EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Cherry Point, WA
Friday Harbor WA
Port Townsend
Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
South Beach, OR
Charleston, OR
Port Orford, OR
Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#San Francisco, CA : 05/16/2025 12:20:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 12Z,  -0.10,   0.84,   1.00,  99.90,   0.26,
05/14 13Z,   0.00,  -0.26,   0.02,  99.90,   0.28,
05/14 14Z,   0.00,  -0.78,  -0.42,  99.90,   0.36,  (min)
05/14 15Z,   0.00,  -0.70,  -0.38,  99.90,   0.32,
05/14 16Z,   0.00,  -0.15,   0.11,  99.90,   0.26,
05/14 17Z,  -0.10,   0.70,   0.89,  99.90,   0.29,
05/14 18Z,   0.00,   1.67,   1.90,  99.90,   0.23,
05/14 19Z,  -0.10,   2.63,   2.92,  99.90,   0.39,
05/14 20Z,   0.00,   3.44,   3.76,  99.90,   0.32,
05/14 21Z,   0.00,   3.97,   4.23,  99.90,   0.26,
05/14 22Z,   0.00,   4.12,   4.38,  99.90,   0.26,  (max)
05/14 23Z,   0.00,   3.94,   4.19,  99.90,   0.25,
05/15 00Z,   0.00,   3.57,   3.86,  99.90,   0.29,
05/15 01Z,   0.10,   3.24,   3.43,  99.90,   0.09,
05/15 02Z,   0.10,   3.12,   3.31,  99.90,   0.09,  (min)
05/15 03Z,   0.10,   3.30,   3.52,  99.90,   0.12,
05/15 04Z,   0.00,   3.73,   4.02,  99.90,   0.29,
05/15 05Z,   0.00,   4.31,   4.63,  99.90,   0.32,
05/15 06Z,   0.00,   4.92,   5.27,  99.90,   0.35,
05/15 07Z,   0.00,   5.40,   5.69,  99.90,   0.29,
05/15 08Z,   0.00,   5.58,   5.84,  99.90,   0.26,  (max)
05/15 09Z,   0.00,   5.30,   5.50,  99.90,   0.20,
05/15 10Z,   0.00,   4.47,   4.57,  99.90,   0.10,
05/15 11Z,   0.00,   3.18,   3.14,  99.90,  -0.04,
05/15 12Z,   0.00,   1.69,   1.74,  99.90,   0.05,
05/15 13Z,   0.00,   0.35,   0.63,  99.90,   0.28,
05/15 14Z,   0.00,  -0.53,  -0.17,  99.90,   0.36,
05/15 15Z,   0.00,  -0.81,  -0.32,  99.90,   0.49,  (min)
05/15 16Z,   0.00,  -0.55,  -0.10,  99.90,   0.45,
05/15 17Z,   0.00,   0.12,   0.42,  99.90,   0.30,
05/15 18Z,   0.00,   1.00,   1.34,  99.90,   0.34,
05/15 19Z,   0.00,   1.95,   2.35,  99.90,   0.40,
05/15 20Z,   0.00,   2.86,   3.33,  99.90,   0.47,
05/15 21Z,   0.00,   3.58,   4.00,  99.90,   0.42,
05/15 22Z,   0.00,   4.00,   4.38,  99.90,   0.38,
05/15 23Z,   0.00,   4.08,   4.45,  99.90,   0.37,  (max)
05/16 00Z,   0.10,   3.87,   4.28,  99.90,   0.31,
05/16 01Z,   0.10,   3.55,   3.89,  99.90,   0.24,
05/16 02Z,   0.20,   3.32,   3.63,  99.90,   0.11,
05/16 03Z,   0.10,   3.31,   3.63,  99.90,   0.22,  (min)
05/16 04Z,   0.10,   3.56,   3.92,  99.90,   0.26,
05/16 05Z,   0.10,   3.99,   4.37,  99.90,   0.28,
05/16 06Z,   0.10,   4.53,   4.97,  99.90,   0.34,
05/16 07Z,   0.00,   5.04,   5.52,  99.90,   0.48,
05/16 08Z,   0.10,   5.40,   5.86,  99.90,   0.36,  (max)
05/16 09Z,   0.10,   5.42,   5.76,  99.90,   0.24,
05/16 10Z,   0.10,   4.98,   5.32,  99.90,   0.24,
05/16 11Z,   0.10,   4.01,   4.20,  99.90,   0.09,
05/16 12Z,   0.10,   2.67,   2.78,  99.90,   0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 13Z,   0.10,   1.24,  99.90,   1.37,   0.03,
05/16 14Z,   0.10,   0.06,  99.90,   0.20,   0.04,
05/16 15Z,   0.00,  -0.62,  99.90,  -0.56,   0.06,
05/16 16Z,   0.00,  -0.72,  99.90,  -0.65,   0.08,  (min)
05/16 17Z,   0.00,  -0.34,  99.90,  -0.24,   0.09,
05/16 18Z,   0.00,   0.38,  99.90,   0.49,   0.11,
05/16 19Z,   0.00,   1.26,  99.90,   1.39,   0.13,
05/16 20Z,   0.00,   2.19,  99.90,   2.34,   0.14,
05/16 21Z,   0.10,   3.04,  99.90,   3.30,   0.16,
05/16 22Z,   0.00,   3.69,  99.90,   3.87,   0.18,
05/16 23Z,   0.00,   4.04,  99.90,   4.23,   0.19,
05/17 00Z,   0.20,   4.06,  99.90,   4.47,   0.21,  (max)
05/17 01Z,   0.10,   3.85,  99.90,   4.16,   0.21,
05/17 02Z,   0.10,   3.58,  99.90,   3.89,   0.21,
05/17 03Z,   0.10,   3.41,  99.90,   3.72,   0.21,  (min)
05/17 04Z,   0.20,   3.45,  99.90,   3.86,   0.21,
05/17 05Z,   0.10,   3.71,  99.90,   4.02,   0.21,
05/17 06Z,   0.10,   4.12,  99.90,   4.43,   0.21,
05/17 07Z,   0.10,   4.60,  99.90,   4.91,   0.21,
05/17 08Z,   0.20,   5.03,  99.90,   5.44,   0.21,
05/17 09Z,   0.20,   5.29,  99.90,   5.69,   0.21,  (max)
05/17 10Z,   0.20,   5.20,  99.90,   5.61,   0.21,
05/17 11Z,   0.20,   4.64,  99.90,   5.05,   0.21,
05/17 12Z,   0.20,   3.62,  99.90,   4.03,   0.21,
05/17 13Z,   0.30,   2.30,  99.90,   2.81,   0.21,
05/17 14Z,   0.20,   0.96,  99.90,   1.37,   0.21,
05/17 15Z,   0.20,  -0.06,  99.90,   0.35,   0.21,
05/17 16Z,   0.20,  -0.58,  99.90,  -0.17,   0.21,  (min)
05/17 17Z,   0.20,  -0.57,  99.90,  -0.16,   0.21,
05/17 18Z,   0.20,  -0.11,  99.90,   0.30,   0.21,
05/17 19Z,   0.20,   0.63,  99.90,   1.03,   0.21,
05/17 20Z,   0.20,   1.51,  99.90,   1.92,   0.21,
05/17 21Z,   0.20,   2.42,  99.90,   2.83,   0.21,
05/17 22Z,   0.20,   3.23,  99.90,   3.64,   0.21,
05/17 23Z,   0.30,   3.83,  99.90,   4.34,   0.21,
05/18 00Z,   0.20,   4.12,  99.90,   4.53,   0.21,  (max)
05/18 01Z,   0.20,   4.10,  99.90,   4.51,   0.21,
05/18 02Z,   0.30,   3.88,  99.90,   4.39,   0.21,
05/18 03Z,   0.20,   3.61,  99.90,   4.02,   0.21,
05/18 04Z,   0.10,   3.45,  99.90,   3.76,   0.21,  (min)
05/18 05Z,   0.10,   3.48,  99.90,   3.79,   0.21,
05/18 06Z,   0.00,   3.71,  99.90,   3.91,   0.21,
05/18 07Z,   0.00,   4.07,  99.90,   4.28,   0.21,
05/18 08Z,   0.00,   4.50,  99.90,   4.71,   0.21,
05/18 09Z,   0.00,   4.88,  99.90,   5.09,   0.21,
05/18 10Z,   0.00,   5.08,  99.90,   5.29,   0.21,  (max)
05/18 11Z,   0.00,   4.93,  99.90,   5.14,   0.21,
05/18 12Z,   0.00,   4.35,  99.90,   4.55,   0.21,
05/18 13Z,   0.00,   3.33,  99.90,   3.54,   0.21,
05/18 14Z,  -0.10,   2.07,  99.90,   2.18,   0.21,
05/18 15Z,  -0.10,   0.85,  99.90,   0.96,   0.21,
05/18 16Z,  -0.10,  -0.05,  99.90,   0.06,   0.21,
05/18 17Z,  -0.10,  -0.46,  99.90,  -0.35,   0.21,  (min)
05/18 18Z,   0.00,  -0.37,  99.90,  -0.16,   0.21,
05/18 19Z,   0.00,   0.12,  99.90,   0.33,   0.21,
05/18 20Z,   0.00,   0.88,  99.90,   1.09,   0.21,
05/18 21Z,   0.00,   1.78,  99.90,   1.99,   0.21,
05/18 22Z,   0.00,   2.69,  99.90,   2.89,   0.21,
05/18 23Z,   0.00,   3.48,  99.90,   3.69,   0.21,
05/19 00Z,   0.00,   4.04,  99.90,   4.25,   0.21,
05/19 01Z,   0.00,   4.28,  99.90,   4.49,   0.21,  (max)
05/19 02Z,   0.00,   4.21,  99.90,   4.42,   0.21,
05/19 03Z,   0.00,   3.92,  99.90,   4.13,   0.21,
05/19 04Z,   0.00,   3.59,  99.90,   3.80,   0.21,
05/19 05Z,  -0.10,   3.36,  99.90,   3.47,   0.21,
05/19 06Z,  -0.20,   3.32,  99.90,   3.33,   0.21,  (min)
05/19 07Z,  -0.20,   3.49,  99.90,   3.50,   0.21,
05/19 08Z,  -0.20,   3.82,  99.90,   3.83,   0.21,
05/19 09Z,  -0.20,   4.23,  99.90,   4.24,   0.21,
05/19 10Z,  -0.20,   4.61,  99.90,   4.62,   0.21,
05/19 11Z,  -0.20,   4.80,  99.90,   4.81,   0.21,  (max)
05/19 12Z,  -0.20,   4.67,  99.90,   4.68,   0.21,
05/19 13Z,  -0.10,   4.11,  99.90,   4.22,   0.21,
05/19 14Z,  -0.10,   3.16,  99.90,   3.27,   0.21,
05/19 15Z,  -0.20,   2.00,  99.90,   2.01,   0.21,
05/19 16Z,  -0.10,   0.88,  99.90,   0.99,   0.21,
05/19 17Z,  -0.10,   0.07,  99.90,   0.18,   0.21,
05/19 18Z,  -0.10,  -0.27,  99.90,  -0.16,   0.21,  (min)
05/19 19Z,  -0.10,  -0.14,  99.90,  -0.03,   0.21,
05/19 20Z,   0.00,   0.40,  99.90,   0.61,   0.21,
05/19 21Z,   0.00,   1.20,  99.90,   1.40,   0.21,
05/19 22Z,   0.00,   2.13,  99.90,   2.34,   0.21,
05/19 23Z,   0.00,   3.06,  99.90,   3.26,   0.21,
05/20 00Z,   0.10,   3.84,  99.90,   4.15,   0.21,