Station 44005 (LLNR 820) - GULF OF MAINE - 78 NM East of Portsmouth, NH

Owned and maintained by National Data Buoy Center
3-meter discus buoy
AMPS payload
43.201 N 69.127 W (43°12'2" N 69°7'37" W)

Site elevation: sea level
Air temp height: 4.4 m above site elevation
Anemometer height: 4.9 m above site elevation
Barometer elevation: 0.3 m above mean sea level
Sea temp depth: 0.6 m below water line
Water depth: 176.8 m
Watch circle radius: 306 yards

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Disclaimer

Conditions at 44005 as of
(12:50 am EDT)
0450 GMT on 04/13/2021:
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):	4.6 ft
	Dominant Wave Period (DPD):	7 sec
	Average Period (APD):	5.2 sec
	Mean Wave Direction (MWD):	ENE ( 77 deg true )
	Atmospheric Pressure (PRES):	29.95 in
	Pressure Tendency (PTDY):	+0.00 in ( Steady )
	Air Temperature (ATMP):	45.1 °F
	Water Temperature (WTMP):	43.3 °F
	Dew Point (DEWP):	41.7 °F

Previous observations

MM	DD	TIME (EDT)	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	12	11:50 pm	-	-	-	4.6	7	5.6	E	29.96	+0.00	44.2	43.3	41.9	-	-	-
04	12	10:50 pm	-	-	-	4.3	7	5.5	ENE	29.95	+0.01	44.4	43.2	41.5	-	-	-
04	12	9:50 pm	-	-	-	4.3	7	5.5	ENE	29.95	+0.03	44.8	43.2	40.5	-	-	-
04	12	8:50 pm	-	-	-	4.6	6	5.5	ENE	29.95	+0.05	43.7	43.2	40.6	-	-	-
04	12	7:50 pm	-	-	-	4.9	8	5.5	ENE	29.94	+0.04	43.9	43.3	38.8	-	-	-
04	12	6:50 pm	-	-	-	5.2	7	5.5	ENE	29.92	+0.04	44.2	43.5	37.6	-	-	-
04	12	5:50 pm	-	-	-	5.9	8	5.7	ENE	29.91	+0.01	44.1	43.7	39.0	-	-	-
04	12	4:50 pm	-	-	-	6.2	8	5.8	ENE	29.89	+0.00	43.9	43.5	39.2	-	-	-
04	12	3:50 pm	-	-	-	7.2	7	5.9	ENE	29.88	+0.01	43.3	43.3	39.6	-	-	-
04	12	2:50 pm	-	-	-	7.9	8	5.8	ENE	29.89	+0.04	43.3	43.3	39.0	-	-	-
04	12	1:50 pm	-	-	-	8.2	7	5.7	ENE	29.89	+0.04	43.3	43.5	40.1	-	-	-
04	12	12:50 pm	-	-	-	8.2	7	5.6	ENE	29.87	+0.04	42.6	43.2	40.8	-	-	-
04	12	11:50 am	-	-	-	6.6	6	5.1	ENE	29.85	+0.03	42.4	43.2	41.0	-	-	-
04	12	10:50 am	-	-	-	5.6	6	4.8	ENE	29.85	+0.03	43.2	43.3	40.8	-	-	-
04	12	9:50 am	-	-	-	4.9	5	4.6	ENE	29.83	+0.02	43.2	43.3	40.6	-	-	-
04	12	8:50 am	-	-	-	3.0	4	4.1	NE	29.83	+0.02	44.1	43.7	43.9	-	-	-
04	12	7:50 am	-	-	-	3.0	11	4.3	ESE	29.82	+0.02	43.7	43.7	43.3	-	-	-
04	12	6:50 am	-	-	-	2.6	10	4.5	ESE	29.82	+0.01	45.0	43.9	44.6	-	-	-
04	12	5:50 am	-	-	-	2.6	8	5.1	SE	29.80	+0.00	44.6	43.9	44.2	-	-	-
04	12	4:50 am	-	-	-	2.6	11	5.3	ESE	29.79	-0.01	45.1	43.9	42.8	-	-	-
04	12	3:50 am	-	-	-	3.0	9	5.5	ESE	29.80	+0.00	45.0	43.7	42.1	-	-	-
04	12	2:50 am	-	-	-	3.0	10	5.7	ESE	29.80	+0.01	43.9	43.5	43.0	-	-	-
04	12	1:50 am	-	-	-	3.3	10	5.9	ESE	29.80	+0.00	43.5	43.3	42.8	-	-	-
04	12	12:50 am	-	-	-	3.3	10	5.6	SE	29.80	+0.00	43.5	43.5	42.4	-	-	-

Detailed Wave Summary
for 44005 as of (1:00 am EDT)
0500 GMT on 04/13/2021:
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):	4.6 ft
	Wave Steepness (STEEPNESS):	STEEP
	Average Wave Period (APD):	5.2 sec

Previous observations

MM	DD	TIME (EDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
04	13	12:00 am	4.6	-	-	-	-	-	-	STEEP	5.6
04	12	11:00 pm	4.3	-	-	-	-	-	-	STEEP	5.5
04	12	10:00 pm	4.3	-	-	-	-	-	-	STEEP	5.5
04	12	9:00 pm	4.6	-	-	-	-	-	-	STEEP	5.5
04	12	8:00 pm	4.9	-	-	-	-	-	-	AVERAGE	5.5
04	12	7:00 pm	5.2	-	-	-	-	-	-	STEEP	5.5
04	12	6:00 pm	5.9	-	-	-	-	-	-	STEEP	5.7
04	12	5:00 pm	6.2	-	-	-	-	-	-	STEEP	5.8
04	12	4:00 pm	7.2	-	-	-	-	-	-	STEEP	5.9
04	12	3:00 pm	7.9	-	-	-	-	-	-	STEEP	5.8
04	12	2:00 pm	8.2	-	-	-	-	-	-	STEEP	5.7
04	12	1:00 pm	8.2	-	-	-	-	-	-	VERY_STEEP	5.6
04	12	12:00 pm	6.6	-	-	-	-	-	-	VERY_STEEP	5.1
04	12	11:00 am	5.6	-	-	-	-	-	-	VERY_STEEP	4.8
04	12	10:00 am	4.9	-	-	-	-	-	-	VERY_STEEP	4.6
04	12	9:00 am	3.0	-	-	-	-	-	-	VERY_STEEP	4.1
04	12	8:00 am	3.0	-	-	-	-	-	-	N/A	4.3
04	12	7:00 am	2.6	-	-	-	-	-	-	N/A	4.5
04	12	6:00 am	2.6	-	-	-	-	-	-	N/A	5.1
04	12	5:00 am	2.6	-	-	-	-	-	-	N/A	5.3
04	12	4:00 am	3.0	-	-	-	-	-	-	N/A	5.5
04	12	3:00 am	3.0	-	-	-	-	-	-	N/A	5.7
04	12	2:00 am	3.3	-	-	-	-	-	-	N/A	5.9
04	12	1:00 am	3.3	-	-	-	-	-	-	N/A	5.6

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.