BUOY 44013 (STORMSURF)

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Buoy 44013 Boston
Longitude = 70.69W Latitude = 42.35N
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Frequency Analysis - Current Hour
(Swell height in each period/frequency band)

Measurement Date/Time (GMT)

04/18
22:00:00

Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile

Current Swell & Surf Analysis
Buoy 44013
22:00:00 (GMT) on 04/18
Sea Height:	2.1 ft
Primary Swell Height:	1.6 ft
Primary Swell Period:	5.5 secs
Surf Height	0.7 ft

24 Hour Observation

Date (Month/Day)	Time (GMT)	Sea Height [>5 secs] (ft)	Primary Swell		Secondary Swell		Tertiary Swell		Estimated Surf Height (ft)	Primary Period (secs)
Date (Month/Day)	Time (GMT)	Sea Height [>5 secs] (ft)	Height (ft)	Period (secs)	Height (ft)	Period (secs)	Height (ft)	Period (secs)	Estimated Surf Height (ft)	Primary Period (secs)
04/18	22:00:00	2.1	1.6 se	5.5 secs	0.8 se	11.1 secs	0.0 se	0.0secs	0.7 -0.9	5.5
04/18	21:00:00	1.8	0.9 se	11.0 secs	1.3 se	5.5 secs	0.2 se	14.3secs	0.8 -1.0	11.0
04/18	20:00:00	1.5	0.9 se	11.3 secs	0.8 se	5.5 secs	0.2 se	14.3secs	0.8 -1.0	11.3
04/18	19:00:00	1.1	0.6 se	11.0 secs	0.5 se	7.7 secs	0.2 se	14.3secs	0.5 -0.7	11.0
04/18	18:00:00	1.3	0.8 se	11.3 secs	0.7 se	6.6 secs	0.0 se	0.0secs	0.7 -0.9	11.3
04/18	17:00:00	1.3	0.7 se	11.4 secs	0.7 se	7.2 secs	0.0 se	0.0secs	0.7 -0.8	11.4
04/18	16:00:00	1.2	0.6 se	11.1 secs	0.7 se	7.1 secs	0.0 se	0.0secs	0.5 -0.7	11.1
04/18	15:00:00	1.3	0.7 se	11.4 secs	0.7 se	6.7 secs	0.0 se	0.0secs	0.7 -0.8	11.4
04/18	14:00:00	1.4	0.8 se	11.3 secs	0.7 se	7.1 secs	0.0 se	0.0secs	0.7 -0.9	11.3
04/18	13:00:00	1.6	0.8 se	11.3 secs	1.0 se	7.1 secs	0.1 se	14.3secs	0.7 -0.9	11.3
04/18	12:00:00	1.4	0.6 se	10.1 secs	0.8 se	6.7 secs	0.1 se	14.3secs	0.5 -0.6	10.1
04/18	11:00:00	1.4	0.9 se	11.1 secs	0.7 se	7.7 secs	0.2 se	14.3secs	0.8 -1.0	11.1
04/18	10:00:00	1.4	0.7 se	12.3 secs	0.8 se	8.4 secs	0.0 se	0.0secs	0.6 -0.8	12.3
04/18	09:00:00	1.3	0.7 se	12.2 secs	0.6 se	9.2 secs	0.5 se	6.0secs	0.7 -0.9	12.2
04/18	08:00:00	1.3	0.7 se	11.1 secs	0.8 se	7.7 secs	0.3 se	15.7secs	0.6 -0.8	11.1
04/18	07:00:00	1.3	0.9 se	12.1 secs	0.6 se	8.4 secs	0.0 se	0.0secs	0.9 -1.1	12.1
04/18	06:00:00	1.2	0.7 se	12.2 secs	0.6 se	9.2 secs	0.4 se	6.0secs	0.7 -0.8	12.2
04/18	05:00:00	1.4	0.9 se	12.1 secs	0.6 se	8.3 secs	0.1 se	16.7secs	0.9 -1.1	12.1
04/18	04:00:00	1.4	0.8 se	12.1 secs	0.6 se	8.5 secs	0.2 se	15.2secs	0.8 -1.0	12.1
04/18	03:00:00	1.5	0.7 se	12.2 secs	0.6 se	8.4 secs	0.1 se	16.7secs	0.7 -0.9	12.2
04/18	02:00:00	1.3	0.6 se	12.1 secs	0.6 se	9.0 secs	0.7 se	5.9secs	0.6 -0.8	12.1
04/18	01:00:00	1.4	0.7 se	12.2 secs	0.7 se	9.0 secs	0.7 se	5.9secs	0.7 -0.8	12.2
04/18	00:00:00	1.4	0.8 se	10.0 secs	0.4 se	13.1 secs	0.7 se	6.6secs	0.7 -0.8	10.0
04/17	23:00:00	1.4	0.6 se	12.3 secs	0.7 se	9.1 secs	0.7 se	5.9secs	0.6 -0.7	12.3

Surf Height Scale
Size Scale (ft)
>1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10-11 11-12 12-13 13-14 14-15 15-20 20-25 25-30 30-35 35-40 40-45 45+

Swell Period Scal
Period Scale (secs)
6.3 6.7 7.1 7.7 8.3 9.1 10 11.1 12.5 14.3 16.7 20 25 33.3

Current Weather Conditions
Buoy 44013
21:50:00 (GMT) on 04/18
Combined Sea Height:	3.3 ft
Dominant Period:	5.0 secs
Wind Speed:	9.8 kts
Wind Gust:	11.7 kts
Wind Direction:	040 degrees
Barometric Pressure:	1018.7 mbs
Air Temperature:	43.0 degrees
Water Temperature:	32.0 degrees

24 Hour Weather Observation

Date (Month/Day)	Time (GMT)	Combined Sea Height (ft)	Dominant Period (secs)	Wind Speed (kts)	Gust (kts)	Wind Direction (degrees)	Barometric Pressure (mbs)	Air Temperature (F)	Water Temperature (F)
04/18	21:50:00	3.3	5.0	9.8	11.7	040	1018.7	43.0	32.0
04/18	20:50:00	3.0	5.0	9.8	13.7	050	1019.0	42.8	44.1
04/18	19:50:00	3.0	5.0	9.8	11.7	050	1019.5	43.3	44.2
04/18	18:50:00	3.0	0.0	11.7	13.7	050	1020.1	44.1	44.4
04/18	17:50:00	2.6	4.0	13.7	15.6	040	1020.2	44.2	44.4
04/18	16:50:00	3.0	3.0	13.7	15.6	050	1020.7	44.4	44.4
04/18	15:50:00	2.6	3.0	11.7	13.7	030	1021.5	44.2	44.4
04/18	14:50:00	2.6	3.0	11.7	15.6	050	1021.2	44.2	44.4
04/18	13:50:00	2.6	3.0	13.7	17.6	040	1021.1	44.8	44.4
04/18	12:50:00	2.3	3.0	11.7	13.7	050	1020.4	45.3	44.2
04/18	11:50:00	2.0	11.0	11.7	13.7	050	1020.7	45.3	44.1
04/18	10:50:00	1.6	6.0	11.7	13.7	020	1021.0	45.9	44.1
04/18	09:50:00	1.3	10.0	9.8	9.8	010	1020.0	45.9	44.1
04/18	08:50:00	1.6	10.0	7.8	7.8	010	1018.6	46.4	44.1
04/18	07:50:00	1.3	11.0	7.8	9.8	060	1017.9	46.2	44.1
04/18	06:50:00	1.6	11.0	5.8	7.8	350	1018.1	45.3	44.1
04/18	05:50:00	1.6	8.0	7.8	7.8	350	1018.0	45.3	43.9
04/18	04:50:00	1.6	8.0	3.9	3.9	350	1017.4	45.1	43.9
04/18	03:50:00	1.6	5.0	3.9	3.9	360	1017.8	45.0	43.9
04/18	02:50:00	2.0	6.0	1.9	3.9	310	1017.7	46.2	44.1
04/18	01:50:00	2.0	6.0	1.9	3.9	300	1017.4	45.3	44.1
04/18	00:50:00	2.0	6.0	1.9	3.9	280	1016.8	44.8	44.1
04/17	23:50:00	2.0	8.0	1.9	3.9	240	1016.0	45.1	44.1
04/17	22:50:00	2.0	11.0	3.9	5.8	280	1015.8	45.5	44.2

000015796 ___0.026688

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