Station 44013 - BOSTON 16 NM East of Boston, MA

Owned and maintained by National Data Buoy Center
3-meter discus buoy
DACT payload
42.354 N 70.691 W (42°21'14" N 70°41'29" 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: 55 m
Watch circle radius: 130 yards

Caution: Right whales may be active in northeast waters year-round. NOAA recommends vessels reduce speeds below 10 knots, when consistent with safe navigation. For latest sightings, go to: http://rwhalesightings.nefsc.noaa.gov/

For area forecasts and warnings, select: Boston WFO

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Latest Satellite Wind Map for this Area

Conditions at 44013 as of
(6:50 am EST)
1150 GMT on 12/02/2008:
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):	SW ( 220 deg true )
	Wind Speed (WSPD):	17.5 kts
	Wind Gust (GST):	21.4 kts
	Wave Height (WVHT):	3.3 ft
	Dominant Wave Period (DPD):	13 sec
	Average Period (APD):	4.7 sec
	Atmospheric Pressure (PRES):	29.91 in
	Pressure Tendency (PTDY):	+0.08 in ( Rising )
	Air Temperature (ATMP):	42.8 °F
	Water Temperature (WTMP):	46.2 °F
	Dew Point (DEWP):	33.4 °F
	Wind Chill (CHILL):	34.2 °F
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (EST)	WDIR	WSPD
6:50 am	SW ( 215 deg )	17.5 kts
6:40 am	SW ( 215 deg )	18.1 kts
6:30 am	SW ( 215 deg )	17.3 kts
6:20 am	SW ( 215 deg )	16.5 kts
6:10 am	SW ( 218 deg )	15.9 kts
6:00 am	SSW ( 211 deg )	14.4 kts

Previous observations
MM	DD	TIME (EST)	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 mi	TIDE ft

12	02	5:50 am	SSW	15.5	17.5	3.6	13	4.6	-	29.90	+0.09	43.5	46.6	33.1	-	-	-
12	02	4:50 am	SW	17.5	19.4	3.6	13	4.3	-	29.86	+0.09	44.6	46.8	31.1	-	-	-
12	02	3:50 am	SW	19.4	25.3	3.6	13	4.2	-	29.83	+0.09	45.1	46.8	31.5	-	-	-
12	02	2:50 am	SSW	17.5	21.4	3.9	13	4.9	-	29.81	+0.10	45.3	46.8	35.1	-	-	-
12	02	1:50 am	SW	21.4	27.2	3.9	13	4.5	-	29.78	+0.09	46.8	46.8	33.8	-	-	-
12	02	12:50 am	SW	17.5	21.4	3.9	13	4.3	-	29.74	+0.08	47.5	46.8	35.6	-	-	-
12	01	11:50 pm	SW	17.5	21.4	4.3	14	5.3	-	29.71	+0.07	48.0	46.9	39.2	-	-	-
12	01	10:50 pm	SW	15.5	17.5	3.9	13	5.0	-	29.69	+0.08	49.1	46.9	37.9	-	-	-
12	01	9:50 pm	WSW	19.4	23.3	3.9	14	5.4	-	29.66	+0.03	50.0	46.9	-	-	-	-
12	01	8:50 pm	SSW	17.5	23.3	4.3	8	5.7	-	29.64	+0.03	49.6	46.9	44.2	-	-	-
12	01	7:50 pm	SSW	19.4	23.3	4.6	8	5.3	-	29.61	+0.04	49.6	46.9	41.7	-	-	-
12	01	6:50 pm	S	11.7	15.5	4.9	8	6.0	-	29.63	+0.10	48.9	46.9	44.6	-	-	-
12	01	5:50 pm	SSW	19.4	23.3	5.2	8	5.9	-	29.61	+0.10	49.5	46.9	43.2	-	-	-
12	01	4:50 pm	S	17.5	19.4	5.6	13	5.9	-	29.57	+0.08	49.8	46.9	42.3	-	-	-
12	01	3:50 pm	SSW	19.4	23.3	5.2	8	5.8	-	29.53	+0.05	51.8	47.5	43.0	-	-	-
12	01	2:50 pm	S	17.5	21.4	5.9	8	6.0	-	29.51	+0.04	53.1	47.5	44.2	-	-	-
12	01	1:50 pm	S	13.6	15.5	5.9	8	6.0	-	29.49	+0.00	52.5	47.5	45.5	-	-	-
12	01	12:50 pm	SSW	15.5	17.5	6.6	8	5.8	-	29.48	-0.02	53.8	47.5	45.0	-	-	-
12	01	11:50 am	SSW	17.5	19.4	6.6	8	5.9	-	29.47	-0.02	54.1	47.5	-	-	-	-
12	01	10:50 am	SSW	11.7	13.6	6.6	8	6.3	-	29.49	+0.01	53.2	46.9	49.8	-	-	-
12	01	9:50 am	W	5.8	9.7	6.2	8	6.7	-	29.50	+0.02	49.8	46.9	49.6	-	-	-
12	01	8:50 am	S	7.8	7.8	6.9	8	6.5	-	29.49	+0.03	48.0	46.9	47.7	-	-	-
12	01	7:50 am	-	0.0	1.9	7.5	8	6.8	-	29.48	+0.04	46.9	46.9	46.6	-	-	-
12	01	6:50 am	W	1.9	3.9	6.9	8	6.4	-	29.48	+0.05	46.9	46.9	46.6	-	-	-

Detailed Wave Summary
for 44013 as of (7:00 am EST)
1200 GMT on 12/02/2008:
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):	3.3 ft
	Swell Height (SwH):	2.6 ft
	Swell Period (SwP):	12.5 sec
	Wind Wave Height (WWH):	2.0 ft
	Wind Wave Period (WWP):	3.0 sec
	Wave Steepness (STEEPNESS):	SWELL
	Average Wave Period (APD):	4.7 sec

Previous observations
MM	DD	TIME (EST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec

12	02	6:00 am	3.6	2.6	12.5	N/A	2.3	3.2	N/A	SWELL	4.6
12	02	5:00 am	3.6	2.6	12.5	N/A	2.6	3.3	N/A	SWELL	4.3
12	02	4:00 am	3.6	2.6	12.5	N/A	2.6	3.1	N/A	SWELL	4.2
12	02	3:00 am	3.9	3.0	12.5	N/A	2.3	3.4	N/A	SWELL	4.9
12	02	2:00 am	3.9	2.6	12.5	N/A	2.6	3.6	N/A	SWELL	4.5
12	02	1:00 am	3.9	2.6	12.5	N/A	2.6	3.3	N/A	SWELL	4.3
12	02	12:00 am	4.3	3.3	14.3	N/A	2.6	3.1	N/A	SWELL	5.3
12	01	11:00 pm	3.9	3.0	12.5	N/A	2.6	3.4	N/A	SWELL	5.0
12	01	10:00 pm	3.9	3.3	14.3	N/A	2.3	5.6	N/A	SWELL	5.4
12	01	9:00 pm	4.3	3.6	8.3	N/A	2.0	3.3	N/A	AVERAGE	5.7
12	01	8:00 pm	4.6	3.9	8.3	N/A	2.6	3.8	N/A	AVERAGE	5.3
12	01	7:00 pm	4.9	4.3	8.3	N/A	2.6	5.3	N/A	AVERAGE	6.0
12	01	6:00 pm	5.2	4.6	8.3	N/A	2.6	5.9	N/A	AVERAGE	5.9
12	01	5:00 pm	5.6	4.9	12.5	N/A	3.0	5.0	N/A	SWELL	5.9
12	01	4:00 pm	5.2	4.3	8.3	N/A	3.0	4.2	N/A	AVERAGE	5.8
12	01	3:00 pm	5.9	5.2	8.3	N/A	3.0	4.5	N/A	AVERAGE	6.0
12	01	2:00 pm	5.9	4.9	7.7	N/A	3.3	3.8	N/A	STEEP	6.0
12	01	1:00 pm	6.6	5.2	8.3	N/A	3.6	4.0	N/A	AVERAGE	5.8
12	01	12:00 pm	6.6	5.6	8.3	N/A	3.6	3.7	N/A	AVERAGE	5.9
12	01	11:00 am	6.6	5.9	7.7	N/A	3.0	5.6	N/A	STEEP	6.3
12	01	10:00 am	6.2	6.2	7.7	N/A	1.3	3.8	N/A	STEEP	6.7
12	01	9:00 am	6.9	6.6	8.3	N/A	1.6	4.0	N/A	AVERAGE	6.5
12	01	8:00 am	7.5	7.5	8.3	N/A	1.6	3.8	N/A	STEEP	6.8
12	01	7:00 am	6.9	6.6	7.7	N/A	2.0	4.0	N/A	STEEP	6.4

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.

U.S. Dept. of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
National Data Buoy Center
1007 Balch Blvd.
Stennis Space Center, MS 39529
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Page last modified: November 25, 2008

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