NANTUCKET 54NM Southeast of Nantucket (44008)

Conditions for Friday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 51° F
Humidity: 78
Wind direction (W Dir): SSW (205 - 214 Degrees)
Wind Speed (W Spd): 15.6 kts (17.9 mph)
Wind Gust (W Spd): 19.4 kts (22.4 mph)
Atmospheric Pressure (AP): 29.99 in

Updated: 8:30 PM EST on December 06, 2019

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Current Wave Detail Observations

Water Depth: 246 ft
Wave Height: 5.84 ft
Spectral Peak Period: 7.7 sec
Average Wave Period: 4.9 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 7:00 PM EST on December 06, 2019

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)
20:30 43
-
44 NW 23.3 26.8 - - - - - - 29.88 -
20:50 43
-
43 NW 25.3 29.1 8 9.51 exactly 9.5 8 9.84 9.02 - 10.66 - - - 29.89 -
21:00 43
-
43 NW 23.3 26.8 - - - - - - 29.89 -
21:30 42
-
48 NW 23.3 26.8 - - - - - - 29.90 -
22:00 42
-
46 WNW 27.2 31.3 - - - - - - 29.91 -
23:00 41
-
44 WNW 27.2 31.3 - - - - - - 29.94 -
00:50 41
-
51 WNW 25.3 29.1 9 12.14 exactly 12.1 9 11.48 10.66 - 12.30 - - - 29.99 -
01:00 41
-
53 WNW 25.3 29.1 - - - - - - 29.99 -
01:10 40
-
56 WNW 25.3 29.1 - - - - - - 30.00 -
02:00 40
-
55 WNW 23.3 26.8 - - - - - - 30.02 -
02:40 40
-
52 WNW 25.3 29.1 - - - - - - 30.04 -
03:00 39
-
55 WNW 27.2 31.3 - - - - - - 30.05 -
03:10 38
-
65 WNW 27.2 31.3 - - - - - - 30.06 -
03:20 38
-
66 WNW 23.3 26.8 - - - - - - 30.06 -
03:40 39
-
58 WNW 23.3 26.8 - - - - - - 30.06 -
04:10 39
-
57 WNW 23.3 26.8 - - - - - - 30.07 -
04:40 38
-
59 NW 23.3 26.8 - - - - - - 30.09 -
06:10 39
-
56 WNW 21.4 24.6 - - - - - - 30.13 -
06:20 39
-
57 WNW 21.4 24.6 - - - - - - 30.13 -
07:00 38
-
58 WNW 21.4 24.6 - - - - - - 30.15 -
07:10 38
-
58 WNW 21.4 24.6 - - - - - - 30.15 -
07:40 39
-
55 WNW 21.4 24.6 - - - - - - 30.15 -
08:10 39
-
54 WNW 19.4 22.4 - - - - - - 30.17 -
08:50 39
-
56 WNW 17.5 20.1 8 8.86 exactly 8.9 7 6.56 5.74 - 7.38 8 4.92 4.10 - 5.74 30.18 -
09:10 40
-
56 West 17.5 20.1 - - - - - - 30.19 -
09:20 40
-
55 West 15.6 17.9 - - - - - - 30.19 -
10:20 41
-
57 West 15.6 17.9 - - - - - - 30.18 -
11:40 43
-
58 West 15.6 17.9 - - - - - - 30.14 -
13:10 44
-
61 WSW 15.6 17.9 - - - - - - 30.09 -
14:30 46
-
57 WSW 17.5 20.1 - - - - - - 30.09 -
15:10 47
-
60 WSW 17.5 20.1 - - - - - - 30.07 -
15:40 47
-
64 WSW 15.6 17.9 - - - - - - 30.07 -
15:50 47
-
65 WSW 15.6 17.9 8 5.91 exactly 5.9 8 4.92 4.10 - 5.74 14 3.28 2.46 - 4.10 30.07 -
16:10 48
-
64 SW 15.6 17.9 - - - - - - 30.06 -
17:50 50
-
65 SW 17.5 20.1 8 5.58 exactly 5.6 7 4.92 4.10 - 5.74 8 1.64 0.82 - 2.46 30.06 -
18:50 51
-
68 SW 17.5 20.1 8 5.91 exactly 5.9 8 6.56 5.74 - 7.38 - - - 30.03 -
19:20 51
-
70 SW 17.5 20.1 - - - - - - 30.02 -
19:30 51
-
70 SW 17.5 20.1 - - - - - - 30.01 -
20:10 51
-
77 SSW 15.6 17.9 - - - - - - 29.99 -
20:30 51
-
78 SSW 15.6 17.9 - - - - - - 29.99 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
08:00 246 ft 9.74 ft 7.7 sec 6.0 sec 0.6 sec 2400 sec
10:00 246 ft 7.91 ft 8.3 sec 6.0 sec 0.6 sec 2400 sec
16:00 246 ft 6.04 ft 7.7 sec 5.4 sec 0.6 sec 2400 sec
17:00 246 ft 5.61 ft 7.1 sec 5.3 sec 0.6 sec 2400 sec
19:00 246 ft 5.84 ft 7.7 sec 4.9 sec 0.6 sec 2400 sec