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)

07/15
11:00:00

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

Current Swell & Surf Analysis
Buoy 44008
11:00:00 (GMT) on 07/15
Sea Height:	5.3 ft
Primary Swell Height:	4.3 ft
Primary Swell Period:	7.7 secs
Surf Height	2.3 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)
07/15	11:00:00	5.3	4.3 se	7.7 secs	0.0 se	0.0 secs	se	secs	2.3 -3.0	7.7
07/15	10:00:00	5.9	5.1 se	7.7 secs	0.0 se	0.0 secs	se	secs	2.7 -3.5	7.7
07/15	09:00:00	5.0	4.3 se	7.7 secs	0.3 se	11.1 secs	0.0 se	0.0secs	2.3 -2.9	7.7
07/15	08:00:00	5.8	4.7 se	7.6 secs	0.0 se	0.0 secs	se	secs	2.5 -3.2	7.6
07/15	07:00:00	4.8	3.7 se	7.2 secs	0.5 se	10.5 secs	0.0 se	0.0secs	1.8 -2.4	7.2
07/15	06:00:00	3.8	2.9 se	7.1 secs	0.5 se	10.9 secs	0.0 se	0.0secs	1.4 -1.8	7.1
07/15	05:00:00	3.8	2.9 se	6.7 secs	0.5 se	9.8 secs	0.0 se	0.0secs	1.4 -1.7	6.7
07/15	04:00:00	3.5	2.9 se	6.2 secs	0.5 se	10.1 secs	0.0 se	0.0secs	1.2 -1.6	6.2
07/15	03:00:00	3.2	2.4 se	6.2 secs	0.5 se	9.5 secs	0.2 se	12.5secs	1.1 -1.4	6.2
07/15	02:00:00	3.1	2.4 se	6.2 secs	0.5 se	10.0 secs	0.0 se	0.0secs	1.1 -1.4	6.2
07/15	01:00:00	3.5	2.7 se	6.3 secs	0.5 se	10.0 secs	0.0 se	0.0secs	1.2 -1.5	6.3
07/15	00:00:00	3.4	2.7 se	6.2 secs	0.6 se	9.8 secs	0.0 se	0.0secs	1.2 -1.5	6.2
07/14	23:00:00	3.8	3.0 se	6.2 secs	0.7 se	9.7 secs	0.0 se	0.0secs	1.3 -1.7	6.2
07/14	22:00:00	3.9	3.1 se	6.2 secs	0.6 se	10.1 secs	0.0 se	0.0secs	1.4 -1.8	6.2
07/14	21:00:00	3.8	3.3 se	5.9 secs	0.7 se	9.9 secs	0.0 se	0.0secs	1.4 -1.8	5.9
07/14	20:00:00	3.0	2.6 se	5.6 secs	0.7 se	9.1 secs	0.0 se	0.0secs	1.0 -1.3	5.6
07/14	19:00:00	2.7	2.4 se	5.5 secs	0.6 se	10.1 secs	0.0 se	0.0secs	0.9 -1.2	5.5
07/14	18:00:00	1.9	1.5 se	5.5 secs	0.7 se	9.9 secs	0.0 se	0.0secs	0.6 -0.8	5.5
07/14	17:00:00	1.5	0.8 se	9.1 secs	1.0 se	5.5 secs	0.2 se	12.5secs	0.5 -0.6	9.1
07/14	16:00:00	1.1	0.7 se	10.0 secs	0.6 se	5.5 secs	0.0 se	0.0secs	0.5 -0.6	10.0
07/14	15:00:00	1.1	0.7 se	9.1 secs	0.5 se	5.6 secs	0.0 se	0.0secs	0.4 -0.5	9.1
07/14	14:00:00	1.1	0.7 se	10.0 secs	0.5 se	6.7 secs	0.0 se	0.0secs	0.5 -0.6	10.0
07/14	13:00:00	1.1	0.7 se	10.0 secs	0.5 se	6.7 secs	0.1 se	13.6secs	0.5 -0.6	10.0
07/14	12:00:00	1.2	0.8 se	10.0 secs	0.6 se	6.6 secs	0.0 se	0.0secs	0.6 -0.7	10.0

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
11:50:00 (GMT) on 07/15
Combined Sea Height:	8.5 ft
Dominant Period:	8.0 secs
Wind Speed:	13.7 kts
Wind Gust:	15.6 kts
Wind Direction:	240 degrees
Barometric Pressure:	1008.4 mbs
Air Temperature:	62.2 degrees
Water Temperature:	54.0 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)
07/15	11:50:00	8.5	8.0	13.7	15.6	240	1008.4	62.2	54.0
07/15	10:50:00	8.2	8.0	11.7	13.7	240	1009.3	62.8	53.8
07/15	09:50:00	7.9	7.0	15.6	21.4	240	1008.7	65.3	53.8
07/15	08:50:00	8.2	7.0	13.7	15.6	230	1008.4	64.6	54.5
07/15	07:50:00	7.9	7.0	17.6	19.5	240	1009.0	66.2	32.0
07/15	06:50:00	7.2	7.0	19.5	21.4	240	1009.5	68.2	32.0
07/15	05:50:00	6.9	6.0	23.4	27.3	240	1010.1	70.3	32.0
07/15	04:50:00	0.0	0.0	23.4	27.3	230	1011.2	71.8	59.4
07/15	03:50:00	5.6	6.0	23.4	27.3	230	1011.5	72.1	61.3
07/15	02:50:00	5.6	6.0	19.5	25.4	230	1012.0	71.2	60.8
07/15	01:50:00	5.9	6.0	17.6	21.4	220	1012.8	70.7	63.1
07/15	00:50:00	6.2	6.0	19.5	23.4	230	1012.5	70.7	62.6
07/14	23:50:00	5.6	6.0	15.6	17.6	230	1013.0	69.3	32.0
07/14	22:50:00	6.2	6.0	15.6	19.5	230	1013.4	69.3	62.1
07/14	21:50:00	5.6	6.0	17.6	21.4	230	1013.3	69.6	62.6
07/14	20:50:00	6.2	6.0	19.5	23.4	240	1014.1	70.3	63.7
07/14	19:50:00	5.6	6.0	21.4	27.3	240	1014.2	71.1	63.0
07/14	18:50:00	4.6	0.0	19.5	23.4	240	1015.3	32.0	66.2
07/14	17:50:00	4.6	5.0	19.5	23.4	240	1016.1	72.5	69.1
07/14	16:50:00	3.9	5.0	19.5	21.4	230	1016.8	72.7	70.9
07/14	15:50:00	3.6	5.0	17.6	19.5	230	1018.0	72.9	71.2
07/14	14:50:00	3.6	4.0	15.6	17.6	230	1018.3	72.5	71.1
07/14	13:50:00	3.3	4.0	15.6	17.6	230	1018.7	71.8	69.6
07/14	12:50:00	3.3	4.0	13.7	17.6	230	1018.5	71.2	69.6

000021881 ___0.022947

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