BUOY 46028 (STORMSURF)

Surf Forecasts and Marine Weather - No Hype - Just the Facts!

Is Atmospheric Momentum The Key? - Video Forecast HERE (9/7/25)

Create Your Own Surf Forecast

Buoy 46028 Central San Martin
Longitude = 121.89W Latitude = 35.74N
FAQs

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

Measurement Date/Time (GMT)

09/18
22:00:00

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

Current Swell & Surf Analysis
Buoy 46028
22:00:00 (GMT) on 09/18
Sea Height:	7.1 ft
Primary Swell Height:	5.2 ft
Primary Swell Period:	12.5 secs
Surf Height	5.2 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)
09/18	22:00:00	7.1	5.2 se	12.5 secs	3.8 se	9.2 secs	0.8 se	16.7secs	5.2 -6.5	12.5
09/18	21:00:00	6.5	4.1 se	12.5 secs	3.5 se	9.2 secs	1.2 se	17.2secs	4.1 -5.2	12.5
09/18	20:00:00	6.3	3.7 se	12.5 secs	3.9 se	9.1 secs	1.0 se	16.7secs	3.7 -4.6	12.5
09/18	19:00:00	6.3	3.7 se	12.6 secs	2.5 se	15.7 secs	3.6 se	9.1secs	3.7 -4.6	12.6
09/18	18:00:00	5.5	3.1 se	12.6 secs	3.5 se	9.0 secs	1.9 se	15.8secs	3.1 -3.9	12.6
09/18	17:00:00	5.6	3.1 se	14.4 secs	3.0 se	11.3 secs	2.8 se	7.8secs	3.6 -4.5	14.4
09/18	16:00:00	4.8	3.1 se	14.3 secs	2.1 se	10.2 secs	1.8 se	6.8secs	3.5 -4.4	14.3
09/18	15:00:00	4.9	3.3 se	14.4 secs	2.5 se	11.3 secs	2.4 se	7.7secs	3.7 -4.7	14.4
09/18	14:00:00	4.7	3.3 se	14.5 secs	2.4 se	11.4 secs	2.2 se	7.7secs	3.8 -4.8	14.5
09/18	13:00:00	4.4	3.0 se	14.7 secs	2.0 se	11.3 secs	2.0 se	7.7secs	3.5 -4.4	14.7
09/18	12:00:00	3.7	2.5 se	14.6 secs	1.7 se	11.4 secs	1.5 se	7.8secs	2.9 -3.6	14.6
09/18	11:00:00	3.6	2.4 se	14.4 secs	1.2 se	17.4 secs	1.6 se	10.1secs	2.8 -3.5	14.4
09/18	10:00:00	3.8	2.6 se	14.6 secs	1.9 se	11.3 secs	1.4 se	7.7secs	3.1 -3.8	14.6
09/18	09:00:00	3.7	2.5 se	14.8 secs	1.6 se	11.3 secs	1.2 se	7.8secs	2.9 -3.6	14.8
09/18	08:00:00	3.7	2.4 se	14.7 secs	1.6 se	11.3 secs	1.5 se	5.9secs	2.8 -3.6	14.7
09/18	07:00:00	3.7	2.6 se	14.7 secs	1.9 se	11.2 secs	1.5 se	5.8secs	3.1 -3.9	14.7
09/18	06:00:00	3.4	2.3 se	15.8 secs	1.6 se	11.0 secs	1.1 se	5.9secs	2.9 -3.6	15.8
09/18	05:00:00	3.2	2.2 se	14.7 secs	1.9 se	11.1 secs	0.8 se	7.7secs	2.5 -3.2	14.7
09/18	04:00:00	3.5	2.4 se	14.8 secs	2.1 se	11.0 secs	0.8 se	7.8secs	2.8 -3.5	14.8
09/18	03:00:00	3.6	2.7 se	15.7 secs	1.8 se	11.0 secs	0.7 se	7.8secs	3.4 -4.3	15.7
09/18	02:00:00	3.6	2.4 se	16.0 secs	2.5 se	12.7 secs	1.5 se	9.4secs	3.1 -3.9	16.0
09/18	01:00:00	3.3	2.4 se	16.1 secs	2.3 se	12.8 secs	1.2 se	9.3secs	3.1 -3.8	16.1
09/18	00:00:00	3.1	2.1 se	16.0 secs	2.3 se	12.7 secs	1.1 se	9.3secs	2.7 -3.4	16.0
09/17	23:00:00	3.9	2.6 se	16.0 secs	2.8 se	12.5 secs	1.3 se	9.3secs	3.4 -4.2	16.0

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 46028
22:00:00 (GMT) on 09/18
Combined Sea Height:	8.9 ft
Dominant Period:	11.0 secs
Wind Speed:	11.7 kts
Wind Gust:	15.6 kts
Wind Direction:	330 degrees
Barometric Pressure:	1008.7 mbs
Air Temperature:	32.0 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)
09/18	22:00:00	8.9	11.0	11.7	15.6	330	1008.7	32.0	32.0
09/18	21:00:00	9.2	0.0	7.8	11.7	320	1009.1	32.0	32.0
09/18	20:00:00	8.2	8.0	9.8	11.7	330	1009.1	32.0	32.0
09/18	19:00:00	0.0	0.0	9.8	13.7	010	1009.9	32.0	32.0
09/18	18:00:00	6.9	8.0	7.8	9.8	360	1010.4	32.0	32.0
09/18	17:00:00	7.2	8.0	9.8	13.7	340	1010.1	32.0	32.0
09/18	16:00:00	6.2	15.0	3.9	7.8	010	1010.7	32.0	32.0
09/18	15:00:00	0.0	0.0	3.9	7.8	050	1010.6	32.0	32.0
09/18	14:00:00	5.6	12.0	3.9	7.8	050	1010.4	32.0	32.0
09/18	13:00:00	0.0	0.0	17.6	23.4	310	1008.3	32.0	32.0
09/18	12:00:00	5.2	7.0	3.9	7.8	350	1010.0	32.0	32.0
09/18	11:00:00	5.2	16.0	1.9	3.9	340	1009.6	32.0	32.0
09/18	10:00:00	4.9	16.0	5.8	7.8	040	1009.7	32.0	32.0
09/18	09:00:00	4.9	15.0	5.8	7.8	300	1010.2	32.0	32.0
09/18	08:00:00	4.9	9.0	7.8	9.8	300	1009.9	32.0	32.0
09/18	07:00:00	4.9	10.0	3.9	5.8	290	1010.6	32.0	32.0
09/18	06:00:00	4.6	0.0	7.8	9.8	300	1010.5	32.0	32.0
09/18	05:00:00	4.6	15.0	7.8	9.8	310	1010.8	32.0	32.0
09/18	04:00:00	0.0	0.0	9.8	11.7	300	1010.6	32.0	32.0
09/18	03:00:00	4.6	0.0	9.8	13.7	300	1010.6	32.0	32.0
09/18	02:00:00	4.9	15.0	9.8	13.7	310	1010.4	32.0	32.0
09/18	01:00:00	4.6	10.0	13.7	17.6	330	1010.3	32.0	32.0
09/18	00:00:00	4.9	15.0	13.7	15.6	320	1010.8	32.0	32.0
09/17	23:00:00	4.3	11.0	11.7	13.7	330	1011.5	32.0	32.0

000092424 ___0.036161

Contact | About | Disclaimer | Privacy
Advertise/Content | Links