NANTUCKET SOUND (44020)

Conditions for Saturday

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Marine Data Graph

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General Information

Location: 41.443 North -70.186 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D84
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/
For area forecasts and warnings, select: Boston WFO

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)
20:50 47 46 92 South 5.8 6.7 4 0.98 exactly 1.0 - - - - - - 30.09 -0.02
21:50 47 46 92 WSW 3.9 4.5 0.66 exactly 0.7 - - - - - - 30.09 -0.01
22:50 47 46 95 SW 3.9 4.5 0.66 exactly 0.7 - - - - - - 30.08 -0.02
23:50 47 46 95 SSW 3.9 4.5 0.66 exactly 0.7 - - - - - - 30.07 -0.02
00:50 46 46 99 South 5.8 6.7 0.66 exactly 0.7 - - - - - - 30.06 -0.04
01:50 46 46 100 SSE 3.9 4.5 0.66 exactly 0.7 - - - - - - 30.05 -0.03
02:50 46 45 99 SE 3.9 4.5 0.66 exactly 0.7 - - - - - - 30.04 -
03:50 46 45 100 SE 3.9 4.5 0.66 exactly 0.7 - - - - - - 30.02 -0.03
04:50 47 46 98 SE 7.8 8.9 0.66 exactly 0.7 - - - - - - 30.01 -
05:50 47 46 100 SE 7.8 8.9 11 0.98 exactly 1.0 - - - 11 1.64 0.82 - 2.46 30.00 -
06:50 47 46 99 East 5.8 6.7 5 0.98 exactly 1.0 - - - - - - 30.00 -
07:50 47 46 100 East 11.7 13.4 5 0.98 exactly 1.0 5 1.64 0.82 - 2.46 - - - 29.96 -
08:50 48 46 100 ESE 11.7 13.4 5 0.98 exactly 1.0 - - - - - - 29.94 -0.06
09:50 49 46 99 SE 11.7 13.4 5 0.98 exactly 1.0 - - - - - - 29.91 -
10:50 52 46 98 South 13.6 15.7 2 1.31 exactly 1.3 3 1.64 0.82 - 2.46 - - - 29.88 -
11:50 50 46 100 South 9.7 11.2 3 1.64 exactly 1.6 3 1.64 0.82 - 2.46 - - - 29.85 -
12:50 51 47 98 SSW 11.7 13.4 3 1.64 exactly 1.6 3 1.64 0.82 - 2.46 - - - 29.83 -
13:50 50 46 99 WSW 9.7 11.2 3 1.31 exactly 1.3 3 1.64 0.82 - 2.46 - - - 29.83 -0.05
14:50 49 46 100 West 7.8 8.9 4 0.98 exactly 1.0 - - - - - - 29.84 -
15:50 47 46 99 North 5.8 6.7 4 0.98 exactly 1.0 - - - - - - 29.87 +0.04
16:50 46 46 100 NW 1.9 2.2 5 0.98 exactly 1.0 - - - - - - 29.88 +0.05
17:50 46 46 97 NNW 5.8 6.7 6 0.98 exactly 1.0 - - - 6 1.64 0.82 - 2.46 29.89 +0.05
18:50 45 46 100 NW 5.8 6.7 6 1.31 exactly 1.3 - - - 6 1.64 0.82 - 2.46 29.91 +0.04
19:50 45 46 100 West 3.9 4.5 8 0.98 exactly 1.0 - - - 8 1.64 0.82 - 2.46 29.93 +0.05
20:50 46 46 98 SSW 5.8 6.7 8 0.98 exactly 1.0 - - - - - - 29.94 +0.04
21:50 47 46 100 WSW 5.8 6.7 0.66 exactly 0.7 - - - - - - 29.94 +0.03
22:50 47 46 100 WSW 7.8 8.9 0.66 exactly 0.7 - - - - - - 29.96 +0.03
23:50 47 46 100 WSW 7.8 8.9 0.66 exactly 0.7 - - - - - - 29.97 +0.04
00:50 47 46 100 West 9.7 11.2 8 0.98 exactly 1.0 - - - - - - 29.98 +0.04
01:50 47 46 100 West 11.7 13.4 9 0.98 exactly 1.0 6 1.64 0.82 - 2.46 - - - 30.00 +0.05
02:50 47 46 100 West 11.7 13.4 4 0.98 exactly 1.0 4 1.64 0.82 - 2.46 - - - 30.02 +0.05
03:50 47 46 100 WNW 11.7 13.4 4 0.98 exactly 1.0 4 1.64 0.82 - 2.46 - - - 30.04 +0.06

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 33 ft 0.95 ft 12.1 sec 3.6 sec 0.6 sec 2400 sec
21:00 33 ft 0.85 ft 4.0 sec 3.9 sec 0.6 sec 2400 sec
22:00 33 ft 0.75 ft 4.4 sec 0.6 sec 2400 sec
23:00 33 ft 0.72 ft 5.0 sec 0.6 sec 2400 sec
00:00 33 ft 0.62 ft 4.5 sec 0.6 sec 2400 sec
01:00 33 ft 0.59 ft 3.8 sec 0.6 sec 2400 sec
02:00 33 ft 0.59 ft 3.7 sec 0.6 sec 2400 sec
03:00 33 ft 0.59 ft 3.7 sec 0.6 sec 2400 sec
04:00 33 ft 0.59 ft 4.1 sec 0.6 sec 2400 sec
05:00 33 ft 0.75 ft 4.7 sec 0.6 sec 2400 sec
06:00 33 ft 1.02 ft 10.8 sec 4.5 sec 0.6 sec 2400 sec
07:00 33 ft 1.05 ft 4.5 sec 4.0 sec 0.6 sec 2400 sec
08:00 33 ft 0.92 ft 5.0 sec 3.9 sec 0.6 sec 2400 sec
09:00 33 ft 0.82 ft 5.3 sec 3.7 sec 0.6 sec 2400 sec
10:00 33 ft 0.85 ft 5.0 sec 3.1 sec 0.6 sec 2400 sec
12:00 33 ft 1.57 ft 2.9 sec 3.1 sec 0.6 sec 2400 sec
13:00 33 ft 1.48 ft 3.1 sec 3.1 sec 0.6 sec 2400 sec
14:00 33 ft 1.21 ft 2.9 sec 3.1 sec 0.6 sec 2400 sec
15:00 33 ft 0.98 ft 4.3 sec 3.2 sec 0.6 sec 2400 sec
17:00 33 ft 0.95 ft 5.0 sec 3.7 sec 0.6 sec 2400 sec
18:00 33 ft 1.02 ft 6.3 sec 4.2 sec 0.6 sec 2400 sec
19:00 33 ft 1.18 ft 5.9 sec 4.3 sec 0.6 sec 2400 sec
20:00 33 ft 1.05 ft 7.7 sec 4.3 sec 0.6 sec 2400 sec
21:00 33 ft 0.85 ft 7.7 sec 4.3 sec 0.6 sec 2400 sec
22:00 33 ft 0.79 ft 4.8 sec 0.6 sec 2400 sec
23:00 33 ft 0.75 ft 5.2 sec 0.6 sec 2400 sec
01:00 33 ft 0.89 ft 7.7 sec 4.3 sec 0.6 sec 2400 sec
02:00 33 ft 0.98 ft 9.1 sec 3.3 sec 0.6 sec 2400 sec
03:00 33 ft 0.95 ft 3.7 sec 3.3 sec 0.6 sec 2400 sec