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)

08/21
20:00:00

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

Current Swell & Surf Analysis
Buoy 44008
20:00:00 (GMT) on 08/21
Sea Height:	2.5 ft
Primary Swell Height:	1.6 ft
Primary Swell Period:	6.7 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)
08/21	20:00:00	2.5	1.6 se	6.7 secs	0.7 se	13.1 secs	0.7 se	9.9secs	0.7 -0.9	6.7
08/21	19:00:00	2.4	1.1 se	8.4 secs	0.7 se	12.9 secs	0.0 se	0.0secs	0.6 -0.8	8.4
08/21	18:00:00	2.1	1.2 se	8.4 secs	0.7 se	14.3 secs	0.0 se	0.0secs	0.7 -0.9	8.4
08/21	17:00:00	1.8	0.7 se	14.3 secs	1.0 se	9.0 secs	0.9 se	5.5secs	0.7 -0.9	14.3
08/21	16:00:00	1.6	1.0 se	8.3 secs	0.6 se	12.9 secs	0.0 se	0.0secs	0.6 -0.8	8.3
08/21	15:00:00	1.5	1.1 se	8.4 secs	0.5 se	14.0 secs	0.0 se	0.0secs	0.6 -0.8	8.4
08/21	14:00:00	1.4	1.0 se	8.4 secs	0.5 se	15.0 secs	0.0 se	0.0secs	0.6 -0.7	8.4
08/21	13:00:00	1.5	0.6 se	14.4 secs	1.0 se	9.0 secs	0.5 se	5.9secs	0.6 -0.8	14.4
08/21	12:00:00	1.7	1.1 se	9.1 secs	0.5 se	15.9 secs	0.6 se	12.8secs	0.7 -0.9	9.1
08/21	11:00:00	1.5	0.7 se	16.1 secs	0.7 se	12.9 secs	0.8 se	9.1secs	0.8 -1.1	16.1
08/21	10:00:00	1.5	0.7 se	14.6 secs	0.9 se	9.1 secs	0.5 se	5.9secs	0.7 -0.9	14.6
08/21	09:00:00	1.4	0.5 se	16.1 secs	0.8 se	9.1 secs	0.5 se	12.6secs	0.6 -0.7	16.1
08/21	08:00:00	1.4	0.9 se	9.0 secs	0.5 se	14.6 secs	0.5 se	6.0secs	0.5 -0.7	9.0
08/21	07:00:00	1.5	0.5 se	16.0 secs	0.8 se	9.0 secs	0.5 se	12.7secs	0.6 -0.7	16.0
08/21	06:00:00	1.6	1.0 se	8.4 secs	0.5 se	12.7 secs	0.1 se	16.7secs	0.6 -0.8	8.4
08/21	05:00:00	1.6	1.0 se	8.4 secs	0.4 se	14.6 secs	0.0 se	0.0secs	0.6 -0.8	8.4
08/21	04:00:00	1.6	0.6 se	12.7 secs	0.9 se	8.3 secs	0.2 se	16.7secs	0.5 -0.7	12.7
08/21	03:00:00	1.5	1.0 se	8.3 secs	0.4 se	12.7 secs	0.1 se	16.7secs	0.6 -0.7	8.3
08/21	02:00:00	1.6	0.9 se	9.0 secs	0.5 se	14.7 secs	0.7 se	5.9secs	0.6 -0.8	9.0
08/21	01:00:00	1.6	1.0 se	8.4 secs	0.5 se	14.4 secs	0.3 se	17.5secs	0.6 -0.8	8.4
08/21	00:00:00	1.5	0.9 se	9.0 secs	0.4 se	12.6 secs	0.6 se	5.9secs	0.6 -0.8	9.0
08/20	23:00:00	1.6	0.9 se	9.9 secs	0.6 se	14.6 secs	0.4 se	17.6secs	0.6 -0.8	9.9
08/20	22:00:00	1.5	0.9 se	8.4 secs	0.5 se	14.7 secs	0.1 se	20.0secs	0.5 -0.7	8.4
08/20	21:00:00	1.6	1.1 se	8.3 secs	0.5 se	14.5 secs	0.0 se	0.0secs	0.6 -0.8	8.3

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 44008
20:50:00 (GMT) on 08/21
Combined Sea Height:	4.9 ft
Dominant Period:	6.0 secs
Wind Speed:	15.6 kts
Wind Gust:	19.5 kts
Wind Direction:	100 degrees
Barometric Pressure:	1013.9 mbs
Air Temperature:	73.6 degrees
Water Temperature:	73.2 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)
08/21	20:50:00	4.9	6.0	15.6	19.5	100	1013.9	73.6	73.2
08/21	19:50:00	4.6	6.0	15.6	19.5	100	1014.4	73.6	73.6
08/21	18:50:00	3.9	0.0	0.0	0.0	000	1015.2	74.1	32.0
08/21	17:50:00	3.9	5.0	15.6	19.5	080	1014.9	72.9	70.7
08/21	16:50:00	3.9	8.0	15.6	19.5	090	1015.5	72.7	68.9
08/21	15:50:00	3.6	4.0	15.6	19.5	110	1015.9	72.0	62.4
08/21	14:50:00	3.3	8.0	13.7	15.6	100	1016.4	71.8	63.7
08/21	13:50:00	3.0	9.0	11.7	13.7	110	1016.4	73.2	69.1
08/21	12:50:00	2.3	9.0	13.7	15.6	110	1014.7	75.4	72.9
08/21	11:50:00	2.3	0.0	0.0	0.0	000	1015.9	75.7	73.8
08/21	10:50:00	2.3	9.0	7.8	9.8	140	1015.0	75.7	73.9
08/21	09:50:00	2.3	9.0	7.8	7.8	140	1014.9	75.6	74.3
08/21	08:50:00	2.0	9.0	9.8	9.8	140	1014.7	74.7	73.9
08/21	07:50:00	2.3	7.0	7.8	9.8	130	1014.5	74.8	74.7
08/21	06:50:00	2.6	0.0	0.0	0.0	000	1015.4	75.2	73.8
08/21	05:50:00	2.3	8.0	7.8	9.8	130	1014.7	75.0	74.3
08/21	04:50:00	2.3	8.0	5.8	5.8	110	1015.5	74.8	69.3
08/21	03:50:00	2.3	7.0	1.9	3.9	120	1015.9	72.3	62.2
08/21	02:50:00	2.6	8.0	1.9	3.9	120	1015.8	70.0	59.4
08/21	01:50:00	2.6	8.0	1.9	3.9	070	1015.7	69.8	60.6
08/21	00:50:00	2.3	8.0	1.9	3.9	120	1015.1	72.0	59.9
08/20	23:50:00	2.3	8.0	3.9	3.9	220	1015.0	74.1	60.6
08/20	22:50:00	2.3	8.0	3.9	5.8	240	1014.4	75.4	63.1
08/20	21:50:00	2.6	8.0	5.8	5.8	210	1014.6	75.7	65.3

000022265 ___0.024872

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