Station 44013 (LLNR 420) - BOSTON 16 NM East of Boston, MA

Boston Approach Lighted Buoy BF NOAA 44013

Owned and maintained by National Data Buoy Center
2.1-meter ionomer foam buoy
SCOOP payload
42.346 N 70.651 W (42°20'44" N 70°39'4" W)

Site elevation: sea level
Air temp height: 2.8 m above site elevation
Anemometer height: 3.2 m above site elevation
Barometer elevation: 1.8 m above mean sea level
Sea temp depth: 1.1 m below water line
Water depth: 64.6 m
Watch circle radius: 122 yards

Caution: Right whales may be active in northeast waters year-round. Mandatory speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas and times along the US east coast. Voluntary speed restrictions may be in effect in other areas and times. For current information on speed-restricted areas, go to: http://www.nmfs.noaa.gov/pr/shipstrike

For area forecasts and warnings, select: Boston WFO

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Disclaimer

Buoy Camera Photos taken at 02/03/2023 2310 UTC. Click photo to enlarge.

Photos from Buoy Camera at station 44013

Photos are generally taken hourly during daylight operations.

Conditions at 44013 as of
(6:10 pm EST)
2310 GMT on 02/03/2023:
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.
	Wave Height (WVHT):	7.2 ft
	Dominant Wave Period (DPD):	6 sec
	Average Period (APD):	4.6 sec
	Mean Wave Direction (MWD):	WNW ( 295 deg true )
	Water Temperature (WTMP):	41.5 °F

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 nmi	TIDE ft

02	03	5:40 pm	-	-	-	6.6	5	4.5	WNW	-	-	-	41.5	-	-	-	-
02	03	4:40 pm	-	-	-	5.2	5	4.2	WNW	-	-	-	41.5	-	-	-	-
02	03	4:10 pm	-	-	-	5.6	5	4.2	WNW	-	-	-	41.5	-	-	-	-
02	03	3:40 pm	-	-	-	5.6	5	4.3	WNW	-	-	-	41.5	-	-	-	-
02	03	3:10 pm	-	-	-	6.2	5	4.3	WNW	-	-	-	41.5	-	-	-	-
02	03	2:40 pm	-	-	-	5.6	5	4.2	WNW	-	-	-	41.7	-	-	-	-
02	03	2:10 pm	-	-	-	5.9	6	4.4	WNW	-	-	-	41.7	-	-	-	-
02	03	1:40 pm	-	-	-	6.6	5	4.6	WNW	-	-	-	41.7	-	-	-	-
02	03	1:10 pm	-	-	-	6.6	6	4.5	WNW	-	-	-	41.7	-	-	-	-
02	03	12:40 pm	-	-	-	6.6	5	4.5	WNW	-	-	-	41.7	-	-	-	-
02	03	12:10 pm	-	-	-	6.2	6	4.4	WNW	-	-	-	41.7	-	-	-	-
02	03	11:40 am	-	-	-	6.6	5	4.4	WNW	-	-	-	41.5	-	-	-	-
02	03	11:10 am	-	-	-	5.2	5	4.2	NW	-	-	-	41.5	-	-	-	-
02	03	10:40 am	-	-	-	5.6	5	4.3	NW	-	-	-	41.5	-	-	-	-
02	03	10:10 am	-	-	-	5.9	6	4.4	NW	-	-	-	41.5	-	-	-	-
02	03	9:40 am	-	-	-	5.9	5	4.3	NW	-	-	-	41.4	-	-	-	-
02	03	8:40 am	-	-	-	5.6	5	4.3	NW	-	-	-	41.4	-	-	-	-
02	03	8:10 am	-	-	-	6.6	5	4.5	NW	-	-	-	41.4	-	-	-	-
02	03	7:40 am	-	-	-	6.2	5	4.2	NW	-	-	-	41.4	-	-	-	-
02	03	7:10 am	-	-	-	4.6	5	3.9	WNW	-	-	-	41.4	-	-	-	-
02	03	6:10 am	-	-	-	4.3	4	3.8	W	-	-	-	41.4	-	-	-	-
02	03	5:40 am	-	-	-	3.9	4	3.6	W	-	-	-	41.4	-	-	-	-
02	03	5:10 am	-	-	-	3.6	4	3.5	W	-	-	-	41.2	-	-	-	-
02	03	3:10 am	-	-	-	3.0	3	3.2	WSW	-	-	-	41.2	-	-	-	-
02	03	2:40 am	-	-	-	3.0	3	3.2	WSW	-	-	-	41.2	-	-	-	-
02	03	2:10 am	-	-	-	3.0	3	3.1	SW	-	-	-	41.2	-	-	-	-
02	03	1:40 am	-	-	-	3.0	4	3.1	SW	-	-	-	41.2	-	-	-	-
02	03	12:40 am	-	-	-	3.3	4	3.3	WSW	-	-	-	41.2	-	-	-	-
02	03	12:10 am	-	-	-	3.0	3	3.2	SW	-	-	-	41.2	-	-	-	-
02	02	10:40 pm	-	-	-	3.0	3	3.2	SW	-	-	-	41.2	-	-	-	-
02	02	10:10 pm	-	-	-	2.6	3	3.0	SW	-	-	-	41.2	-	-	-	-
02	02	9:40 pm	-	-	-	2.3	3	3.0	SW	-	-	-	41.2	-	-	-	-
02	02	8:40 pm	-	-	-	2.3	3	3.1	SSE	-	-	-	41.2	-	-	-	-
02	02	8:10 pm	-	-	-	2.6	3	3.2	SSW	-	-	-	41.2	-	-	-	-
02	02	7:40 pm	-	-	-	2.6	3	3.2	SW	-	-	-	41.2	-	-	-	-
02	02	7:10 pm	-	-	-	2.6	3	3.2	S	-	-	-	41.2	-	-	-	-
02	02	6:40 pm	-	-	-	2.6	4	3.4	SSE	-	-	-	41.2	-	-	-	-
02	02	6:10 pm	-	-	-	2.6	4	3.3	SSE	-	-	-	41.2	-	-	-	-

Detailed Wave Summary
for 44013 as of (6:10 pm EST)
2310 GMT on 02/03/2023:
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):	7.2 ft
	Wave Steepness (STEEPNESS):	VERY_STEEP
	Average Wave Period (APD):	4.6 sec

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

02	03	5:40 pm	6.6	-	-	-	-	-	-	VERY_STEEP	4.5
02	03	4:40 pm	5.2	-	-	-	-	-	-	VERY_STEEP	4.2
02	03	4:10 pm	5.6	-	-	-	-	-	-	VERY_STEEP	4.2
02	03	3:40 pm	5.6	-	-	-	-	-	-	VERY_STEEP	4.3
02	03	3:10 pm	6.2	-	-	-	-	-	-	VERY_STEEP	4.3
02	03	2:40 pm	5.6	-	-	-	-	-	-	VERY_STEEP	4.2
02	03	2:10 pm	5.9	-	-	-	-	-	-	VERY_STEEP	4.4
02	03	1:40 pm	6.6	-	-	-	-	-	-	VERY_STEEP	4.6
02	03	1:10 pm	6.6	-	-	-	-	-	-	VERY_STEEP	4.5
02	03	12:40 pm	6.6	-	-	-	-	-	-	VERY_STEEP	4.5
02	03	12:10 pm	6.2	-	-	-	-	-	-	VERY_STEEP	4.4
02	03	11:40 am	6.6	-	-	-	-	-	-	VERY_STEEP	4.4
02	03	11:10 am	5.2	-	-	-	-	-	-	VERY_STEEP	4.2
02	03	10:40 am	5.6	-	-	-	-	-	-	VERY_STEEP	4.3
02	03	10:10 am	5.9	-	-	-	-	-	-	VERY_STEEP	4.4
02	03	9:40 am	5.9	-	-	-	-	-	-	VERY_STEEP	4.3
02	03	8:40 am	5.6	-	-	-	-	-	-	VERY_STEEP	4.3
02	03	8:10 am	6.6	-	-	-	-	-	-	VERY_STEEP	4.5
02	03	7:40 am	6.2	-	-	-	-	-	-	VERY_STEEP	4.2
02	03	7:10 am	4.6	-	-	-	-	-	-	VERY_STEEP	3.9
02	03	6:10 am	4.3	-	-	-	-	-	-	VERY_STEEP	3.8
02	03	5:40 am	3.9	-	-	-	-	-	-	VERY_STEEP	3.6
02	03	5:10 am	3.6	-	-	-	-	-	-	VERY_STEEP	3.5
02	03	3:10 am	3.0	-	-	-	-	-	-	VERY_STEEP	3.2
02	03	2:40 am	3.0	-	-	-	-	-	-	VERY_STEEP	3.2
02	03	2:10 am	3.0	-	-	-	-	-	-	VERY_STEEP	3.1
02	03	1:40 am	3.0	-	-	-	-	-	-	VERY_STEEP	3.1
02	03	12:40 am	3.3	-	-	-	-	-	-	VERY_STEEP	3.3
02	03	12:10 am	3.0	-	-	-	-	-	-	VERY_STEEP	3.2
02	02	10:40 pm	3.0	-	-	-	-	-	-	VERY_STEEP	3.2
02	02	10:10 pm	2.6	-	-	-	-	-	-	VERY_STEEP	3.0
02	02	9:40 pm	2.3	-	-	-	-	-	-	N/A	3.0
02	02	8:40 pm	2.3	-	-	-	-	-	-	N/A	3.1
02	02	8:10 pm	2.6	-	-	-	-	-	-	N/A	3.2
02	02	7:40 pm	2.6	-	-	-	-	-	-	VERY_STEEP	3.2
02	02	7:10 pm	2.6	-	-	-	-	-	-	N/A	3.2
02	02	6:40 pm	2.6	-	-	-	-	-	-	N/A	3.4
02	02	6:10 pm	2.6	-	-	-	-	-	-	VERY_STEEP	3.3

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.