NANTUCKET SOUND (44020)

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: ° F
Wind direction (W Dir): ()
Wind Speed (W Spd): 7.8 kts (8.9 mph)
Wind Gust (W Spd): 9.7 kts (11.2 mph)

Updated: 5:40 PM EDT on July 20, 2019

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Current Wave Detail Observations

Water Depth: 46 ft
Wave Height: 0.92 ft
Spectral Peak Period: 3.1 sec
Average Wave Period: 3.0 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 6:00 PM EDT on July 20, 2019

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 74
-
- 15.6 17.9 - - -
-
-
21:00
-
-
- 15.6 17.9 - - -
-
-
21:20 73
-
95 WSW 17.5 20.1 - - -
-
-
21:40 74
-
- 17.5 20.1 - - -
-
-
22:00 74
-
- 15.6 17.9 - - - 29.83 -
22:20 74
-
96 WSW 17.5 20.1 - - -
-
-
22:30 74
-
97 WSW 17.5 20.1 - - -
-
-
22:40
-
-
- 15.6 17.9 - - - 29.82 -
23:00 74
-
- 13.6 15.7 - - -
-
-
23:40 74
-
- 3 1.64 exactly 1.6 3 1.64 0.82 - 2.46
-
-
00:00 74
-
- 13.6 15.7 - - - 29.81 -
00:20 74
-
97 WSW 13.6 15.7 - - -
-
-
00:30 74
-
97 WSW 11.7 13.4 - - -
-
-
00:40
-
-
- 9.7 11.2 - - -
-
-
01:20 74
-
- 11.7 13.4 - - -
-
-
01:40 74
-
- 13.6 15.7 - - - 29.78 -
02:20 75
-
- 13.6 15.7 - - - 29.78 -
02:40 75
-
- 3 1.31 exactly 1.3 3 1.64 0.82 - 2.46
-
-
03:20 74 74 95 WSW 11.7 13.4 - - -
-
-
03:40 74
-
- 3 1.31 exactly 1.3 3 1.64 0.82 - 2.46
-
-
03:50 74
-
95 WSW 9.7 11.2 - - -
-
-
04:00 74
-
- 9.7 11.2 - - - 29.78 -0.02
04:10 75 74 92 WSW 9.7 11.2 - - -
-
-
04:20 74
-
- 9.7 11.2 - - - 29.77 -
04:40 74
-
- 9.7 11.2 - - - 29.78 -
04:50 75
-
93 WSW 9.7 11.2 - - -
-
-
05:00 74
-
- 9.7 11.2 - - - 29.78 -
05:10 75
-
94 West 9.7 11.2 - - -
-
-
05:20 76 74 91 West 9.7 11.2 - - -
-
-
05:40 76
-
91 West 9.7 11.2 - - - 29.78 -
06:00 76 74 91 West 11.7 13.4 - - - 29.79 -
06:10 76
-
91 West 11.7 13.4 - - -
-
-
06:20 74
-
- 11.7 13.4 - - -
-
-
06:30 76 74 90 West 11.7 13.4 - - -
-
-
06:40 74
-
- 3 0.98 exactly 1.0 3 1.64 0.82 - 2.46
-
-
07:40 74
-
- 3 0.98 exactly 1.0 3 1.64 0.82 - 2.46
-
-
08:20 74
-
- 7.8 8.9 - - - 29.82 -
08:40 74
-
- 3 0.98 exactly 1.0 3 1.64 0.82 - 2.46
-
-
09:30 77
-
87 West 7.8 8.9 - - -
-
-
09:40 75
-
- 7.8 8.9 - - - 29.81 -
10:20 78
-
84 West 7.8 8.9 - - -
-
-
11:10 78
-
84 West 7.8 8.9 - - -
-
-
11:20 74
-
- 7.8 8.9 - - -
-
-
11:40 74
-
- 7.8 8.9 - - - 29.81 -
12:20
-
-
- 5.8 6.7 - - -
-
-
12:40
-
-
- 5.8 6.7 - - - 29.81 -
13:00 75
-
- 7.8 8.9 - - -
-
-
13:10 75 75 90 SSW 9.7 11.2 - - -
-
-
13:40 76
-
- 9.7 11.2 - - - 29.80 -
14:10 75
-
88 SW 9.7 11.2 - - -
-
-
14:30 76
-
87 SW 9.7 11.2 - - -
-
-
14:40
-
-
- 9.7 11.2 - - - 29.79 -
15:20 76
-
- 7.8 8.9 - - - 29.78 -
15:40 77
-
84 SW 9.7 11.2 - - -
-
-
15:50 76
-
86 SW 9.7 11.2 - - -
-
-
16:20 77
-
- 9.7 11.2 - - - 29.77 -
16:30 76 77 85 SSW 11.7 13.4 - - -
-
-
16:40 75
-
87 SSW 11.7 13.4 - - -
-
-
17:10 75
-
87 SSW 11.7 13.4 - - -
-
-
17:40 77
-
- 7.8 8.9 - - -
-
-

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 46 ft 2.10 ft 3.6 sec 3.3 sec 0.6 sec 2400 sec
01:00 46 ft 1.35 ft 2.7 sec 2.8 sec 0.6 sec 2400 sec
02:00 46 ft 1.35 ft 2.9 sec 3.0 sec 0.6 sec 2400 sec
03:00 46 ft 1.31 ft 3.0 sec 3.1 sec 0.6 sec 2400 sec
07:00 46 ft 1.05 ft 3.2 sec 3.0 sec 0.6 sec 2400 sec
08:00 46 ft 1.08 ft 2.9 sec 3.0 sec 0.6 sec 2400 sec
10:00 46 ft 0.89 ft 2.7 sec 3.1 sec 0.6 sec 2400 sec
11:00 46 ft 0.89 ft 2.9 sec 3.1 sec 0.6 sec 2400 sec
12:00 46 ft 0.79 ft 3.2 sec 0.6 sec 2400 sec
15:00 46 ft 0.95 ft 2.7 sec 3.2 sec 0.6 sec 2400 sec
16:00 46 ft 0.92 ft 2.6 sec 3.2 sec 0.6 sec 2400 sec
17:00 46 ft 1.05 ft 2.9 sec 3.1 sec 0.6 sec 2400 sec
18:00 46 ft 0.92 ft 3.1 sec 3.0 sec 0.6 sec 2400 sec