BOSTON NM East of Boston, MA (44013)

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 42° F
Humidity: 41
Wind direction (W Dir): NW (315 - 324 Degrees)
Wind Speed (W Spd): 23.3 kts (26.8 mph)
Wind Gust (W Spd): 29.2 kts (33.6 mph)
Dominant Wave Period (DWP): 4 sec
Dominant Wave Height (DWH): 4.27 ft
Dominant Wave Range (DWR): exactly 4.3 ft
Wind Wave Period (WWP): 4 sec
Wind Wave Height (WWH): 4.92 ft
Wind Wave Range (WWR): 4.10 - 5.74 ft
Wave Swell Period (WSP): 11 sec
Wave Swell Height (WSH): 1.64 ft
Wave Swell Range (WSR): 0.82 - 2.46 ft
Atmospheric Pressure (AP): 29.98 in
Pressure Tendency (PT): +0.10 in
Increasing, then steady; or increasing, then increasing more slowly

Updated: 8:50 PM EDT on October 21, 2018

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Current Wave Detail Observations

Water Depth: 210 ft
Wave Height: 4.43 ft
Spectral Peak Period: 4.2 sec
Average Wave Period: 4.3 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 10:00 PM EDT on October 21, 2018

General Information

Location: 42.346 North -70.651 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D85
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   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 57 57 65 SW 11.7 13.4 3 0.98 exactly 1.0 - - - - - - 29.55 +0.01
21:50 55 57 66 SW 11.7 13.4 3 0.98 exactly 1.0 3 1.64 0.82 - 2.46 - - - 29.55 -
22:50 55 57 68 WSW 11.7 13.4 3 0.98 exactly 1.0 3 1.64 0.82 - 2.46 - - - 29.57 +0.02
23:50 54 57 71 WSW 9.7 11.2 3 0.98 exactly 1.0 3 1.64 0.82 - 2.46 - - - 29.57 +0.01
00:50 54 57 72 WSW 9.7 11.2 2 0.98 exactly 1.0 - - - - - - 29.56 -
01:50 53 57 73 West 9.7 11.2 2 0.98 exactly 1.0 - - - - - - 29.56 -0.01
02:50 53 57 67 NW 11.7 13.4 9 0.98 exactly 1.0 - - - - - -
-
-0.03
03:50 53 57 59 NNW 13.6 15.7 8 1.31 exactly 1.3 - - - 8 1.64 0.82 - 2.46
-
-0.02
04:50 52 57 57 North 19.4 22.4 8 1.64 exactly 1.6 3 1.64 0.82 - 2.46 8 1.64 0.82 - 2.46 29.55 -0.01
05:50 53 57 58 North 19.4 22.4 4 2.62 exactly 2.6 4 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 29.57 +0.04
06:50 51 57 62 North 21.4 24.6 4 2.95 exactly 3.0 4 3.28 2.46 - 4.10 9 1.64 0.82 - 2.46 29.60 +0.06
07:50 48 57 65 North 19.4 22.4 5 3.28 exactly 3.3 5 3.28 2.46 - 4.10 - - - 29.65 +0.11
08:50 48 57 58 NNW 25.3 29.1 5 3.28 exactly 3.3 5 3.28 2.46 - 4.10 10 1.64 0.82 - 2.46 29.68 +0.11
09:50 46 57 68 North 19.4 22.4 5 4.59 exactly 4.6 5 4.92 4.10 - 5.74 - - - 29.71 +0.11
10:50 47 57 56 NNW 17.5 20.1 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 10 1.64 0.82 - 2.46 29.72 +0.07
11:50 46 57 51 NW 21.4 24.6 6 4.27 exactly 4.3 6 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 29.73 +0.05
12:50 46 57 47 NW 21.4 24.6 5 4.59 exactly 4.6 5 4.92 4.10 - 5.74 10 1.64 0.82 - 2.46 29.74 +0.03
13:50 45 57 50 WNW 25.3 29.1 5 4.92 exactly 4.9 5 4.92 4.10 - 5.74 9 1.64 0.82 - 2.46 29.75 +0.03
14:50 45 57 47 NW 25.3 29.1 5 5.91 exactly 5.9 5 4.92 4.10 - 5.74 10 1.64 0.82 - 2.46 29.77 +0.04
15:50 44 57 47 NW 25.3 29.1 6 5.91 exactly 5.9 6 6.56 5.74 - 7.38 11 1.64 0.82 - 2.46 29.80 +0.06
16:50 44 57 43 NW 25.3 29.1 5 5.91 exactly 5.9 5 6.56 5.74 - 7.38 11 1.64 0.82 - 2.46 29.84 +0.09
17:50 44 57 44 NW 25.3 29.1 5 5.58 exactly 5.6 5 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 29.88 +0.11
18:50 43 57 41 NW 25.3 29.1 5 4.92 exactly 4.9 5 4.92 4.10 - 5.74 12 1.64 0.82 - 2.46 29.93 +0.12
19:50 43 57 44 NW 21.4 24.6 5 4.59 exactly 4.6 5 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 29.96 +0.12
20:50 42 57 41 NW 23.3 26.8 4 4.27 exactly 4.3 4 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 29.98 +0.10

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 210 ft 0.89 ft 2.6 sec 3.3 sec 0.6 sec 2400 sec
00:00 210 ft 1.12 ft 2.9 sec 3.0 sec 0.6 sec 2400 sec
01:00 210 ft 0.89 ft 2.5 sec 3.1 sec 0.6 sec 2400 sec
02:00 210 ft 0.89 ft 2.5 sec 3.1 sec 0.6 sec 2400 sec
03:00 210 ft 1.05 ft 9.1 sec 3.3 sec 0.6 sec 2400 sec
04:00 210 ft 1.18 ft 8.3 sec 3.5 sec 0.6 sec 2400 sec
05:00 210 ft 1.74 ft 8.3 sec 3.4 sec 0.6 sec 2400 sec
07:00 210 ft 3.05 ft 4.2 sec 3.7 sec 0.6 sec 2400 sec
09:00 210 ft 3.38 ft 5.0 sec 4.0 sec 0.6 sec 2400 sec
10:00 210 ft 4.49 ft 5.0 sec 4.1 sec 0.6 sec 2400 sec
11:00 210 ft 4.07 ft 5.6 sec 4.3 sec 0.6 sec 2400 sec
15:00 210 ft 5.87 ft 5.0 sec 4.6 sec 0.6 sec 2400 sec
18:00 210 ft 5.54 ft 4.8 sec 4.7 sec 0.6 sec 2400 sec
19:00 210 ft 4.99 ft 4.8 sec 4.5 sec 0.6 sec 2400 sec
20:00 210 ft 4.53 ft 4.5 sec 4.3 sec 0.6 sec 2400 sec
21:00 210 ft 4.33 ft 4.3 sec 4.2 sec 0.6 sec 2400 sec
22:00 210 ft 4.43 ft 4.2 sec 4.3 sec 0.6 sec 2400 sec