BOSTON NM East of Boston, MA (44013)

Conditions for Sunday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 47° F
Humidity: 39
Wind direction (W Dir): WSW (245 - 254 Degrees)
Wind Speed (W Spd): 25.3 kts (29.1 mph)
Wind Gust (W Spd): 31.1 kts (35.8 mph)
Dominant Wave Period (DWP): 5 sec
Dominant Wave Height (DWH): 5.25 ft
Dominant Wave Range (DWR): exactly 5.2 ft
Wind Wave Period (WWP): 5 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): 3.28 ft
Wave Swell Range (WSR): 2.46 - 4.10 ft
Atmospheric Pressure (AP): 29.57 in
Pressure Tendency (PT): +0.06 in
Decreasing or steady, then increasing; or increasing, then increasing more rapidly

Updated: 1:50 PM EST on December 15, 2019

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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)
01:50 49 47 86 SW 13.6 15.7 8 4.92 exactly 4.9 4 3.28 2.46 - 4.10 8 3.28 2.46 - 4.10 29.19 +0.07
05:50 45 46 53 West 27.2 31.3 9 5.25 exactly 5.2 4 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 29.34 +0.11
06:50 45 46 54 West 27.2 31.3 5 5.25 exactly 5.2 5 4.92 4.10 - 5.74 9 3.28 2.46 - 4.10 29.37 +0.11
07:50 45 46 53 WSW 27.2 31.3 11 5.25 exactly 5.2 5 4.92 4.10 - 5.74 11 3.28 2.46 - 4.10 29.42 +0.12
08:50 45 46 47 West 29.2 33.6 12 4.92 exactly 4.9 5 3.28 2.46 - 4.10 12 3.28 2.46 - 4.10 29.45 +0.11
11:50 46 46 43 West 27.2 31.3 12 4.92 exactly 4.9 5 4.92 4.10 - 5.74 12 1.64 0.82 - 2.46 29.51 +0.06
12:50 46 47 40 West 29.2 33.6 12 4.92 exactly 4.9 5 4.92 4.10 - 5.74 12 3.28 2.46 - 4.10
-
+0.04
13:50 47 47 39 WSW 25.3 29.1 5 5.25 exactly 5.2 5 4.92 4.10 - 5.74 11 3.28 2.46 - 4.10 29.57 +0.06

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
23:00 210 ft 6.00 ft 8.3 sec 5.3 sec 0.6 sec 2400 sec
00:00 210 ft 6.27 ft 9.1 sec 5.8 sec 0.6 sec 2400 sec
01:00 210 ft 5.48 ft 9.1 sec 5.4 sec 0.6 sec 2400 sec
05:00 210 ft 5.05 ft 10.0 sec 4.5 sec 0.6 sec 2400 sec
06:00 210 ft 5.28 ft 9.1 sec 4.7 sec 0.6 sec 2400 sec