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)

07/25
18:00:00

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

Current Swell & Surf Analysis
Buoy 44008
18:00:00 (GMT) on 07/25
Sea Height:	3.1 ft
Primary Swell Height:	2.4 ft
Primary Swell Period:	6.2 secs
Surf Height	1 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)
07/25	18:00:00	3.1	2.4 se	6.2 secs	0.2 se	12.5 secs	0.0 se	0.0secs	1.0 -1.3	6.2
07/25	17:00:00	2.9	2.1 se	6.2 secs	0.4 se	12.9 secs	0.3 se	9.9secs	0.9 -1.2	6.2
07/25	16:00:00	2.7	1.9 se	6.6 secs	0.4 se	11.5 secs	0.0 se	0.0secs	0.9 -1.1	6.6
07/25	15:00:00	2.7	1.9 se	6.3 secs	0.5 se	9.7 secs	0.0 se	0.0secs	0.9 -1.1	6.3
07/25	14:00:00	2.6	1.9 se	6.3 secs	0.3 se	12.6 secs	0.0 se	0.0secs	0.8 -1.0	6.3
07/25	13:00:00	2.3	1.3 se	7.1 secs	0.4 se	12.7 secs	0.0 se	0.0secs	0.6 -0.8	7.1
07/25	12:00:00	2.3	1.3 se	7.1 secs	0.3 se	12.9 secs	0.0 se	0.0secs	0.7 -0.9	7.1
07/25	11:00:00	2.3	1.7 se	6.2 secs	0.3 se	12.5 secs	0.0 se	0.0secs	0.7 -0.9	6.2
07/25	10:00:00	2.1	1.5 se	5.9 secs	0.4 se	8.9 secs	0.2 se	12.5secs	0.6 -0.8	5.9
07/25	09:00:00	2.0	1.5 se	5.5 secs	0.4 se	8.7 secs	0.2 se	12.5secs	0.6 -0.7	5.5
07/25	08:00:00	2.3	1.7 se	5.9 secs	0.3 se	9.3 secs	0.0 se	0.0secs	0.7 -0.9	5.9
07/25	07:00:00	2.1	1.3 se	7.1 secs	0.5 se	12.5 secs	0.0 se	0.0secs	0.6 -0.8	7.1
07/25	06:00:00	2.0	1.3 se	6.7 secs	0.5 se	12.6 secs	0.0 se	0.0secs	0.6 -0.8	6.7
07/25	05:00:00	2.1	1.4 se	6.7 secs	0.4 se	12.4 secs	0.0 se	0.0secs	0.6 -0.8	6.7
07/25	04:00:00	2.0	1.3 se	7.2 secs	0.3 se	12.9 secs	0.0 se	0.0secs	0.6 -0.8	7.2
07/25	03:00:00	1.8	1.2 se	6.3 secs	0.4 se	9.7 secs	0.3 se	12.7secs	0.5 -0.7	6.3
07/25	02:00:00	1.9	1.1 se	7.2 secs	0.4 se	11.4 secs	0.0 se	0.0secs	0.6 -0.7	7.2
07/25	01:00:00	1.8	1.1 se	6.6 secs	0.5 se	9.8 secs	0.2 se	13.3secs	0.5 -0.7	6.6
07/25	00:00:00	1.9	1.4 se	5.9 secs	0.6 se	8.9 secs	0.2 se	12.5secs	0.6 -0.7	5.9
07/24	23:00:00	1.8	0.9 se	7.7 secs	0.3 se	13.1 secs	0.0 se	0.0secs	0.5 -0.7	7.7
07/24	22:00:00	1.8	0.8 se	8.2 secs	0.2 se	11.7 secs	0.0 se	0.0secs	0.5 -0.6	8.2
07/24	21:00:00	1.8	1.4 se	5.5 secs	0.4 se	12.5 secs	0.5 se	8.8secs	0.5 -0.7	5.5
07/24	20:00:00	1.8	1.2 se	5.5 secs	0.6 se	8.9 secs	0.3 se	12.7secs	0.5 -0.6	5.5
07/24	19:00:00	1.6	1.0 se	6.7 secs	0.4 se	9.9 secs	0.0 se	0.0secs	0.5 -0.6	6.7

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
18:50:00 (GMT) on 07/25
Combined Sea Height:	5.6 ft
Dominant Period:	6.0 secs
Wind Speed:	19.5 kts
Wind Gust:	23.4 kts
Wind Direction:	040 degrees
Barometric Pressure:	1016.2 mbs
Air Temperature:	66.0 degrees
Water Temperature:	70.7 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)
07/25	18:50:00	5.6	6.0	19.5	23.4	040	1016.2	66.0	70.7
07/25	17:50:00	5.6	6.0	21.4	27.3	050	1016.3	66.6	70.3
07/25	16:50:00	4.9	6.0	21.4	23.4	050	1016.9	67.1	69.4
07/25	15:50:00	5.2	6.0	19.5	23.4	050	1017.8	67.3	69.1
07/25	14:50:00	4.9	7.0	19.5	23.4	040	1018.1	67.5	68.4
07/25	13:50:00	5.2	6.0	19.5	23.4	050	1018.9	66.9	69.1
07/25	12:50:00	4.9	6.0	17.6	21.4	060	1019.1	66.6	69.4
07/25	11:50:00	4.6	5.0	17.6	21.4	060	1019.1	66.6	69.6
07/25	10:50:00	4.6	5.0	19.5	21.4	060	1019.0	67.3	69.6
07/25	09:50:00	4.6	6.0	17.6	21.4	060	1019.0	67.6	69.4
07/25	08:50:00	4.3	6.0	15.6	19.5	060	1019.0	66.9	68.7
07/25	07:50:00	4.3	6.0	15.6	19.5	050	1019.3	66.2	67.6
07/25	06:50:00	4.3	6.0	15.6	17.6	050	1019.7	66.0	67.6
07/25	05:50:00	3.9	5.0	13.7	15.6	050	1020.0	67.6	67.5
07/25	04:50:00	3.6	6.0	13.7	15.6	050	1020.7	67.5	67.1
07/25	03:50:00	3.6	6.0	11.7	15.6	040	1021.0	67.6	66.7
07/25	02:50:00	3.9	6.0	13.7	15.6	050	1021.4	68.5	66.9
07/25	01:50:00	3.9	6.0	13.7	15.6	060	1021.6	68.2	67.1
07/25	00:50:00	4.3	6.0	13.7	15.6	060	1021.2	67.8	66.7
07/24	23:50:00	3.9	6.0	13.7	15.6	060	1021.1	68.0	66.7
07/24	22:50:00	4.3	5.0	15.6	17.6	060	1021.1	68.7	66.7
07/24	21:50:00	3.9	5.0	15.6	19.5	070	1021.6	68.7	67.5
07/24	20:50:00	3.6	5.0	15.6	19.5	070	1021.5	68.4	66.9
07/24	19:50:00	3.9	5.0	17.6	19.5	060	1021.6	68.0	66.4

000021991 ___0.028077

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