GULF OF MAINE NM East of Portsmouth, NH (44005)

Conditions for Thursday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 56° F
Humidity: 95
Wind direction (W Dir): East (75 - 84 Degrees)
Wind Speed (W Spd): 35.0 kts (40.3 mph)
Wind Gust (W Spd): 44.7 kts (51.5 mph)
Dominant Wave Period (DWP): 7 sec
Dominant Wave Height (DWH): 9.84 ft
Dominant Wave Range (DWR): exactly 9.8 ft
Wind Wave Period (WWP): 7 sec
Wind Wave Height (WWH): 9.84 ft
Wind Wave Range (WWR): 9.02 - 10.66 ft
Atmospheric Pressure (AP): 29.21 in
Pressure Tendency (PT): -0.36 in
Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly

Updated: 2:50 AM EDT on October 17, 2019

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Current Wave Detail Observations

Water Depth: 594 ft
Wave Height: 9.94 ft
Spectral Peak Period: 6.7 sec
Average Wave Period: 5.9 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 3:00 AM EDT on October 17, 2019

General Information

Location: 43.204 North -69.128 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3DV23
Payload: AMPS payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: 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


Weather and Wave Data

Time Temp Humidity Wind Dominant Wave Wind Wave Wave Swell Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Atmo.
(in)
Tend.
(in)
20:50 55 54 81 ESE 19.4 22.4 6 5.25 exactly 5.2 6 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 29.79 -0.11
22:50 56 54 81 East 23.3 26.8 6 6.23 exactly 6.2 6 6.56 5.74 - 7.38 - - - 29.67 -0.15
00:50 56 54 85 East 29.2 33.6 7 6.89 exactly 6.9 7 6.56 5.74 - 7.38 - - - 29.49 -0.25
01:50 56 54 93 East 29.2 33.6 7 8.86 exactly 8.9 7 8.20 7.38 - 9.02 - - - 29.38 -0.28
02:50 56 54 95 East 35.0 40.3 7 9.84 exactly 9.8 7 9.84 9.02 - 10.66 - - - 29.21 -0.36

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 594 ft 5.41 ft 5.6 sec 4.9 sec 0.6 sec 2400 sec
21:00 594 ft 5.35 ft 5.9 sec 4.8 sec 0.6 sec 2400 sec
00:00 594 ft 6.36 ft 5.9 sec 4.8 sec 0.6 sec 2400 sec
02:00 594 ft 8.92 ft 7.1 sec 5.5 sec 0.6 sec 2400 sec
03:00 594 ft 9.94 ft 6.7 sec 5.9 sec 0.6 sec 2400 sec