BUOY 142 (STORMSURF)

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Buoy 142 San Francisco Bar
Longitude = 122.59W Latitude = 37.78N
FAQs

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

Measurement Date/Time (GMT)

07/31
04:22:00

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

Current Swell & Surf Analysis
Buoy 142
04:22:00 (GMT) on 07/31
Sea Height:	3.6 ft
Primary Swell Height:	1.8 ft
Primary Swell Period:	7.9 secs
Primary Swell Direction:	290 degrees
Surf Height:	1.1-1.4 ft

24 Hour Observation

Date
(Month - Day)

Time
(GMT)

Combined Sea Height
[>5 secs]
(ft)

Primary Swell

Secondary Swell

Tertiary Swell

Estimated Surf Height (ft)

Primary Swell Period
(secs)

Height
(ft)

Period
(secs)

Diection
(deg)

Height
(ft)

Period
(secs)

Direction
(deg)

Height
(ft)

Period
(secs)

Direction
(deg)

07/31	04:22:00	3.6	1.8	7.9	290	0.9	14.0	242	0.6	17.8	243	1.1 -1.4	7.9
07/31	03:22:00	2.8	0.9	14.9	239	1.3	8.1	287	0.5	18.8	252	1.0 -1.3	14.9
07/31	02:23:00	2.8	0.8	15.8	243	1.5	7.9	290	0.9	12.4	236	1.0 -1.3	15.8
07/31	01:23:00	2.6	0.7	15.7	245	0.8	12.6	243	1.2	7.9	287	0.9 -1.2	15.7
07/31	00:22:00	2.4	0.9	13.7	239	0.6	16.8	242	0.7	10.5	251	1.0 -1.2	13.7
07/30	23:22:00	2.4	0.7	16.8	248	0.7	13.3	238	0.9	7.6	285	0.9 -1.1	16.8
07/30	22:22:00	2.4	0.9	13.9	231	0.6	17.5	227	0.6	10.6	251	1.0 -1.3	13.9
07/30	21:22:00	2.6	0.9	15.0	230	0.5	18.8	241	0.7	11.8	236	1.1 -1.3	15.0
07/30	20:23:00	2.6	0.8	14.7	237	0.5	17.8	246	1.1	6.8	283	0.9 -1.1	14.7
07/30	19:24:00	2.9	0.7	14.9	240	0.4	18.8	246	1.2	6.6	284	0.9 -1.1	14.9
07/30	18:24:00	3.3	1.0	14.8	242	1.5	6.8	286	0.5	18.7	254	1.2 -1.5	14.8
07/30	17:23:00	3.3	0.9	15.0	243	0.6	19.1	248	1.3	7.0	284	1.1 -1.4	15.0
07/30	16:23:00	3.5	0.9	14.1	237	0.6	17.5	253	1.5	6.8	285	1.0 -1.3	14.1
07/30	15:24:00	3.1	1.0	14.0	238	0.6	17.6	249	1.4	6.1	288	1.1 -1.3	14.0
07/30	14:23:00	3.1	0.9	14.8	239	1.5	6.3	288	0.5	18.9	257	1.0 -1.3	14.8
07/30	13:24:00	3.1	1.0	13.8	243	0.6	17.5	251	1.2	6.4	288	1.1 -1.4	13.8
07/30	12:24:00	3.0	0.9	13.9	244	0.6	17.6	254	1.1	6.1	287	1.0 -1.3	13.9
07/30	11:24:00	3.2	0.9	14.7	239	0.5	18.7	245	0.7	11.4	238	1.1 -1.3	14.7
07/30	10:24:00	3.6	1.0	14.7	246	1.4	6.3	290	0.5	19.0	260	1.2 -1.5	14.7
07/30	09:23:00	3.8	0.9	14.7	251	1.4	6.6	289	0.4	19.2	275	1.0 -1.3	14.7
07/30	08:22:00	4.0	1.1	13.9	245	0.7	17.4	250	1.3	6.8	289	1.2 -1.5	13.9
07/30	07:22:00	4.0	1.0	14.8	242	0.5	19.0	254	1.5	6.2	288	1.2 -1.5	14.8
07/30	06:22:00	4.1	1.0	14.9	241	0.6	19.4	258	0.8	11.8	239	1.1 -1.4	14.9
07/30	05:23:00	3.9	1.1	13.8	246	0.7	17.8	264	1.2	6.1	280	1.2 -1.5	13.8

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
CDIP Period Scale (secs)
6.3 6.7 7.1 7.7 8.3 9.1 10 10.5 11.1 11.8 12.5 13.3 14.3 15.4 16.7 18.2 20 22.2 25 28.6 33.3 40

000035475 ___0.028719

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