BUOY 44008 (STORMSURF)

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Buoy 44008 Nantucket
Longitude = 69.43W Latitude = 40.50N
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Frequency Analysis - Current Hour
(Swell height in each period/frequency band)

Measurement Date/Time (GMT)

04/18
21:00:00

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

Current Swell & Surf Analysis
Buoy 44008
21:00:00 (GMT) on 04/18
Sea Height:	2.6 ft
Primary Swell Height:	1.1 ft
Primary Swell Period:	11.2 secs
Surf Height	0.8 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	21:00:00	2.6	1.1 se	11.2 secs	1.8 se	5.6 secs	0.2 se	14.3secs	0.8 -1.1	11.2
04/18	20:00:00	2.2	1.1 se	10.2 secs	1.0 se	7.1 secs	0.5 se	13.8secs	0.8 -1.0	10.2
04/18	19:00:00	2.1	0.9 se	12.4 secs	1.1 se	9.1 secs	1.0 se	5.9secs	0.8 -1.0	12.4
04/18	18:00:00	1.9	1.0 se	11.2 secs	1.1 se	7.8 secs	0.1 se	14.3secs	0.8 -1.0	11.2
04/18	17:00:00	2.1	1.0 se	12.4 secs	1.2 se	8.3 secs	0.0 se	0.0secs	0.8 -1.1	12.4
04/18	16:00:00	1.9	0.8 se	12.5 secs	1.1 se	7.7 secs	0.3 se	16.7secs	0.7 -0.9	12.5
04/18	15:00:00	2.1	1.1 se	12.3 secs	1.2 se	7.6 secs	0.0 se	0.0secs	0.9 -1.2	12.3
04/18	14:00:00	2.2	0.9 se	12.5 secs	1.5 se	7.1 secs	0.0 se	0.0secs	0.7 -1.0	12.5
04/18	13:00:00	2.5	1.6 se	7.1 secs	0.8 se	12.3 secs	0.0 se	0.0secs	0.8 -1.0	7.1
04/18	12:00:00	2.4	1.6 se	7.6 secs	0.9 se	12.3 secs	0.1 se	16.7secs	0.9 -1.1	7.6
04/18	11:00:00	2.6	1.8 se	7.7 secs	0.8 se	11.1 secs	0.2 se	14.3secs	1.0 -1.3	7.7
04/18	10:00:00	2.5	1.2 se	11.2 secs	1.7 se	7.7 secs	0.3 se	14.3secs	0.9 -1.2	11.2
04/18	09:00:00	2.8	2.0 se	8.3 secs	0.9 se	11.9 secs	0.0 se	0.0secs	1.2 -1.5	8.3
04/18	08:00:00	2.7	1.9 se	8.3 secs	0.8 se	11.8 secs	0.0 se	0.0secs	1.1 -1.4	8.3
04/18	07:00:00	2.7	2.1 se	8.3 secs	0.8 se	11.8 secs	0.0 se	0.0secs	1.2 -1.6	8.3
04/18	06:00:00	2.7	2.1 se	8.3 secs	0.7 se	12.1 secs	0.0 se	0.0secs	1.2 -1.5	8.3
04/18	05:00:00	2.6	1.9 se	7.7 secs	1.0 se	12.4 secs	0.0 se	0.0secs	1.0 -1.3	7.7
04/18	04:00:00	2.8	2.0 se	7.8 secs	1.0 se	12.3 secs	0.1 se	16.7secs	1.1 -1.4	7.8
04/18	03:00:00	2.4	1.7 se	7.7 secs	0.9 se	11.2 secs	0.3 se	14.3secs	0.9 -1.2	7.7
04/18	02:00:00	3.0	2.2 se	7.2 secs	0.9 se	12.6 secs	0.0 se	0.0secs	1.1 -1.4	7.2
04/18	01:00:00	2.5	1.8 se	7.7 secs	0.9 se	12.5 secs	0.2 se	16.7secs	1.0 -1.2	7.7
04/18	00:00:00	2.9	2.0 se	7.1 secs	0.9 se	12.3 secs	0.1 se	16.7secs	1.0 -1.3	7.1
04/17	23:00:00	2.8	2.0 se	7.2 secs	1.0 se	12.4 secs	0.2 se	16.7secs	1.0 -1.3	7.2
04/17	22:00:00	3.2	2.5 se	7.7 secs	0.7 se	12.5 secs	0.0 se	0.0secs	1.4 -1.7	7.7

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 44008
21:50:00 (GMT) on 04/18
Combined Sea Height:	4.6 ft
Dominant Period:	6.0 secs
Wind Speed:	11.7 kts
Wind Gust:	11.7 kts
Wind Direction:	360 degrees
Barometric Pressure:	1015.2 mbs
Air Temperature:	44.4 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	4.6	6.0	11.7	11.7	360	1015.2	44.4	32.0
04/18	20:50:00	3.9	5.0	7.8	9.8	360	1016.0	45.1	45.9
04/18	19:50:00	3.9	5.0	9.8	11.7	030	1016.1	45.0	46.0
04/18	18:50:00	3.6	0.0	13.7	15.6	040	1016.2	45.0	46.0
04/18	17:50:00	3.3	8.0	11.7	17.6	020	1016.8	45.3	45.9
04/18	16:50:00	3.3	7.0	11.7	15.6	030	1016.5	45.5	45.9
04/18	15:50:00	3.0	7.0	11.7	13.7	020	1016.9	45.3	45.9
04/18	14:50:00	3.6	8.0	11.7	13.7	020	1017.1	45.3	45.9
04/18	13:50:00	3.6	7.0	9.8	11.7	040	1016.6	45.1	46.0
04/18	12:50:00	3.6	8.0	11.7	13.7	050	1016.6	45.1	46.0
04/18	11:50:00	4.3	8.0	11.7	13.7	030	1017.0	45.7	45.9
04/18	10:50:00	4.3	8.0	11.7	13.7	030	1016.3	45.1	45.9
04/18	09:50:00	4.3	8.0	13.7	15.6	040	1014.9	45.0	45.7
04/18	08:50:00	4.3	8.0	11.7	15.6	010	1015.2	44.4	45.9
04/18	07:50:00	4.3	8.0	13.7	15.6	030	1014.7	44.2	46.2
04/18	06:50:00	4.3	8.0	13.7	17.6	010	1014.5	44.8	46.0
04/18	05:50:00	4.3	8.0	13.7	15.6	020	1014.2	45.1	45.7
04/18	04:50:00	4.3	8.0	9.8	11.7	020	1014.4	45.5	45.7
04/18	03:50:00	4.3	8.0	11.7	13.7	030	1014.2	45.3	45.9
04/18	02:50:00	3.9	7.0	13.7	17.6	020	1014.2	45.5	45.9
04/18	01:50:00	4.3	7.0	11.7	15.6	020	1014.5	45.1	32.0
04/18	00:50:00	4.3	7.0	11.7	13.7	030	1013.6	44.8	46.4
04/17	23:50:00	4.6	7.0	13.7	15.6	030	1012.8	32.0	46.0
04/17	22:50:00	4.3	7.0	11.7	13.7	030	1012.5	46.0	45.7

000021274 ___0.028788

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