NANTUCKET SOUND (44020)

Conditions for Saturday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 54° F
Humidity: 97
Wind direction (W Dir): South (175 - 184 Degrees)
Wind Speed (W Spd): 23.3 kts (26.8 mph)
Wind Gust (W Spd): 27.2 kts (31.3 mph)

Updated: 9:10 PM EDT on April 20, 2019

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Current Wave Detail Observations

Water Depth: 46 ft
Wave Height: 3.58 ft
Spectral Peak Period: 4.5 sec
Average Wave Period: 3.7 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 9:00 PM EDT on April 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)
20:00 53 47 94 South 19.4 22.4 - - - 29.90 +0.01
20:20 53
-
94 South 21.4 24.6 - - -
-
-
20:40 53 47 97 South 19.4 22.4 - - - 29.91 -
20:50 53 47 98 South 19.4 22.4 4 2.30 exactly 2.3 4 1.64 0.82 - 2.46 29.91 -
21:20 53 47 94 South 19.4 22.4 - - - 29.91 -
21:30 53 47 94 South 17.5 20.1 - - - 29.91 -
21:40 53 47 96 South 17.5 20.1 - - - 29.91 -
21:50 53 47 96 South 19.4 22.4 3 2.62 exactly 2.6 3 3.28 2.46 - 4.10 29.91 -
22:10 53 47 96 South 19.4 22.4 - - - 29.91 -
22:20 53 47 96 South 17.5 20.1 - - - 29.91 -
22:30 53 47 96 South 17.5 20.1 - - - 29.90 -
22:40 53 47 99 South 19.4 22.4 - - - 29.90 -
23:00 52 47 99 South 17.5 20.1 - - - 29.89 -
23:10 52 47 99 South 17.5 20.1 - - - 29.89 -
23:40 52 47 97 South 17.5 20.1 - - - 29.89 -
23:50 52 47 96 South 17.5 20.1 4 2.30 exactly 2.3 4 1.64 0.82 - 2.46 29.89 -
00:00 52 47 97 South 17.5 20.1 - - - 29.89 -0.02
00:20 53 47 95 South 17.5 20.1 - - - 29.88 -
00:40 53 47 100 South 19.4 22.4 - - - 29.87 -
00:50 54 47 100 South 19.4 22.4 4 2.62 exactly 2.6 4 1.64 0.82 - 2.46 29.87 -
01:00 54 47 100 South 19.4 22.4 - - - 29.87 -0.04
01:10 54 47 98 South 19.4 22.4 - - - 29.87 -
01:20 54 47 99 South 19.4 22.4 - - - 29.87 -
01:40 54 47 98 South 19.4 22.4 - - - 29.87 -
01:50 54 47 100 South 21.4 24.6 4 2.95 exactly 3.0 4 3.28 2.46 - 4.10 29.86 -
02:10 54 48 99 South 21.4 24.6 - - - 29.86 -
02:20 53 48 100 South 21.4 24.6 - - - 29.86 -
02:30 53 48 100 South 19.4 22.4 - - - 29.86 -
02:40 53 48 99 South 19.4 22.4 - - - 29.86 -
03:10 54 48 98 South 21.4 24.6 - - - 29.86 -
03:30 53 47 99 South 19.4 22.4 - - - 29.86 -
03:40 54 47 96 South 19.4 22.4 - - - 29.86 -
04:10 53 47 100 South 21.4 24.6 - - - 29.85 -
04:20 53 47 100 South 21.4 24.6 - - - 29.86 -
04:30 53 47 100 South 21.4 24.6 - - - 29.86 -
04:40 53 47 99 South 19.4 22.4 - - - 29.86 -
04:50 53 47 99 South 19.4 22.4 4 2.95 exactly 3.0 4 3.28 2.46 - 4.10 29.86 -
05:10 53 47 100 South 21.4 24.6 - - - 29.86 -
05:20 53 47 99 South 19.4 22.4 - - - 29.87 -
05:40 53 47 99 South 21.4 24.6 - - - 29.87 -
05:50 53 47 100 South 21.4 24.6 4 2.62 exactly 2.6 4 3.28 2.46 - 4.10 29.87 -
06:10 53 47 100 South 21.4 24.6 - - - 29.88 -
06:20 54 47 96 South 19.4 22.4 - - - 29.88 -
06:30 54 47 96 South 19.4 22.4 - - - 29.88 -
06:40 54 47 97 South 21.4 24.6 - - - 29.88 -
07:00 54 47 98 South 21.4 24.6 - - - 29.89 +0.04
07:10 54 47 100 South 21.4 24.6 - - - 29.89 -
07:20 54 47 100 South 21.4 24.6 - - - 29.89 -
07:30 54 47 99 South 21.4 24.6 - - - 29.90 -
07:40 54 47 98 South 21.4 24.6 - - - 29.90 -
07:50 54 47 98 South 21.4 24.6 4 3.28 exactly 3.3 4 3.28 2.46 - 4.10 29.90 -
08:00 54
-
98 South 21.4 24.6 - - - 29.90 +0.04
08:10 54 47 99 South 21.4 24.6 - - - 29.91 -
08:20 54 47 100 South 23.3 26.8 - - - 29.91 -
08:30 54 48 98 South 21.4 24.6 - - - 29.91 -
08:40 54 48 98 South 19.4 22.4 - - - 29.91 -
08:50 53 48 100 South 17.5 20.1 4 2.95 exactly 3.0 4 3.28 2.46 - 4.10 29.91 -
09:30 54 48 100 South 23.3 26.8 - - - 29.92 -
09:40 53 48 100 South 21.4 24.6 - - - 29.93 -
10:40 54 48 100 South 21.4 24.6 - - - 29.95 -
10:50 55 48 99 South 21.4 24.6 4 3.28 exactly 3.3 4 3.28 2.46 - 4.10 29.96 -
11:00 55 48 97 South 19.4 22.4 - - - 29.96 +0.05
11:10 54 48 100 South 21.4 24.6 - - - 29.95 -
11:20 54 48 100 South 21.4 24.6 - - - 29.95 -
11:30 54 48 100 South 21.4 24.6 - - - 29.96 -
11:40 54 48 98 South 21.4 24.6 - - - 29.96 -
12:10 54 48 98 South 21.4 24.6 - - - 29.96 -
12:20 54 48 98 South 21.4 24.6 - - - 29.96 -
12:30 54 48 98 South 21.4 24.6 - - - 29.96 -
12:40 55 48 94 South 21.4 24.6 - - - 29.96 -
12:50 54 48 97 South 21.4 24.6 4 3.61 exactly 3.6 4 3.28 2.46 - 4.10 29.96 -
13:00 54 48 97 South 21.4 24.6 - - - 29.96 +0.02
13:10 55 48 93 South 21.4 24.6 - - - 29.96 -
13:20 55 48 94 South 23.3 26.8 - - - 29.96 -
13:30 55 48 94 South 21.4 24.6 - - - 29.96 -
13:40 55 48 93 South 21.4 24.6 - - - 29.96 -
13:50 55 48 93 South 23.3 26.8 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 29.96 -
14:10 55 48 93 South 21.4 24.6 - - - 29.97 -
14:20 54 48 96 South 21.4 24.6 - - - 29.96 -
14:40 55 48 93 South 21.4 24.6 - - - 29.96 -
14:50 55 48 94 South 21.4 24.6 5 3.61 exactly 3.6 5 3.28 2.46 - 4.10 29.96 -
15:10 55 48 93 South 21.4 24.6 - - - 29.95 -
15:20 55 48 94 South 21.4 24.6 - - - 29.95 -
15:30 55 48 93 South 21.4 24.6 - - -
-
-
15:40 55 48 94 South 21.4 24.6 - - - 29.94 -
15:50 56 48 93 South 23.3 26.8 4 3.28 exactly 3.3 4 3.28 2.46 - 4.10 29.94 -
16:10 56 48 93 South 23.3 26.8 - - - 29.94 -
16:30 56 48 91 South 23.3 26.8 - - - 29.94 -
16:50 55 48 94 South 23.3 26.8 4 3.61 exactly 3.6 4 3.28 2.46 - 4.10 29.95 -
17:00 55
-
94 South 23.3 26.8 - - - 29.95 -0.01
17:10 55 48 93 South 23.3 26.8 - - - 29.96 -
17:20 56 48 91 South 25.3 29.1 - - - 29.95 -
17:50 55 48 94 South 21.4 24.6 5 4.27 exactly 4.3 5 3.28 2.46 - 4.10 29.97 -
18:10 55 48 95 South 21.4 24.6 - - - 29.98 -
18:20 55 48 93 SSE 21.4 24.6 - - - 29.98 -
18:30 55 48 94 South 21.4 24.6 - - - 29.98 -
18:40 55 48 96 SSE 21.4 24.6 - - - 29.97 -
18:50 55 48 96 SSE 21.4 24.6 5 3.61 exactly 3.6 5 3.28 2.46 - 4.10 29.97 -
19:10 55 48 97 SSE 23.3 26.8 - - - 29.97 -
19:20 55 48 96 SSE 21.4 24.6 - - - 29.97 -
19:30 55 48 96 SSE 21.4 24.6 - - - 29.98 -
19:40 55 48 97 South 21.4 24.6 - - - 29.98 -
19:50 56 48 93 South 21.4 24.6 4 2.95 exactly 3.0 4 3.28 2.46 - 4.10 29.98 -
20:00 56 48 93 South 23.3 26.8 - - - 29.99 +0.04
20:10 55 48 96 South 23.3 26.8 - - - 29.99 -
20:20 55
-
96 South 23.3 26.8 - - - 30.00 -
20:30 55 48 95 South 23.3 26.8 - - - 30.01 -
20:40 54 48 97 South 21.4 24.6 - - - 30.02 -
20:50
-
-
South 21.4 24.6 5 3.61 exactly 3.6 5 3.28 2.46 - 4.10 30.02 -
21:10 49
-
South 21.4 24.6 - - - 30.02 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
21:00 46 ft 2.33 ft 3.7 sec 3.2 sec 0.6 sec 2400 sec
22:00 46 ft 2.49 ft 3.4 sec 3.3 sec 0.6 sec 2400 sec
02:00 46 ft 3.08 ft 4.0 sec 3.7 sec 0.6 sec 2400 sec
03:00 46 ft 2.85 ft 4.0 sec 3.7 sec 0.6 sec 2400 sec
04:00 46 ft 2.89 ft 4.0 sec 3.7 sec 0.6 sec 2400 sec
05:00 46 ft 2.79 ft 4.2 sec 3.6 sec 0.6 sec 2400 sec
09:00 46 ft 3.12 ft 4.2 sec 3.5 sec 0.6 sec 2400 sec
10:00 46 ft 2.99 ft 4.2 sec 3.5 sec 0.6 sec 2400 sec
12:00 46 ft 3.67 ft 4.5 sec 3.8 sec 0.6 sec 2400 sec
14:00 46 ft 3.77 ft 4.5 sec 3.9 sec 0.6 sec 2400 sec
16:00 46 ft 3.41 ft 4.2 sec 3.8 sec 0.6 sec 2400 sec
18:00 46 ft 4.10 ft 4.5 sec 4.0 sec 0.6 sec 2400 sec
19:00 46 ft 3.58 ft 4.5 sec 3.8 sec 0.6 sec 2400 sec
21:00 46 ft 3.58 ft 4.5 sec 3.7 sec 0.6 sec 2400 sec