NANTUCKET SOUND (44020)

Conditions for Wednesday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: ° F
Wind direction (W Dir): ()
Wind Speed (W Spd): kts ( )
Dominant Wave Period (DWP): 3 sec
Dominant Wave Height (DWH): 1.97 ft
Dominant Wave Range (DWR): exactly 2.0 ft
Wind Wave Period (WWP): 3 sec
Wind Wave Height (WWH): 1.64 ft
Wind Wave Range (WWR): 0.82 - 2.46 ft

Updated: 5:40 AM EDT on July 24, 2019

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General Information

Location: 41.443 North -70.187 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D41
Payload: ARES 4.4 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 recommends vessels reduce speeds below 10 knots, when consistent with safe navigation. For latest sightings, go to: http://rwhalesightings.nefsc.noaa.gov/

Weather and Wave Data

Time Temp Humidity Wind Dominant Wave Wind Wave Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Atmo.
(in)
Tend.
(in)
20:40 75
-
- 6 0.98 exactly 1.0 - - -
-
-
20:50 66
-
73 NNE 7.8 8.9 - - -
-
-
21:20 66
-
70 North 5.8 6.7 - - - 29.94 -
21:40
-
-
- 1.9 2.2 - - - 29.94 -
21:50 66 75 69 ENE 3.9 4.5 5 0.98 exactly 1.0 - - -
-
-
22:00 75
-
- 3.9 4.5 - - - 29.94 +0.04
22:40 67
-
66 NNE 5.8 6.7 - - -
-
-
23:10 67
-
66 NNE 5.8 6.7 - - -
-
-
23:20 67
-
65 NNE 5.8 6.7 - - -
-
-
01:10 67
-
69 East 7.8 8.9 - - -
-
-
01:30 66
-
74 East 5.8 6.7 - - -
-
-
01:50 66 75 70 East 5.8 6.7 6 0.98 exactly 1.0 - - -
-
-
02:20 74
-
- 3.9 4.5 - - - 29.91 -
02:40 75
-
- 4 0.98 exactly 1.0 - - -
-
-
03:10 66 75 78 NNE 13.6 15.7 - - -
-
-
03:20
-
-
- 13.6 15.7 - - - 29.85 -
03:30 66
-
77 NE 15.6 17.9 - - -
-
-
03:40 75
-
- 4 0.98 exactly 1.0 4 1.64 0.82 - 2.46
-
-
04:20
-
-
- 15.6 17.9 - - - 29.84 -
04:40 66 76 79 NE 15.6 17.9 - - -
-
-
04:50 66
-
78 NNE 15.6 17.9 - - -
-
-
05:00 76
-
- 13.6 15.7 - - - 29.87 -0.05
05:30 65
-
74 NNE 15.6 17.9 - - -
-
-
05:40 75
-
- 3 1.97 exactly 2.0 3 1.64 0.82 - 2.46
-
-

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 46 ft 1.35 ft 2.6 sec 3.1 sec 0.6 sec 2400 sec
21:00 46 ft 1.05 ft 6.3 sec 3.3 sec 0.6 sec 2400 sec
23:00 46 ft 0.98 ft 6.3 sec 4.3 sec 0.6 sec 2400 sec
00:00 46 ft 1.05 ft 6.3 sec 4.5 sec 0.6 sec 2400 sec
02:00 46 ft 0.95 ft 6.3 sec 3.8 sec 0.6 sec 2400 sec
04:00 46 ft 0.95 ft 4.0 sec 3.2 sec 0.6 sec 2400 sec