NANTUCKET 54NM Southeast of Nantucket (44008)

Conditions for Sunday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 71° F
Humidity: 96
Wind direction (W Dir): SW (225 - 234 Degrees)
Wind Speed (W Spd): 9.7 kts (11.2 mph)
Wind Gust (W Spd): 9.7 kts (11.2 mph)
Atmospheric Pressure (AP): 29.78 in

Updated: 5:30 PM EDT on July 21, 2019

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Current Wave Detail Observations

Water Depth: 246 ft
Wave Height: 3.08 ft
Spectral Peak Period: 5.6 sec
Average Wave Period: 4.6 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 5:00 PM EDT on July 21, 2019

General Information

Location: 40.503 North -69.248 West
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)
20:20 70 66 97 SW 9.7 11.2 - - - - - - 29.84 -
20:30 70 66 97 SW 9.7 11.2 - - - - - - 29.84 -
20:40 70 66 98 SW 9.7 11.2 - - - - - - 29.84 -
20:50 70 66 98 SW 7.8 8.9 6 2.95 exactly 3.0 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.85 -
21:10 69 66 100 SW 7.8 8.9 - - - - - - 29.86 -
21:20 69 66 100 SW 7.8 8.9 - - - - - - 29.86 -
21:30 69 66 100 SW 9.7 11.2 - - - - - - 29.86 -
22:00 69 66 100 SSW 11.7 13.4 - - - - - - 29.84 -
22:10 70 66 97 SW 11.7 13.4 - - - - - - 29.84 -
22:20 70 66 97 SW 11.7 13.4 - - - - - - 29.84 -
22:50 70 65 98 SW 11.7 13.4 8 2.95 exactly 3.0 5 1.64 0.82 - 2.46 8 1.64 0.82 - 2.46 29.84 -
23:00 70 66 97 SW 9.7 11.2 - - - - - - 29.83 -
23:10 70 66 98 SW 9.7 11.2 - - - - - - 29.83 -
23:30 70 66 99 SW 11.7 13.4 - - - - - - 29.83 -
23:40 70 66 99 SW 11.7 13.4 - - - - - - 29.82 -
00:10 70 66 100 SW 11.7 13.4 - - - - - - 29.81 -
00:20 70 66 99 SW 11.7 13.4 - - - - - - 29.81 -
00:30 70 66 98 SW 11.7 13.4 - - - - - - 29.81 -
00:40 70 66 99 SW 11.7 13.4 - - - - - - 29.81 -
00:50 70 66 99 SW 11.7 13.4 7 2.95 exactly 3.0 5 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 29.81 -
01:00 70 66 100 SW 11.7 13.4 - - - - - - 29.81 -
01:20 70 66 99 SW 11.7 13.4 - - - - - - 29.81 -
01:30 70 66 99 SW 9.7 11.2 - - - - - - 29.81 -
01:40 70 66 98 SW 9.7 11.2 - - - - - - 29.81 -
01:50 70 66 97 SW 9.7 11.2 7 2.95 exactly 3.0 4 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 29.80 -
02:10 70 66 98 SW 9.7 11.2 - - - - - - 29.80 -
02:20 70 66 99 SW 11.7 13.4 - - - - - - 29.80 -
02:40 70 66 99 SW 11.7 13.4 - - - - - - 29.79 -
02:50 70 66 99 SW 11.7 13.4 7 2.62 exactly 2.6 5 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 29.79 -
03:10 70 66 98 SW 11.7 13.4 - - - - - - 29.80 -
03:20 70 66 97 SW 9.7 11.2 - - - - - - 29.79 -
03:40 70 66 100 SW 11.7 13.4 - - - - - - 29.78 -
04:00 71
-
97 SW 11.7 13.4 - - - - - - 29.79 -
04:10 71 66 97 SW 11.7 13.4 - - - - - - 29.78 -
04:20 71 66 97 SW 11.7 13.4 - - - - - - 29.79 -
04:30 70 66 100 SW 11.7 13.4 - - - - - - 29.79 -
04:50 70 66 97 SW 9.7 11.2 7 2.62 exactly 2.6 5 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 29.79 -
05:10 70 66 97 SW 9.7 11.2 - - - - - - 29.79 -
05:20 69 66 100 SW 9.7 11.2 - - - - - - 29.80 -
05:30 69 66 100 SW 9.7 11.2 - - - - - - 29.80 -
05:50 70 66 97 WSW 9.7 11.2 6 2.62 exactly 2.6 5 1.64 0.82 - 2.46 6 1.64 0.82 - 2.46 29.81 -
06:10 70 65 97 WSW 9.7 11.2 - - - - - - 29.81 -
06:20 70 65 97 SW 9.7 11.2 - - - - - - 29.81 -
06:30 70 65 97 WSW 11.7 13.4 - - - - - - 29.81 -
06:40 69 65 100 SW 9.7 11.2 - - - - - - 29.81 -
06:50 69 64 100 SW 9.7 11.2 7 2.95 exactly 3.0 5 1.64 0.82 - 2.46 7 3.28 2.46 - 4.10 29.80 -
07:10 69 64 100 SW 9.7 11.2 - - - - - - 29.80 -
07:20 69 64 100 SW 9.7 11.2 - - - - - - 29.80 -
07:30 69 64 99 SW 9.7 11.2 - - - - - - 29.80 -
07:40 69 64 98 SW 9.7 11.2 - - - - - - 29.80 -
08:10 69 63 99 SW 9.7 11.2 - - - - - - 29.80 -
08:40 69 63 100 SW 11.7 13.4 - - - - - - 29.79 -
08:50 69 63 98 SW 9.7 11.2 6 3.28 exactly 3.3 5 1.64 0.82 - 2.46 6 1.64 0.82 - 2.46 29.79 -
09:10 69 64 97 SW 9.7 11.2 - - - - - - 29.79 -
09:20 69 64 99 SW 9.7 11.2 - - - - - - 29.80 -
09:30 69 64 99 WSW 11.7 13.4 - - - - - - 29.81 -
09:50 69 64 99 WSW 9.7 11.2 6 3.28 exactly 3.3 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.81 -
10:00 69
-
99 WSW 9.7 11.2 - - - - - - 29.81 -
10:10 69 63 100 SW 11.7 13.4 - - - - - - 29.81 -
10:20 69 63 98 SW 9.7 11.2 - - - - - - 29.80 -
10:30 69 63 99 SW 11.7 13.4 - - - - - - 29.80 -
10:40 70 63 96 SW 11.7 13.4 - - - - - - 29.80 -
11:10 69 64 100 SW 11.7 13.4 - - - - - - 29.80 -
11:30 69 64 99 WSW 11.7 13.4 - - - - - - 29.81 -
11:40 70 64 95 SW 13.6 15.7 - - - - - - 29.80 -
11:50 70 64 95 WSW 11.7 13.4 5 2.95 exactly 3.0 5 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 29.81 -
12:00 70 64 95 SW 11.7 13.4 - - - - - - 29.80 -
12:10 70 64 95 SW 11.7 13.4 - - - - - - 29.80 -
12:30 70 65 95 WSW 11.7 13.4 - - - - - - 29.81 -
12:50 69 65 99 SW 11.7 13.4 5 3.28 exactly 3.3 5 3.28 2.46 - 4.10 6 1.64 0.82 - 2.46 29.80 -
13:00 69 65 100 SW 11.7 13.4 - - - - - - 29.79 -
13:10 69 65 100 SW 11.7 13.4 - - - - - - 29.79 -
13:20 69 64 100 SW 9.7 11.2 - - - - - - 29.78 -
13:30 69 65 100 SW 9.7 11.2 - - - - - - 29.78 -
13:40 69 64 100 SW 9.7 11.2 - - - - - - 29.78 -
13:50 70 65 96 SW 11.7 13.4 5 2.95 exactly 3.0 5 1.64 0.82 - 2.46 6 1.64 0.82 - 2.46 29.78 -
14:00 70 65 97 SW 9.7 11.2 - - - - - - 29.78 -
14:20 70 65 97 SW 9.7 11.2 - - - - - - 29.78 -
14:30 70 65 97 SW 9.7 11.2 - - - - - - 29.78 -
14:40 70 65 97 SW 9.7 11.2 - - - - - - 29.78 -
14:50 70 65 97 SW 9.7 11.2 6 3.28 exactly 3.3 5 1.64 0.82 - 2.46 6 1.64 0.82 - 2.46 29.78 -
15:10 71 66 95 SW 9.7 11.2 - - - - - - 29.78 -
15:20 70 66 98 SW 9.7 11.2 - - - - - - 29.78 -
15:30 70 66 98 SW 9.7 11.2 - - - - - - 29.78 -
15:50 71 66 96 SW 9.7 11.2 5 2.95 exactly 3.0 4 1.64 0.82 - 2.46 5 1.64 0.82 - 2.46 29.78 -
16:00 71 66 95 SW 9.7 11.2 - - - - - - 29.78 -
16:10 71 67 95 SW 9.7 11.2 - - - - - - 29.78 -
16:20 71 67 97 SW 11.7 13.4 - - - - - - 29.78 -
16:30 71 67 96 SW 11.7 13.4 - - - - - - 29.78 -
16:40 71 67 97 SW 11.7 13.4 - - - - - - 29.78 -
16:50 71 67 97 SW 11.7 13.4 6 2.95 exactly 3.0 6 1.64 0.82 - 2.46 6 1.64 0.82 - 2.46 29.78 -
17:10 71 67 97 SW 9.7 11.2 - - - - - - 29.78 -
17:30 71 67 96 SW 9.7 11.2 - - - - - - 29.78 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 246 ft 2.89 ft 5.9 sec 4.9 sec 0.6 sec 2400 sec
21:00 246 ft 2.99 ft 5.6 sec 5.0 sec 0.6 sec 2400 sec
00:00 246 ft 2.92 ft 6.7 sec 4.7 sec 0.6 sec 2400 sec
02:00 246 ft 2.85 ft 6.7 sec 4.9 sec 0.6 sec 2400 sec
03:00 246 ft 2.69 ft 6.7 sec 4.7 sec 0.6 sec 2400 sec
05:00 246 ft 2.59 ft 6.7 sec 4.7 sec 0.6 sec 2400 sec
06:00 246 ft 2.59 ft 6.3 sec 4.9 sec 0.6 sec 2400 sec
07:00 246 ft 3.05 ft 6.7 sec 5.1 sec 0.6 sec 2400 sec
08:00 246 ft 3.18 ft 6.3 sec 5.1 sec 0.6 sec 2400 sec
09:00 246 ft 3.25 ft 5.9 sec 5.2 sec 0.6 sec 2400 sec
11:00 246 ft 3.51 ft 5.3 sec 4.9 sec 0.6 sec 2400 sec
15:00 246 ft 3.15 ft 6.3 sec 4.5 sec 0.6 sec 2400 sec
17:00 246 ft 3.08 ft 5.6 sec 4.6 sec 0.6 sec 2400 sec