NANTUCKET 54NM Southeast of Nantucket (44008)

Conditions for Wednesday

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Marine Data Graph

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General Information

Location: 40.503 -69.248
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D13
Payload: ARES 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. Mandatory speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas and times along the US east coast. Voluntary speed restrictions may be in effect in other areas and times. For current information on speed-restricted areas, 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)
20:10 51 57 70 NNW 9.7 11.2 - - - - - - 29.85 -
20:20 51 57 70 North 9.7 11.2 - - - - - - 29.84 -
20:30 50 57 73 North 9.7 11.2 - - - - - - 29.84 -
21:00 50 57 74 North 11.7 13.4 - - - - - - 29.84 -
21:50 49 57 77 North 11.7 13.4 9 6.89 exactly 6.9 5 3.28 2.46 - 4.10 9 6.56 5.74 - 7.38 29.84 -
22:00 49
-
76 North 11.7 13.4 - - - - - - 29.83 -
22:10 49 57 75 North 11.7 13.4 - - - - - - 29.83 -
22:20 49 57 76 North 9.7 11.2 - - - - - - 29.84 -
22:40 49 57 76 North 9.7 11.2 - - - - - - 29.83 -
22:50 49 57 75 North 11.7 13.4 9 6.56 exactly 6.6 4 1.64 0.82 - 2.46 9 6.56 5.74 - 7.38 29.82 -
23:10 49 56 75 North 9.7 11.2 - - - - - - 29.81 -
23:40 49 56 74 NNE 9.7 11.2 - - - - - - 29.81 -
23:50 50 56 71 North 7.8 8.9 9 5.91 exactly 5.9 4 1.64 0.82 - 2.46 9 6.56 5.74 - 7.38 29.81 -
00:10 50 56 71 North 9.7 11.2 - - - - - - 29.78 -
00:20 50 56 72 North 9.7 11.2 - - - - - - 29.79 -
00:30 50 56 71 North 9.7 11.2 - - - - - - 29.78 -
00:50 50 56 73 North 11.7 13.4 9 6.23 exactly 6.2 4 1.64 0.82 - 2.46 9 6.56 5.74 - 7.38 29.76 -
01:00 50
-
73 North 13.6 15.7 - - - - - - 29.76 -
01:10 50
-
72 North 11.7 13.4 - - - - - - 29.78 -
01:30 50 56 71 North 9.7 11.2 - - - - - - 29.78 -
01:50 50 56 75 North 11.7 13.4 10 5.58 exactly 5.6 4 3.28 2.46 - 4.10 10 4.92 4.10 - 5.74 29.78 -
02:10 50 56 77 North 13.6 15.7 - - - - - - 29.78 -
02:30 50 55 77 North 15.6 17.9 - - - - - - 29.77 -
03:10 50 55 75 North 13.6 15.7 - - - - - - 29.77 -
03:20 50 55 76 North 13.6 15.7 - - - - - - 29.77 -
04:10 50 55 75 NNW 15.6 17.9 - - - - - - 29.78 -
04:20 50 55 75 NNW 15.6 17.9 - - - - - - 29.77 -
04:30 49 55 77 NNW 15.6 17.9 - - - - - - 29.78 -
04:40 50 55 74 North 15.6 17.9 - - - - - - 29.78 -
04:50 50 55 74 NNW 13.6 15.7 11 4.92 exactly 4.9 4 3.28 2.46 - 4.10 11 3.28 2.46 - 4.10 29.78 -
05:10 50 55 75 NNW 13.6 15.7 - - - - - - 29.78 -
05:20 50 55 76 NNW 13.6 15.7 - - - - - - 29.77 -
05:40 50 55 78 NNW 13.6 15.7 - - - - - - 29.78 -
06:00 50
-
78 NNW 13.6 15.7 - - - - - - 29.79 -
06:10 55
-
NNW 13.6 15.7 - - - - - - 29.79 -
06:30 50 55 78 NNW 13.6 15.7 - - - - - - 29.79 -
06:40 50 55 78 NNW 13.6 15.7 - - - - - - 29.79 -
06:50 50 55 78 NNW 13.6 15.7 9 4.92 exactly 4.9 7 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 29.80 -
07:20 50 56 76 NNW 15.6 17.9 - - - - - - 29.80 -
07:40 50 56 76 NNW 13.6 15.7 - - - - - - 29.81 -
07:50 49 56 79 NNW 15.6 17.9 10 5.58 exactly 5.6 7 3.28 2.46 - 4.10 10 3.28 2.46 - 4.10 29.81 -
08:20 49 56 79 NNW 15.6 17.9 - - - - - - 29.81 -
08:30 49 56 79 NNW 15.6 17.9 - - - - - - 29.81 -
09:00 49
-
80 NNW 13.6 15.7 - - - - - - 29.81 -
09:10 49 56 80 NNW 13.6 15.7 - - - - - - 29.81 -
09:50 49 56 80 North 11.7 13.4 9 4.92 exactly 4.9 4 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 29.81 -
10:00 48 56 84 North 13.6 15.7 - - - - - - 29.81 -
10:10 48 56 84 North 11.7 13.4 - - - - - - 29.80 -
10:30 48 56 84 North 15.6 17.9 - - - - - - 29.80 -
10:40 48 56 83 North 15.6 17.9 - - - - - - 29.79 -
11:30 49 56 76 North 15.6 17.9 - - - - - - 29.79 -
11:40 48 56 80 North 15.6 17.9 - - - - - - 29.79 -
11:50 49 56 76 North 15.6 17.9 9 5.58 exactly 5.6 5 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 29.79 -
12:10 49 56 76 North 15.6 17.9 - - - - - - 29.78 -
12:20 49 56 77 North 17.5 20.1 - - - - - - 29.78 -
12:30 48 56 80 North 17.5 20.1 - - - - - - 29.79 -
13:00 48
-
78 North 19.4 22.4 - - - - - - 29.78 -
13:30 48 55 77 North 19.4 22.4 - - - - - - 29.78 -
13:40 48 55 75 North 19.4 22.4 - - - - - - 29.78 -
14:10 48 55 73 North 17.5 20.1 - - - - - - 29.80 -
14:30 48 55 70 North 17.5 20.1 - - - - - - 29.80 -
14:40 48 55 70 North 15.6 17.9 - - - - - - 29.81 -
14:50 47 55 75 North 17.5 20.1 5 4.92 exactly 4.9 5 4.92 4.10 - 5.74 9 3.28 2.46 - 4.10 29.81 -
15:00 47
-
77 North 19.4 22.4 - - - - - - 29.80 -
15:20 46 55 84 North 19.4 22.4 - - - - - - 29.81 -
15:30 47
-
81 NNW 19.4 22.4 - - - - - - 29.81 -
15:40 47 55 79 North 19.4 22.4 - - - - - - 29.81 -
16:10 47 55 79 NNW 21.4 24.6 - - - - - - 29.81 -
16:20 47 55 79 NNW 21.4 24.6 - - - - - - 29.82 -
18:00 47 55 77 NNW 23.3 26.8 - - - - - - 29.86 -
18:20 46 56 82 NNW 23.3 26.8 - - - - - - 29.86 -
18:50 46 55 79 NNW 21.4 24.6 6 7.55 exactly 7.5 6 8.20 7.38 - 9.02 16 1.64 0.82 - 2.46 29.87 -
19:30 47
-
75 NNW 21.4 24.6 - - - - - - 29.88 -
19:50 46 56 78 NNW 23.3 26.8 6 6.89 exactly 6.9 6 6.56 5.74 - 7.38 10 1.64 0.82 - 2.46 29.88 -
20:00 46
-
79 NNW 21.4 24.6 - - - - - - 29.88 -
20:10 46 56 80 NNW 21.4 24.6 - - - - - - 29.88 -
20:20 47 56 77 NNW 21.4 24.6 - - - - - - 29.88 -
20:30 46 55 80 NNW 23.3 26.8 - - - - - - 29.88 -
21:10 46 55 80 NNW 21.4 24.6 - - - - - - 29.89 -
21:30 46 56 81 NNW 23.3 26.8 - - - - - - 29.89 -
21:50 46 56 81 NNW 23.3 26.8 6 7.55 exactly 7.5 6 6.56 5.74 - 7.38 9 1.64 0.82 - 2.46 29.90 -
22:30 45 55 82 NNW 23.3 26.8 - - - - - - 29.90 -
22:50 46 55 77 NNW 23.3 26.8 6 7.87 exactly 7.9 6 8.20 7.38 - 9.02 14 1.64 0.82 - 2.46 29.90 -
23:00 46
-
76 NNW 23.3 26.8 - - - - - - 29.91 -
23:20 46 55 75 North 23.3 26.8 - - - - - - 29.91 -
23:30 46 55 72 NNW 23.3 26.8 - - - - - - 29.91 -
23:40 46 55 76 NNW 23.3 26.8 - - - - - - 29.91 -
00:30 45
-
78 NNW 23.3 26.8 - - - - - - 29.91 -
00:50 45 55 78 NNW 21.4 24.6 7 7.55 exactly 7.5 7 8.20 7.38 - 9.02 13 1.64 0.82 - 2.46 29.92 -
01:20 45 55 79 NNW 23.3 26.8 - - - - - - 29.93 -
01:30 45 55 79 NNW 23.3 26.8 - - - - - - 29.93 -
01:50 45 55 76 NNW 23.3 26.8 8 7.22 exactly 7.2 8 6.56 5.74 - 7.38 15 1.64 0.82 - 2.46 29.93 -
02:10 46 55 74 NNW 23.3 26.8 - - - - - - 29.93 -
02:40 46 55 75 NNW 23.3 26.8 - - - - - - 29.93 -
03:10 46 55 74 North 23.3 26.8 - - - - - - 29.94 -
03:40 46 55 72 NNW 25.3 29.1 - - - - - - 29.94 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 246 ft 7.87 ft 10.0 sec 7.2 sec 0.6 sec 2400 sec
00:00 246 ft 6.07 ft 9.1 sec 6.7 sec 0.6 sec 2400 sec
03:00 246 ft 5.18 ft 9.1 sec 6.4 sec 0.6 sec 2400 sec
05:00 246 ft 5.02 ft 10.8 sec 5.6 sec 0.6 sec 2400 sec
16:00 246 ft 5.58 ft 5.3 sec 5.0 sec 0.6 sec 2400 sec
17:00 246 ft 5.81 ft 5.9 sec 5.0 sec 0.6 sec 2400 sec
21:00 246 ft 7.12 ft 6.7 sec 5.2 sec 0.6 sec 2400 sec
22:00 246 ft 7.48 ft 6.3 sec 5.2 sec 0.6 sec 2400 sec
03:00 246 ft 8.10 ft 7.1 sec 5.7 sec 0.6 sec 2400 sec