BUOY 44008 (STORMSURF)

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Buoy 44008 Nantucket
Longitude = 69.43W Latitude = 40.50N
FAQs

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)

Measurement Date/Time (GMT)

09/23
18:00:00

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

Current Swell & Surf Analysis
Buoy 44008
18:00:00 (GMT) on 09/23
Sea Height:	9.8 ft
Primary Swell Height:	7.3 ft
Primary Swell Period:	9 secs
Surf Height	4.6 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)
09/23	18:00:00	9.8	7.3 se	9.0 secs	3.1 se	5.9 secs	1.1 se	13.1secs	4.6 -5.9	9.0
09/23	17:00:00	8.7	6.6 se	9.1 secs	2.7 se	5.9 secs	1.0 se	13.3secs	4.2 -5.4	9.1
09/23	16:00:00	8.2	6.0 se	9.1 secs	3.0 se	5.9 secs	0.8 se	13.1secs	3.8 -4.9	9.1
09/23	15:00:00	7.1	4.4 se	9.1 secs	2.9 se	5.9 secs	0.5 se	12.5secs	2.8 -3.6	9.1
09/23	14:00:00	7.3	5.3 se	8.4 secs	1.4 se	11.9 secs	0.0 se	0.0secs	3.1 -4.0	8.4
09/23	13:00:00	7.6	5.6 se	8.3 secs	1.5 se	12.3 secs	0.0 se	0.0secs	3.3 -4.2	8.3
09/23	12:00:00	7.5	5.8 se	8.3 secs	0.0 se	0.0 secs	se	secs	3.3 -4.3	8.3
09/23	11:00:00	6.4	4.9 se	7.7 secs	0.6 se	11.1 secs	0.0 se	0.0secs	2.7 -3.4	7.7
09/23	10:00:00	6.7	5.2 se	8.3 secs	0.0 se	0.0 secs	se	secs	3.0 -3.9	8.3
09/23	09:00:00	6.8	5.0 se	8.3 secs	0.9 se	12.3 secs	0.0 se	0.0secs	2.9 -3.7	8.3
09/23	08:00:00	6.1	4.3 se	7.7 secs	1.1 se	10.8 secs	0.0 se	0.0secs	2.3 -3.0	7.7
09/23	07:00:00	6.8	5.5 se	7.8 secs	1.0 se	11.1 secs	0.0 se	0.0secs	3.0 -3.8	7.8
09/23	06:00:00	5.9	4.1 se	7.7 secs	0.6 se	11.2 secs	0.0 se	0.0secs	2.2 -2.9	7.7
09/23	05:00:00	5.8	4.1 se	7.7 secs	0.7 se	12.6 secs	0.0 se	0.0secs	2.2 -2.9	7.7
09/23	04:00:00	5.6	3.7 se	8.3 secs	0.5 se	11.6 secs	0.0 se	0.0secs	2.2 -2.8	8.3
09/23	03:00:00	5.8	4.4 se	7.7 secs	1.0 se	10.9 secs	0.0 se	0.0secs	2.3 -3.0	7.7
09/23	02:00:00	5.4	4.3 se	7.7 secs	1.0 se	10.9 secs	0.0 se	0.0secs	2.3 -2.9	7.7
09/23	01:00:00	6.0	4.5 se	7.7 secs	0.8 se	11.2 secs	0.3 se	14.3secs	2.4 -3.1	7.7
09/23	00:00:00	5.3	3.9 se	7.7 secs	0.6 se	11.0 secs	0.0 se	0.0secs	2.1 -2.7	7.7
09/22	23:00:00	5.0	3.8 se	7.2 secs	0.5 se	11.2 secs	0.0 se	0.0secs	1.9 -2.5	7.2
09/22	22:00:00	4.9	3.8 se	7.1 secs	0.6 se	12.5 secs	0.0 se	0.0secs	1.9 -2.5	7.1
09/22	21:00:00	4.7	3.5 se	6.7 secs	0.5 se	11.2 secs	0.0 se	0.0secs	1.7 -2.1	6.7
09/22	20:00:00	4.1	3.2 se	6.6 secs	0.5 se	11.3 secs	0.0 se	0.0secs	1.5 -1.9	6.6
09/22	19:00:00	4.0	3.1 se	6.7 secs	0.3 se	13.4 secs	0.0 se	0.0secs	1.4 -1.9	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 09/23
Combined Sea Height:	13.4 ft
Dominant Period:	9.0 secs
Wind Speed:	29.2 kts
Wind Gust:	37.0 kts
Wind Direction:	040 degrees
Barometric Pressure:	1026.9 mbs
Air Temperature:	61.3 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)
09/23	18:50:00	13.4	9.0	29.2	37.0	040	1026.9	61.3	32.0
09/23	17:50:00	12.5	9.0	27.3	35.1	040	1027.4	61.5	66.7
09/23	16:50:00	11.8	9.0	29.2	35.1	040	1027.8	61.7	67.3
09/23	15:50:00	11.2	9.0	27.3	33.1	040	1028.2	62.1	68.2
09/23	14:50:00	10.5	8.0	29.2	35.1	040	1028.1	62.1	68.7
09/23	13:50:00	10.8	8.0	29.2	35.1	050	1027.9	62.6	69.1
09/23	12:50:00	11.2	8.0	29.2	35.1	050	1027.6	62.6	69.3
09/23	11:50:00	11.2	8.0	27.3	33.1	050	1027.4	63.0	68.9
09/23	10:50:00	11.2	8.0	27.3	33.1	050	1026.8	62.8	69.6
09/23	09:50:00	10.8	8.0	27.3	33.1	050	1026.3	62.4	68.5
09/23	08:50:00	10.8	7.0	27.3	33.1	050	1025.9	62.1	67.1
09/23	07:50:00	9.8	0.0	27.3	33.1	050	1025.9	61.5	67.5
09/23	06:50:00	9.8	0.0	27.3	31.2	040	1025.8	61.5	68.7
09/23	05:50:00	8.9	8.0	25.4	31.2	050	1025.9	61.7	69.1
09/23	04:50:00	9.5	8.0	25.4	29.2	050	1026.0	61.9	69.3
09/23	03:50:00	8.9	8.0	23.4	29.2	050	1026.2	61.7	69.1
09/23	02:50:00	9.2	7.0	23.4	29.2	050	1026.0	61.7	69.3
09/23	01:50:00	9.5	8.0	23.4	29.2	050	1026.0	61.9	69.4
09/23	00:50:00	8.9	7.0	25.4	31.2	050	1026.1	61.7	32.0
09/22	23:50:00	8.2	8.0	25.4	31.2	040	1025.6	61.5	32.0
09/22	22:50:00	8.2	7.0	25.4	31.2	050	1025.3	62.1	69.8
09/22	21:50:00	7.9	7.0	27.3	33.1	050	1024.9	62.4	70.2
09/22	20:50:00	7.9	7.0	25.4	31.2	050	1024.3	62.6	68.4
09/22	19:50:00	7.2	7.0	23.4	31.2	050	1024.1	62.4	65.8

000022563 ___0.024088

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