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)

08/18
04:00:00

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

Current Swell & Surf Analysis
Buoy 44008
04:00:00 (GMT) on 08/18
Sea Height:	3.5 ft
Primary Swell Height:	2.7 ft
Primary Swell Period:	7.1 secs
Surf Height	1.3 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)
08/18	04:00:00	3.5	2.7 se	7.1 secs	0.5 se	12.6 secs	0.0 se	0.0secs	1.3 -1.7	7.1
08/18	03:00:00	3.4	2.7 se	6.7 secs	0.5 se	12.5 secs	0.0 se	0.0secs	1.3 -1.6	6.7
08/18	02:00:00	3.3	2.6 se	6.7 secs	0.5 se	10.0 secs	0.0 se	0.0secs	1.2 -1.6	6.7
08/18	01:00:00	3.1	2.5 se	6.6 secs	0.2 se	10.0 secs	0.0 se	0.0secs	1.1 -1.5	6.6
08/18	00:00:00	3.4	2.6 se	6.2 secs	0.4 se	12.5 secs	0.0 se	0.0secs	1.2 -1.5	6.2
08/17	23:00:00	1.6	0.6 se	12.4 secs	0.9 se	6.6 secs	0.0 se	0.0secs	0.6 -0.7	12.4
08/17	22:00:00	1.0	0.4 se	12.7 secs	0.5 se	8.3 secs	0.1 se	16.7secs	0.4 -0.5	12.7
08/17	21:00:00	0.9	0.4 se	12.5 secs	0.5 se	8.3 secs	0.0 se	0.0secs	0.4 -0.5	12.5
08/17	20:00:00	1.0	0.5 se	12.8 secs	0.5 se	9.1 secs	0.5 se	5.9secs	0.4 -0.6	12.8
08/17	19:00:00	0.9	0.5 se	12.5 secs	0.4 se	8.4 secs	0.1 se	16.7secs	0.4 -0.6	12.5
08/17	18:00:00	0.8	0.4 se	11.3 secs	0.5 se	6.7 secs	0.0 se	0.0secs	0.3 -0.4	11.3
08/17	17:00:00	0.9	0.5 se	12.7 secs	0.4 se	9.1 secs	0.4 se	5.9secs	0.4 -0.5	12.7
08/17	16:00:00	0.8	0.5 se	11.3 secs	0.4 se	7.8 secs	0.0 se	0.0secs	0.4 -0.5	11.3
08/17	15:00:00	0.9	0.5 se	12.4 secs	0.4 se	9.0 secs	0.4 se	5.9secs	0.5 -0.6	12.4
08/17	14:00:00	1.0	0.5 se	11.3 secs	0.6 se	7.7 secs	0.0 se	0.0secs	0.4 -0.5	11.3
08/17	13:00:00	1.0	0.5 se	12.6 secs	0.5 se	9.1 secs	0.5 se	5.9secs	0.4 -0.5	12.6
08/17	12:00:00	1.0	0.6 se	12.5 secs	0.5 se	8.3 secs	0.0 se	0.0secs	0.5 -0.6	12.5
08/17	11:00:00	1.0	0.6 se	12.5 secs	0.5 se	9.1 secs	0.3 se	5.9secs	0.5 -0.7	12.5
08/17	10:00:00	0.9	0.5 se	12.6 secs	0.4 se	9.2 secs	0.3 se	6.0secs	0.4 -0.6	12.6
08/17	09:00:00	0.9	0.5 se	12.5 secs	0.3 se	16.0 secs	0.5 se	7.1secs	0.4 -0.6	12.5
08/17	08:00:00	1.0	0.5 se	12.5 secs	0.5 se	7.7 secs	0.1 se	16.7secs	0.5 -0.6	12.5
08/17	07:00:00	0.9	0.5 se	12.5 secs	0.3 se	15.6 secs	0.6 se	7.6secs	0.4 -0.6	12.5
08/17	06:00:00	0.8	0.4 se	12.5 secs	0.4 se	9.1 secs	0.3 se	5.9secs	0.4 -0.5	12.5
08/17	05:00:00	0.9	0.6 se	12.5 secs	0.4 se	16.0 secs	0.4 se	9.1secs	0.5 -0.7	12.5

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
04:50:00 (GMT) on 08/18
Combined Sea Height:	6.2 ft
Dominant Period:	6.0 secs
Wind Speed:	1.9 kts
Wind Gust:	3.9 kts
Wind Direction:	300 degrees
Barometric Pressure:	1007.9 mbs
Air Temperature:	73.4 degrees
Water Temperature:	74.8 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)
08/18	04:50:00	6.2	6.0	1.9	3.9	300	1007.9	73.4	74.8
08/18	03:50:00	5.9	7.0	3.9	3.9	280	1007.9	74.5	74.8
08/18	02:50:00	5.2	6.0	1.9	3.9	270	1007.9	74.5	73.6
08/18	01:50:00	5.2	7.0	0.0	1.9	000	1008.1	74.7	73.6
08/18	00:50:00	5.2	6.0	1.9	3.9	210	1008.5	74.7	73.6
08/17	23:50:00	4.9	6.0	3.9	5.8	140	1008.2	75.7	74.5
08/17	22:50:00	3.3	4.0	11.7	13.7	150	1008.5	75.7	75.0
08/17	21:50:00	2.6	4.0	11.7	19.5	140	1009.1	74.5	75.0
08/17	20:50:00	2.3	4.0	15.6	17.6	120	1009.6	72.3	74.8
08/17	19:50:00	2.3	3.0	0.0	0.0	000	1011.1	72.9	74.7
08/17	18:50:00	2.0	4.0	11.7	15.6	110	1011.0	71.6	74.5
08/17	17:50:00	2.3	4.0	11.7	13.7	140	1011.6	70.9	74.1
08/17	16:50:00	2.3	4.0	9.8	11.7	150	1012.5	70.9	73.8
08/17	15:50:00	2.6	4.0	9.8	11.7	190	1013.3	71.4	70.3
08/17	14:50:00	2.3	4.0	11.7	15.6	190	1013.6	74.5	71.2
08/17	13:50:00	2.3	4.0	9.8	11.7	190	1013.8	74.8	71.8
08/17	12:50:00	2.3	4.0	9.8	13.7	190	1013.9	75.0	73.8
08/17	11:50:00	2.3	4.0	11.7	15.6	190	1014.3	75.0	74.1
08/17	10:50:00	2.0	4.0	11.7	15.6	180	1014.2	75.0	73.6
08/17	09:50:00	1.6	7.0	9.8	11.7	180	1014.4	74.1	73.4
08/17	08:50:00	1.3	7.0	7.8	9.8	200	1014.7	74.3	73.0
08/17	07:50:00	1.3	7.0	5.8	7.8	220	1015.0	73.4	72.7
08/17	06:50:00	1.3	8.0	5.8	7.8	200	1015.4	73.2	72.9
08/17	05:50:00	1.3	7.0	5.8	5.8	190	1016.1	73.0	72.9

000022227 ___0.025422

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