Temperature (ATMP):	84.2 °F
	Dew Point (DEWP):	76.3 °F
	Heat Index (HEAT):	93.4 °F
	Wind Speed at 10 meters (WSPD10M):	9.7 kts
	Wind Speed at 20 meters (WSPD20M):	11.7 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (CDT)	WDIR	WSPD
10:50 pm	ESE ( 105 deg )	10.1 kts
10:40 pm	ESE ( 107 deg )	9.3 kts
10:30 pm	ESE ( 105 deg )	8.9 kts
10:20 pm	ESE ( 114 deg )	8.7 kts
10:10 pm	ESE ( 103 deg )	8.2 kts
10:00 pm	E ( 86 deg )	8.9 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (CDT)		WSPD		WDIR
10:43 pm		11.7 kts		ESE ( 110 deg true )

Peak gust during the measurement hour
TIME (CDT)	GDR	GST
10:41 pm	ESE ( 110 deg )	11.7 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
07	28	9:50 pm	E	9.7	11.7	3.6	7	5.3	SE	30.05	+0.03	82.8	-	73.8	-	-	-
07	28	8:50 pm	NNE	5.8	7.8	3.6	8	5.2	ESE	30.04	+0.04	81.0	-	72.3	-	-	-
07	28	7:50 pm	NE	11.7	13.6	3.6	8	4.6	SE	30.03	+0.05	80.1	-	73.9	-	-	-
07	28	6:50 pm	NE	13.6	15.5	3.6	7	5.2	SE	30.02	+0.03	79.3	-	72.1	-	-	-
07	28	5:50 pm	E	9.7	23.3	3.6	7	5.4	ESE	30.01	+0.00	75.2	-	70.3	-	-	-
07	28	4:50 pm	NE	9.7	11.7	3.6	6	5.3	ESE	29.98	-0.04	85.6	-	78.6	-	-	-
07	28	3:50 pm	NE	9.7	11.7	3.6	7	5.3	ESE	29.99	-0.04	85.6	-	78.1	-	-	-
07	28	2:50 pm	NE	11.7	11.7	3.6	8	5.2	SE	30.00	-0.04	85.5	-	78.3	-	-	-
07	28	1:50 pm	NE	9.7	11.7	3.6	8	5.2	ESE	30.02	-0.02	85.5	-	78.4	-	-	-
07	28	12:50 pm	ENE	9.7	11.7	3.6	7	5.1	ESE	30.03	+0.00	85.3	-	78.1	-	-	-
07	28	11:50 am	NE	11.7	13.6	3.9	8	5.3	SE	30.04	+0.01	85.3	-	77.9	-	-	-
07	28	10:50 am	ENE	11.7	13.6	3.3	7	5.1	ESE	30.04	+0.02	85.5	-	77.4	-	-	-
07	28	9:50 am	ENE	11.7	13.6	3.6	9	5.3	SE	30.03	+0.03	85.3	-	78.1	-	-	-
07	28	8:50 am	ENE	11.7	13.6	3.3	7	5.3	ESE	30.03	+0.03	85.1	-	77.9	-	-	-
07	28	7:50 am	ENE	9.7	11.7	3.3	9	5.2	SE	30.02	+0.04	85.3	-	77.2	-	-	-
07	28	6:50 am	ENE	11.7	13.6	3.3	8	5.4	ESE	30.01	+0.03	84.6	-	78.3	-	-	-
07	28	5:50 am	ENE	7.8	9.7	3.6	8	5.6	ESE	30.00	+0.00	84.4	-	77.9	-	-	-
07	28	4:50 am	ENE	11.7	11.7	3.6	9	5.6	ESE	29.98	-0.02	84.4	-	78.1	-	-	-
07	28	3:50 am	NE	9.7	11.7	3.9	9	5.6	ESE	29.98	-0.06	84.6	-	78.4	-	-	-
07	28	2:50 am	ENE	9.7	11.7	3.6	9	5.4	ESE	29.99	-0.05	84.7	-	77.9	-	-	-
07	28	1:50 am	E	11.7	13.6	3.6	9	5.4	ESE	30.01	-0.03	84.7	-	78.6	-	-	-
07	28	12:50 am	E	11.7	13.6	3.6	8	5.4	ESE	30.03	+0.00	85.3	-	77.5	-	-	-
07	27	11:50 pm	ENE	11.7	13.6	3.6	7	5.2	ESE	30.04	+0.02	85.5	-	77.2	-	-	-
07	27	10:50 pm	ENE	11.7	13.6	3.6	9	5.5	ESE	30.04	+0.03	85.3	-	78.1	-	-	-

Detailed Wave Summary
for 42056 as of
(11:00 pm CDT on 07/28/2014)
0400 GMT on 07/29/2014:
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):	3.6 ft
	Swell Height (SwH):	3.3 ft
	Swell Period (SwP):	8.3 sec
	Swell Direction (SwD):	ESE
	Wind Wave Height (WWH):	1.6 ft
	Wind Wave Period (WWP):	4.5 sec
	Wind Wave Direction (WWD):	ESE
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	5.3 sec

Previous observations

MM	DD	TIME (CDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
07	28	10:00 pm	3.6	3.3	6.7	SE	1.3	4.2	E	AVERAGE	5.3
07	28	9:00 pm	3.6	3.3	7.7	ESE	1.3	3.8	E	AVERAGE	5.2
07	28	8:00 pm	3.6	2.6	7.7	SE	2.3	4.2	ESE	AVERAGE	4.6
07	28	7:00 pm	3.6	2.3	7.1	SE	2.6	5.9	SE	AVERAGE	5.2
07	28	6:00 pm	3.6	3.3	6.7	ESE	1.6	4.8	E	STEEP	5.4
07	28	5:00 pm	3.6	3.3	6.2	ESE	1.6	4.0	ESE	STEEP	5.3
07	28	4:00 pm	3.6	3.3	6.7	ESE	1.6	4.0	ESE	STEEP	5.3
07	28	3:00 pm	3.6	3.0	7.7	SE	2.3	5.3	ESE	AVERAGE	5.2
07	28	2:00 pm	3.6	3.0	8.3	ESE	1.6	4.2	ESE	AVERAGE	5.2
07	28	1:00 pm	3.6	3.3	7.1	ESE	2.0	4.8	ESE	AVERAGE	5.1
07	28	12:00 pm	3.9	3.3	8.3	SE	2.3	5.3	E	AVERAGE	5.3
07	28	11:00 am	3.3	2.6	6.7	ESE	2.0	5.3	ESE	AVERAGE	5.1
07	28	10:00 am	3.6	2.6	9.1	SE	2.0	5.3	ESE	SWELL	5.3
07	28	9:00 am	3.3	3.0	6.7	ESE	2.0	5.3	ESE	AVERAGE	5.3
07	28	8:00 am	3.3	2.6	9.1	SE	1.6	5.0	ESE	SWELL	5.2
07	28	7:00 am	3.3	2.6	8.3	ESE	2.0	5.3	ESE	SWELL	5.4
07	28	6:00 am	3.6	3.3	8.3	ESE	1.3	3.6	ENE	AVERAGE	5.6
07	28	5:00 am	3.6	3.3	9.1	ESE	2.0	5.0	ESE	SWELL	5.6
07	28	4:00 am	3.9	3.6	9.1	ESE	1.6	4.2	E	SWELL	5.6
07	28	3:00 am	3.6	3.3	9.1	ESE	1.6	3.7	ESE	SWELL	5.4
07	28	2:00 am	3.6	3.0	9.1	ESE	2.0	5.0	E	SWELL	5.4
07	28	1:00 am	3.6	3.3	8.3	ESE	2.0	4.8	ESE	AVERAGE	5.4
07	28	12:00 am	3.6	2.6	6.7	ESE	2.3	5.3	ESE	AVERAGE	5.2
07	27	11:00 pm	3.6	3.0	9.1	ESE	2.3	5.6	ESE	SWELL	5.5

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.