SAN FRANCISCO 18NM West of San Francisco, CA (46026)

Conditions for Friday

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Weekly
Monthly
Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 55° F
Wind direction (W Dir): NNW (325 - 334 Degrees)
Wind Speed (W Spd): 7.8 kts (8.9 mph)
Wind Gust (W Spd): 9.7 kts (11.2 mph)
Atmospheric Pressure (AP): 30.19 in

Updated: 5:00 PM PST on November 22, 2019

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Current Wave Detail Observations

Water Depth: 180 ft
Wave Height: 5.22 ft
Spectral Peak Period: 17.4 sec
Average Wave Period: 11.0 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 5:00 PM PST on November 22, 2019

General Information

Location: 37.755 North -122.839 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D24
Payload: AMPS payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake

Weather and Wave Data

Time Temp Humidity Wind Dominant Wave Wind Wave Wave Swell Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Atmo.
(in)
Tend.
(in)
20:00 55
-
-
SE 5.8 6.7 - - - - - - 30.01 +0.06
20:20 55 54
-
SE 5.8 6.7 - - - - - - 30.02 -
20:30 55 54
-
SSE 5.8 6.7 - - - - - - 30.02 -
20:40 55 54
-
SE 7.8 8.9 - - - - - - 30.02 -
21:00 55 54
-
SE 5.8 6.7 - - - - - - 30.04 +0.07
21:50 55 54
-
SSE 7.8 8.9 10 4.92 exactly 4.9 4 1.64 0.82 - 2.46 10 4.92 4.10 - 5.74 30.04 -
22:00 55
-
-
SSE 7.8 8.9 - - - - - - 30.04 +0.06
22:10 55 54
-
SSE 7.8 8.9 - - - - - - 30.04 -
22:30 54 54
-
SSE 7.8 8.9 - - - - - - 30.06 -
22:40 55 54
-
SSE 5.8 6.7 - - - - - - 30.06 -
22:50 55 54
-
SSE 5.8 6.7 11 4.59 exactly 4.6 4 1.64 0.82 - 2.46 11 4.92 4.10 - 5.74 30.06 -
23:00 55 54
-
SSE 5.8 6.7 - - - - - - 30.07 +0.06
23:10 55 54
-
SSE 5.8 6.7 - - - - - - 30.08 -
23:20 55 54
-
SSE 5.8 6.7 - - - - - - 30.08 -
23:30 55 54
-
SSE 5.8 6.7 - - - - - - 30.09 -
23:40 55 54
-
SSE 5.8 6.7 - - - - - - 30.09 -
23:50 55 54
-
SSE 5.8 6.7 11 4.59 exactly 4.6 4 1.64 0.82 - 2.46 11 4.92 4.10 - 5.74 30.09 -
00:00 55 54
-
South 5.8 6.7 - - - - - - 30.09 +0.06
00:20 55 54
-
SSE 5.8 6.7 - - - - - - 30.10 -
00:40 55 54
-
SSE 3.9 4.5 - - - - - - 30.10 -
01:00 55 54
-
SE 3.9 4.5 - - - - - - 30.10 +0.06
01:10 55 54
-
SE 3.9 4.5 - - - - - - 30.10 -
01:20 55 54
-
ESE 1.9 2.2 - - - - - - 30.10 -
01:40 55 54
-
SE 3.9 4.5 - - - - - - 30.10 -
02:20 54 54
-
SE 3.9 4.5 - - - - - - 30.12 -
02:40 54 54
-
SSE 3.9 4.5 - - - - - - 30.12 -
03:10 54
-
SSE 3.9 4.5 - - - - - - 30.12 -
03:30 56 54
-
SSE 3.9 4.5 - - - - - - 30.12 -
03:40 56 54
-
SE 1.9 2.2 - - - - - - 30.12 -
03:50 56 54
-
SSE 3.9 4.5 11 4.59 exactly 4.6 4 1.64 0.82 - 2.46 11 4.92 4.10 - 5.74 30.12 -
04:10 56 54
-
South 1.9 2.2 - - - - - - 30.13 -
04:30 56 54
-
- 0.0 0.0 - - - - - - 30.13 -
04:50 56 54
-
- 0.0 0.0 14 4.27 exactly 4.3 - - - 14 4.92 4.10 - 5.74 30.14 -
05:20 56 54
-
East 1.9 2.2 - - - - - - 30.14 -
05:30 56 54
-
NE 3.9 4.5 - - - - - - 30.14 -
06:10 55 54
-
East 3.9 4.5 - - - - - - 30.15 -
06:40 55 54
-
East 5.8 6.7 - - - - - - 30.15 -
06:50 55 54
-
East 7.8 8.9 14 4.59 exactly 4.6 - - - 14 4.92 4.10 - 5.74 30.15 -
07:20 54 54
-
East 9.7 11.2 - - - - - - 30.16 -
07:40 54 54
-
East 9.7 11.2 - - - - - - 30.16 -
07:50 54 54
-
East 9.7 11.2 13 4.92 exactly 4.9 4 1.64 0.82 - 2.46 13 4.92 4.10 - 5.74 30.17 -
08:10 54 54
-
East 7.8 8.9 - - - - - - 30.18 -
08:20 54 54
-
East 5.8 6.7 - - - - - - 30.19 -
08:40 54 54
-
East 7.8 8.9 - - - - - - 30.19 -
09:00 54 54
-
East 5.8 6.7 - - - - - - 30.19 +0.05
09:20 54 54
-
East 7.8 8.9 - - - - - - 30.20 -
09:30 54 54
-
East 7.8 8.9 - - - - - - 30.20 -
09:50 54 54
-
East 7.8 8.9 19 5.25 exactly 5.2 3 1.64 0.82 - 2.46 19 4.92 4.10 - 5.74 30.21 -
10:50 54 54
-
ENE 7.8 8.9 19 5.25 exactly 5.2 4 1.64 0.82 - 2.46 19 4.92 4.10 - 5.74 30.21 -
11:10 54 54
-
East 7.8 8.9 - - - - - - 30.21 -
11:50 55 54
-
ESE 3.9 4.5 19 4.59 exactly 4.6 4 1.64 0.82 - 2.46 19 4.92 4.10 - 5.74 30.21 -
12:00 55 54
-
East 3.9 4.5 - - - - - - 30.20 +0.01
12:30 56
-
-
East 1.9 2.2 - - - - - - 30.19 -
12:50 56 54
-
ENE 1.9 2.2 19 4.92 exactly 4.9 4 1.64 0.82 - 2.46 19 4.92 4.10 - 5.74 30.19 -
13:00 56 54
-
ENE 1.9 2.2 - - - - - - 30.19 -0.01
14:00 56
-
-
WNW 3.9 4.5 - - - - - - 30.19 -0.02
14:10 55 55
-
NW 5.8 6.7 - - - - - - 30.19 -
14:20 55 55
-
NW 5.8 6.7 - - - - - - 30.19 -
14:40 55 55
-
NW 7.8 8.9 - - - - - - 30.19 -
14:50 56 55
-
NW 7.8 8.9 19 5.58 exactly 5.6 - - - 19 4.92 4.10 - 5.74 30.19 -
15:00 56 55
-
NW 7.8 8.9 - - - - - - 30.19 -0.01
15:10 56 56
-
NW 7.8 8.9 - - - - - - 30.19 -
15:20 56 55
-
NW 7.8 8.9 - - - - - - 30.19 -
15:30 56 55
-
NW 5.8 6.7 - - - - - - 30.18 -
15:40 56 55
-
NW 5.8 6.7 - - - - - - 30.18 -
15:50 55 55
-
NW 5.8 6.7 19 5.58 exactly 5.6 - - - 19 4.92 4.10 - 5.74 30.18 -
16:00 55 55
-
NW 5.8 6.7 - - - - - - 30.18 -0.01
16:30 55 55
-
NW 7.8 8.9 - - - - - - 30.19 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
04:00 180 ft 4.46 ft 11.4 sec 7.6 sec 0.6 sec 2400 sec
06:00 180 ft 4.43 ft 13.8 sec 7.8 sec 0.6 sec 2400 sec
07:00 180 ft 4.63 ft 13.8 sec 8.1 sec 0.6 sec 2400 sec
08:00 180 ft 4.95 ft 12.9 sec 8.4 sec 0.6 sec 2400 sec
10:00 180 ft 5.09 ft 19.0 sec 8.4 sec 0.6 sec 2400 sec
11:00 180 ft 5.38 ft 19.0 sec 8.8 sec 0.6 sec 2400 sec
17:00 180 ft 5.22 ft 17.4 sec 11.0 sec 0.6 sec 2400 sec