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
#Port Chicago, CA : 05/20/2026 21:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 06Z,   0.10,   2.36,   2.70,  99.90,   0.24,  (min)
05/19 07Z,   0.10,   3.07,   3.62,  99.90,   0.45,
05/19 08Z,   0.10,   4.10,   4.57,  99.90,   0.37,
05/19 09Z,   0.10,   5.11,   5.26,  99.90,   0.05,
05/19 10Z,   0.10,   5.69,   5.63,  99.90,  -0.16,
05/19 11Z,   0.10,   5.68,   5.63,  99.90,  -0.15,  (max)
05/19 12Z,   0.10,   5.14,   5.10,  99.90,  -0.14,
05/19 13Z,   0.10,   4.17,   3.97,  99.90,  -0.30,
05/19 14Z,   0.10,   2.94,   2.70,  99.90,  -0.34,
05/19 15Z,   0.10,   1.66,   1.69,  99.90,  -0.07,
05/19 16Z,   0.10,   0.57,   0.95,  99.90,   0.28,
05/19 17Z,   0.10,  -0.27,   0.23,  99.90,   0.40,
05/19 18Z,   0.20,  -0.80,  -0.43,  99.90,   0.17,
05/19 19Z,   0.20,  -0.90,  -0.72,  99.90,  -0.02,  (min)
05/19 20Z,   0.20,  -0.42,  -0.27,  99.90,  -0.05,
05/19 21Z,   0.20,   0.53,   0.92,  99.90,   0.19,
05/19 22Z,   0.20,   1.67,   2.27,  99.90,   0.40,
05/19 23Z,   0.20,   2.71,   3.25,  99.90,   0.34,
05/20 00Z,   0.40,   3.49,   3.87,  99.90,  -0.02,
05/20 01Z,   0.40,   3.88,   4.09,  99.90,  -0.19,  (max)
05/20 02Z,   0.40,   3.79,   4.04,  99.90,  -0.15,
05/20 03Z,   0.40,   3.32,   3.65,  99.90,  -0.07,
05/20 04Z,   0.40,   2.73,   3.06,  99.90,  -0.07,
05/20 05Z,   0.40,   2.27,   2.50,  99.90,  -0.17,
05/20 06Z,   0.30,   2.11,   2.39,  99.90,  -0.02,  (min)
05/20 07Z,   0.30,   2.34,   2.86,  99.90,   0.22,
05/20 08Z,   0.30,   3.02,   3.71,  99.90,   0.39,
05/20 09Z,   0.30,   3.99,   4.61,  99.90,   0.32,
05/20 10Z,   0.30,   4.89,   5.25,  99.90,   0.06,
05/20 11Z,   0.30,   5.36,   5.58,  99.90,  -0.08,
05/20 12Z,   0.20,   5.30,  99.90,  99.90,  99.90,  (max)
05/20 13Z,   0.20,   4.77,   5.00,  99.90,   0.03,
05/20 14Z,   0.20,   3.86,   3.87,  99.90,  -0.19,
05/20 15Z,   0.20,   2.71,   2.67,  99.90,  -0.24,
05/20 16Z,   0.20,   1.53,   1.73,  99.90,   0.00,
05/20 17Z,   0.20,   0.51,   1.01,  99.90,   0.30,
05/20 18Z,   0.20,  -0.26,   0.33,  99.90,   0.39,
05/20 19Z,   0.20,  -0.74,  -0.28,  99.90,   0.26,
05/20 20Z,   0.20,  -0.78,  -0.48,  99.90,   0.10,  (min)
05/20 21Z,   0.20,  -0.26,   0.04,  99.90,   0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 22Z,   0.20,   0.69,  99.90,   0.98,   0.10,
05/20 23Z,   0.20,   1.78,  99.90,   2.08,   0.10,
05/21 00Z,   0.20,   2.79,  99.90,   3.08,   0.09,
05/21 01Z,   0.20,   3.55,  99.90,   3.84,   0.09,
05/21 02Z,   0.20,   3.91,  99.90,   4.20,   0.09,  (max)
05/21 03Z,   0.20,   3.80,  99.90,   4.08,   0.08,
05/21 04Z,   0.20,   3.30,  99.90,   3.58,   0.08,
05/21 05Z,   0.20,   2.70,  99.90,   2.97,   0.07,
05/21 06Z,   0.20,   2.21,  99.90,   2.49,   0.07,
05/21 07Z,   0.20,   2.00,  99.90,   2.27,   0.07,  (min)
05/21 08Z,   0.20,   2.18,  99.90,   2.44,   0.06,
05/21 09Z,   0.20,   2.79,  99.90,   3.05,   0.06,
05/21 10Z,   0.20,   3.66,  99.90,   3.92,   0.06,
05/21 11Z,   0.20,   4.45,  99.90,   4.71,   0.06,
05/21 12Z,   0.20,   4.85,  99.90,   5.11,   0.06,  (max)
05/21 13Z,   0.20,   4.81,  99.90,   5.07,   0.06,
05/21 14Z,   0.20,   4.35,  99.90,   4.61,   0.06,
05/21 15Z,   0.20,   3.55,  99.90,   3.81,   0.06,
05/21 16Z,   0.20,   2.51,  99.90,   2.77,   0.06,
05/21 17Z,   0.20,   1.44,  99.90,   1.70,   0.06,
05/21 18Z,   0.20,   0.52,  99.90,   0.78,   0.06,
05/21 19Z,   0.20,  -0.20,  99.90,   0.06,   0.06,
05/21 20Z,   0.20,  -0.63,  99.90,  -0.37,   0.06,  (min)
05/21 21Z,   0.20,  -0.62,  99.90,  -0.36,   0.06,
05/21 22Z,   0.20,  -0.07,  99.90,   0.19,   0.06,
05/21 23Z,   0.20,   0.86,  99.90,   1.12,   0.06,
05/22 00Z,   0.20,   1.93,  99.90,   2.19,   0.06,
05/22 01Z,   0.20,   2.91,  99.90,   3.17,   0.06,
05/22 02Z,   0.20,   3.65,  99.90,   3.91,   0.06,
05/22 03Z,   0.20,   3.99,  99.90,   4.25,   0.06,  (max)
05/22 04Z,   0.20,   3.83,  99.90,   4.09,   0.06,
05/22 05Z,   0.20,   3.30,  99.90,   3.56,   0.06,
05/22 06Z,   0.20,   2.65,  99.90,   2.91,   0.06,
05/22 07Z,   0.20,   2.11,  99.90,   2.37,   0.06,
05/22 08Z,   0.20,   1.82,  99.90,   2.08,   0.06,  (min)
05/22 09Z,   0.20,   1.90,  99.90,   2.16,   0.06,
05/22 10Z,   0.20,   2.40,  99.90,   2.66,   0.06,
05/22 11Z,   0.20,   3.16,  99.90,   3.42,   0.06,
05/22 12Z,   0.20,   3.85,  99.90,   4.11,   0.06,
05/22 13Z,   0.20,   4.24,  99.90,   4.50,   0.06,
05/22 14Z,   0.20,   4.27,  99.90,   4.53,   0.06,  (max)
05/22 15Z,   0.20,   3.95,  99.90,   4.21,   0.06,
05/22 16Z,   0.20,   3.28,  99.90,   3.54,   0.06,
05/22 17Z,   0.20,   2.37,  99.90,   2.63,   0.06,
05/22 18Z,   0.20,   1.40,  99.90,   1.66,   0.06,
05/22 19Z,   0.20,   0.56,  99.90,   0.82,   0.06,
05/22 20Z,   0.20,  -0.10,  99.90,   0.16,   0.06,
05/22 21Z,   0.20,  -0.48,  99.90,  -0.22,   0.06,  (min)
05/22 22Z,   0.20,  -0.42,  99.90,  -0.16,   0.06,
05/22 23Z,   0.20,   0.16,  99.90,   0.42,   0.06,
05/23 00Z,   0.20,   1.09,  99.90,   1.35,   0.06,
05/23 01Z,   0.20,   2.13,  99.90,   2.39,   0.06,
05/23 02Z,   0.20,   3.10,  99.90,   3.36,   0.06,
05/23 03Z,   0.20,   3.82,  99.90,   4.08,   0.06,
05/23 04Z,   0.20,   4.12,  99.90,   4.38,   0.06,  (max)
05/23 05Z,   0.20,   3.91,  99.90,   4.17,   0.06,
05/23 06Z,   0.20,   3.31,  99.90,   3.57,   0.06,
05/23 07Z,   0.20,   2.59,  99.90,   2.86,   0.06,
05/23 08Z,   0.20,   1.96,  99.90,   2.23,   0.06,
05/23 09Z,   0.20,   1.56,  99.90,   1.82,   0.06,
05/23 10Z,   0.20,   1.51,  99.90,   1.77,   0.06,  (min)
05/23 11Z,   0.20,   1.89,  99.90,   2.15,   0.06,
05/23 12Z,   0.20,   2.55,  99.90,   2.81,   0.06,
05/23 13Z,   0.20,   3.19,  99.90,   3.45,   0.06,
05/23 14Z,   0.20,   3.62,  99.90,   3.88,   0.06,
05/23 15Z,   0.20,   3.78,  99.90,   4.04,   0.06,  (max)
05/23 16Z,   0.20,   3.61,  99.90,   3.87,   0.06,
05/23 17Z,   0.20,   3.07,  99.90,   3.34,   0.06,
05/23 18Z,   0.20,   2.27,  99.90,   2.53,   0.06,
05/23 19Z,   0.20,   1.40,  99.90,   1.66,   0.06,
05/23 20Z,   0.20,   0.63,  99.90,   0.89,   0.06,
05/23 21Z,   0.20,   0.02,  99.90,   0.28,   0.06,
05/23 22Z,   0.20,  -0.30,  99.90,  -0.04,   0.06,  (min)
05/23 23Z,   0.20,  -0.17,  99.90,   0.09,   0.06,
05/24 00Z,   0.20,   0.45,  99.90,   0.71,   0.06,
05/24 01Z,   0.20,   1.40,  99.90,   1.66,   0.06,
05/24 02Z,   0.20,   2.44,  99.90,   2.70,   0.06,
05/24 03Z,   0.20,   3.40,  99.90,   3.66,   0.06,
05/24 04Z,   0.20,   4.08,  99.90,   4.34,   0.06,
05/24 05Z,   0.20,   4.31,  99.90,   4.57,   0.06,  (max)
05/24 06Z,   0.20,   3.99,  99.90,   4.26,   0.06,
05/24 07Z,   0.20,   3.31,  99.90,   3.57,   0.06,
05/24 08Z,   0.20,   2.50,  99.90,   2.76,   0.06,
05/24 09Z,   0.20,   1.76,  99.90,   2.02,   0.06,
05/24 10Z,   0.20,   1.22,  99.90,   1.48,   0.06,
05/24 11Z,   0.20,   1.05,  99.90,   1.31,   0.06,  (min)
05/24 12Z,   0.20,   1.32,  99.90,   1.58,   0.06,
05/24 13Z,  99.90,   1.91,  99.90,  99.90,   0.06,
05/24 14Z,  99.90,   2.56,  99.90,  99.90,   0.06,
05/24 15Z,  99.90,   3.09,  99.90,  99.90,   0.06,
05/24 16Z,  99.90,   3.39,  99.90,  99.90,   0.06,
05/24 17Z,  99.90,   3.37,  99.90,  99.90,   0.06,
05/24 18Z,  99.90,   2.95,  99.90,  99.90,   0.06,