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

Owned and maintained by National Data Buoy Center
3-meter foam buoy
AMPS payload
43.201 N 69.128 W (43°12'3" N 69°7'42" 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 water line
Water depth: 180.7 m
Watch circle radius: 341 yards

Caution: Right whales may be active in northeast waters year-round. NOAA may establish temporary Dynamic Management Areas (DMAs) to protect aggregations of right whales. Mariners are requested to transit DMAs at 10 knots or less when consistent with safe navigation. For information on currently active DMAs, go to: http://www.nmfs.noaa.gov/pr/shipstrike

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

Large icon indicates selected station.

Stations with recent data

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

Disclaimer

Conditions at 44005 as of
(4:50 am EDT)
0850 GMT on 09/23/2019:
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):	SW ( 220 deg true )
	Wind Speed (WSPD):	19.4 kts
	Wind Gust (GST):	21.4 kts
	Wave Height (WVHT):	4.6 ft
	Dominant Wave Period (DPD):	6 sec
	Average Period (APD):	4.6 sec
	Mean Wave Direction (MWD):	SW ( 214 deg true )
	Atmospheric Pressure (PRES):	29.83 in
	Pressure Tendency (PTDY):	-0.06 in ( Falling )
	Air Temperature (ATMP):	64.0 °F
	Water Temperature (WTMP):	60.6 °F
	Dew Point (DEWP):	62.6 °F
	Wind Speed at 10 meters (WSPD10M):	19.4 kts
	Wind Speed at 20 meters (WSPD20M):	23.3 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (EDT)	WDIR	WSPD
4:50 am	SW ( 220 deg )	18.5 kts
4:40 am	SW ( 219 deg )	18.5 kts
4:30 am	SW ( 214 deg )	18.1 kts
4:20 am	SW ( 215 deg )	18.8 kts
4:10 am	SSW ( 212 deg )	18.5 kts
4:00 am	SSW ( 212 deg )	17.9 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (EDT)		WSPD		WDIR
4:17 am		19.4 kts		SSW ( 210 deg true )

Peak gust during the measurement hour
TIME (EDT)	GDR	GST
4:05 am	SW ( 220 deg )	23.3 kts

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
09	23	3:50 am	SSW	17.5	21.4	4.3	6	4.4	SSW	29.85	-0.06	63.9	60.6	62.2	-	-	-
09	23	2:50 am	SW	19.4	21.4	4.3	5	4.4	SW	29.87	-0.05	64.0	60.6	61.3	-	-	-
09	23	1:50 am	SW	17.5	21.4	3.9	5	4.2	SSW	29.89	-0.04	64.2	60.6	60.8	-	-	-
09	23	12:50 am	SSW	15.5	19.4	3.6	5	4.2	SSW	29.91	-0.05	64.2	60.8	61.5	-	-	-
09	22	11:50 pm	SW	17.5	21.4	3.6	5	4.1	SSW	29.92	-0.05	64.9	61.0	61.7	-	-	-
09	22	10:50 pm	SW	17.5	19.4	3.3	5	4.1	S	29.93	-0.03	64.4	61.2	61.9	-	-	-
09	22	9:50 pm	SSW	15.5	17.5	3.3	5	4.2	S	29.96	-0.01	64.2	61.3	61.9	-	-	-
09	22	8:50 pm	SSW	15.5	17.5	3.0	5	4.0	S	29.97	-0.01	64.8	61.5	61.9	-	-	-
09	22	7:50 pm	SSW	15.5	17.5	3.0	4	3.9	S	29.97	-0.03	64.8	61.5	62.2	-	-	-
09	22	6:50 pm	SSW	15.5	17.5	3.0	5	3.9	S	29.97	-0.05	64.6	61.7	62.4	-	-	-
09	22	5:50 pm	SSW	13.6	15.5	2.6	4	3.8	S	29.98	-0.06	64.6	61.7	62.1	-	-	-
09	22	4:50 pm	SSW	15.5	17.5	2.6	4	3.9	S	30.00	-0.06	64.2	61.7	61.9	-	-	-
09	22	3:50 pm	SSW	13.6	17.5	2.6	4	3.8	S	30.02	-0.08	63.7	61.5	61.7	-	-	-
09	22	2:50 pm	SSW	13.6	17.5	2.6	4	3.8	SSW	30.04	-0.07	63.3	61.5	61.7	-	-	-
09	22	1:50 pm	SSW	13.6	15.5	2.3	4	3.8	S	30.06	-0.07	63.0	61.5	61.5	-	-	-
09	22	12:50 pm	SSW	13.6	15.5	2.0	4	3.8	SSW	30.10	-0.05	63.3	61.3	61.0	-	-	-
09	22	11:50 am	SSW	13.6	15.5	2.3	9	4.1	SE	30.11	-0.04	63.3	61.3	60.8	-	-	-
09	22	10:50 am	S	11.7	13.6	2.3	8	4.2	ESE	30.13	-0.01	63.3	61.0	60.8	-	-	-
09	22	9:50 am	SSW	9.7	11.7	2.0	9	4.4	ESE	30.15	+0.00	63.1	60.6	60.3	-	-	-
09	22	8:50 am	SSW	9.7	11.7	2.0	9	4.2	ESE	30.16	+0.00	62.8	60.4	60.1	-	-	-
09	22	7:50 am	S	9.7	11.7	2.0	9	4.6	ESE	30.14	-0.01	62.6	60.3	59.9	-	-	-
09	22	6:50 am	S	7.8	9.7	1.6	9	4.6	ESE	30.15	-0.01	62.4	60.3	59.9	-	-	-
09	22	5:50 am	S	7.8	9.7	1.6	10	4.8	SE	30.16	-0.01	62.4	60.4	59.9	-	-	-

Detailed Wave Summary
for 44005 as of (5:00 am EDT)
0900 GMT on 09/23/2019:
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):	4.6 ft
	Swell Height (SwH):	1.0 ft
	Swell Period (SwP):	12.9 sec
	Swell Direction (SwD):	SSE
	Wind Wave Height (WWH):	4.6 ft
	Wind Wave Period (WWP):	5.6 sec
	Wind Wave Direction (WWD):	SW
	Wave Steepness (STEEPNESS):	VERY_STEEP
	Average Wave Period (APD):	4.6 sec

Previous observations

MM	DD	TIME (EDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
09	23	4:00 am	4.3	0.7	12.9	E	4.3	5.6	SSW	VERY_STEEP	4.4
09	23	3:00 am	4.3	0.7	12.9	S	4.3	5.3	SW	VERY_STEEP	4.4
09	23	2:00 am	3.9	0.7	13.8	SE	3.9	4.8	SSW	VERY_STEEP	4.2
09	23	1:00 am	3.6	1.0	13.8	SW	3.6	5.0	SSW	VERY_STEEP	4.2
09	23	12:00 am	3.6	0.7	8.3	SSW	3.6	4.8	SSW	VERY_STEEP	4.1
09	22	11:00 pm	3.3	1.0	7.7	SE	3.0	4.8	S	VERY_STEEP	4.1
09	22	10:00 pm	3.3	1.0	8.3	SSE	3.3	4.8	S	VERY_STEEP	4.2
09	22	9:00 pm	3.0	1.0	9.1	SE	2.6	4.5	S	VERY_STEEP	4.0
09	22	8:00 pm	3.0	1.0	7.7	SSE	2.6	4.3	S	VERY_STEEP	3.9
09	22	7:00 pm	3.0	1.0	9.1	SE	2.6	4.5	S	VERY_STEEP	3.9
09	22	6:00 pm	2.6	1.0	10.0	SSE	2.6	4.3	S	VERY_STEEP	3.8
09	22	5:00 pm	2.6	1.0	12.9	SSE	2.3	4.0	S	VERY_STEEP	3.9
09	22	4:00 pm	2.6	1.0	10.0	S	2.3	4.3	S	N/A	3.8
09	22	3:00 pm	2.6	1.0	12.1	ESE	2.3	3.8	SSW	N/A	3.8
09	22	2:00 pm	2.3	1.0	7.7	ESE	2.0	3.8	S	N/A	3.8
09	22	1:00 pm	2.0	1.0	9.1	ESE	1.6	3.6	SSW	N/A	3.8
09	22	12:00 pm	2.3	1.3	9.1	SE	1.6	3.6	SSW	N/A	4.1
09	22	11:00 am	2.3	1.6	8.3	ESE	1.6	3.3	SSW	N/A	4.2
09	22	10:00 am	2.0	1.6	9.1	ESE	1.3	3.3	SSW	N/A	4.4
09	22	9:00 am	2.0	1.3	9.1	ESE	1.3	3.3	SSW	N/A	4.2
09	22	8:00 am	2.0	1.6	9.1	ESE	1.3	3.3	SSW	N/A	4.6
09	22	7:00 am	1.6	1.3	9.1	ESE	1.0	3.1	SSW	N/A	4.6
09	22	6:00 am	1.6	1.6	10.0	SE	1.0	2.9	SSW	N/A	4.8

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.