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
#South Beach, Yaquina R. OR : 04/10/2026 15:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 00Z,   0.00,   5.20,   5.33,  99.90,   0.13,
04/09 01Z,   0.00,   5.60,   5.81,  99.90,   0.21,  (max)
04/09 02Z,   0.00,   5.58,   5.77,  99.90,   0.19,
04/09 03Z,   0.00,   5.27,   5.54,  99.90,   0.27,
04/09 04Z,   0.00,   4.88,   5.16,  99.90,   0.28,
04/09 05Z,   0.00,   4.56,   4.86,  99.90,   0.30,
04/09 06Z,   0.00,   4.43,   4.75,  99.90,   0.32,  (min)
04/09 07Z,   0.00,   4.60,   4.92,  99.90,   0.32,
04/09 08Z,   0.00,   5.09,   5.41,  99.90,   0.32,
04/09 09Z,   0.00,   5.76,   6.01,  99.90,   0.25,
04/09 10Z,   0.00,   6.41,   6.63,  99.90,   0.22,
04/09 11Z,   0.00,   6.89,   7.12,  99.90,   0.23,
04/09 12Z,   0.10,   7.10,   7.24,  99.90,   0.04,  (max)
04/09 13Z,   0.00,   6.89,   6.95,  99.90,   0.06,
04/09 14Z,   0.10,   6.18,   6.23,  99.90,  -0.05,
04/09 15Z,   0.10,   5.07,   5.23,  99.90,   0.06,
04/09 16Z,   0.10,   3.82,   4.06,  99.90,   0.14,
04/09 17Z,   0.10,   2.65,   2.86,  99.90,   0.11,
04/09 18Z,   0.10,   1.72,   1.98,  99.90,   0.16,
04/09 19Z,   0.10,   1.20,   1.47,  99.90,   0.17,  (min)
04/09 20Z,   0.10,   1.20,   1.60,  99.90,   0.30,
04/09 21Z,   0.10,   1.67,   2.08,  99.90,   0.31,
04/09 22Z,   0.20,   2.43,   2.79,  99.90,   0.16,
04/09 23Z,   0.20,   3.33,   3.68,  99.90,   0.15,
04/10 00Z,   0.00,   4.25,   4.59,  99.90,   0.34,
04/10 01Z,   0.00,   5.01,   5.42,  99.90,   0.41,
04/10 02Z,   0.00,   5.45,   5.81,  99.90,   0.36,
04/10 03Z,   0.10,   5.52,   5.96,  99.90,   0.34,  (max)
04/10 04Z,   0.10,   5.33,   5.81,  99.90,   0.38,
04/10 05Z,   0.00,   5.03,   5.43,  99.90,   0.40,
04/10 06Z,   0.00,   4.74,   5.24,  99.90,   0.50,
04/10 07Z,   0.10,   4.57,   5.07,  99.90,   0.40,  (min)
04/10 08Z,   0.00,   4.64,   5.19,  99.90,   0.55,
04/10 09Z,   0.00,   5.00,   5.49,  99.90,   0.49,
04/10 10Z,   0.10,   5.53,   5.92,  99.90,   0.29,
04/10 11Z,   0.10,   6.07,   6.52,  99.90,   0.35,
04/10 12Z,   0.10,   6.51,   6.89,  99.90,   0.28,
04/10 13Z,   0.10,   6.74,   7.08,  99.90,   0.24,  (max)
04/10 14Z,   0.20,   6.59,   6.74,  99.90,  -0.05,
04/10 15Z,   0.20,   5.98,   6.19,  99.90,   0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/10 16Z,   0.20,   5.01,  99.90,   5.23,   0.02,
04/10 17Z,   0.20,   3.88,  99.90,   4.11,   0.03,
04/10 18Z,   0.30,   2.77,  99.90,   3.11,   0.04,
04/10 19Z,   0.30,   1.84,  99.90,   2.19,   0.06,
04/10 20Z,   0.20,   1.27,  99.90,   1.54,   0.07,  (min)
04/10 21Z,   0.30,   1.20,  99.90,   1.58,   0.08,
04/10 22Z,   0.30,   1.60,  99.90,   1.99,   0.09,
04/10 23Z,   0.40,   2.32,  99.90,   2.82,   0.10,
04/11 00Z,   0.30,   3.23,  99.90,   3.64,   0.11,
04/11 01Z,   0.30,   4.21,  99.90,   4.63,   0.13,
04/11 02Z,   0.40,   5.06,  99.90,   5.60,   0.14,
04/11 03Z,   0.40,   5.58,  99.90,   6.13,   0.15,
04/11 04Z,   0.40,   5.71,  99.90,   6.25,   0.15,  (max)
04/11 05Z,   0.40,   5.54,  99.90,   6.09,   0.15,
04/11 06Z,   0.40,   5.19,  99.90,   5.74,   0.15,
04/11 07Z,   0.40,   4.78,  99.90,   5.33,   0.15,
04/11 08Z,   0.40,   4.44,  99.90,   4.99,   0.15,
04/11 09Z,   0.40,   4.36,  99.90,   4.91,   0.15,  (min)
04/11 10Z,   0.40,   4.60,  99.90,   5.15,   0.15,
04/11 11Z,   0.40,   5.06,  99.90,   5.61,   0.15,
04/11 12Z,   0.40,   5.62,  99.90,   6.17,   0.15,
04/11 13Z,   0.40,   6.16,  99.90,   6.71,   0.15,
04/11 14Z,   0.40,   6.52,  99.90,   7.07,   0.15,  (max)
04/11 15Z,   0.40,   6.50,  99.90,   7.05,   0.15,
04/11 16Z,   0.30,   6.00,  99.90,   6.45,   0.15,
04/11 17Z,   0.30,   5.10,  99.90,   5.55,   0.15,
04/11 18Z,   0.40,   3.99,  99.90,   4.54,   0.15,
04/11 19Z,   0.30,   2.82,  99.90,   3.27,   0.15,
04/11 20Z,   0.30,   1.80,  99.90,   2.25,   0.15,
04/11 21Z,   0.30,   1.15,  99.90,   1.60,   0.15,
04/11 22Z,   0.30,   1.04,  99.90,   1.49,   0.15,  (min)
04/11 23Z,   0.30,   1.46,  99.90,   1.91,   0.15,
04/12 00Z,   0.30,   2.27,  99.90,   2.72,   0.15,
04/12 01Z,   0.30,   3.32,  99.90,   3.77,   0.15,
04/12 02Z,   0.30,   4.45,  99.90,   4.90,   0.15,
04/12 03Z,   0.40,   5.42,  99.90,   5.97,   0.15,
04/12 04Z,   0.30,   5.98,  99.90,   6.43,   0.15,
04/12 05Z,   0.30,   6.08,  99.90,   6.52,   0.15,  (max)
04/12 06Z,   0.30,   5.78,  99.90,   6.23,   0.15,
04/12 07Z,   0.30,   5.21,  99.90,   5.66,   0.15,
04/12 08Z,   0.40,   4.54,  99.90,   5.09,   0.15,
04/12 09Z,   0.40,   3.97,  99.90,   4.52,   0.15,
04/12 10Z,   0.40,   3.75,  99.90,   4.30,   0.15,  (min)
04/12 11Z,   0.40,   3.95,  99.90,   4.50,   0.15,
04/12 12Z,   0.30,   4.49,  99.90,   4.93,   0.15,
04/12 13Z,   0.40,   5.20,  99.90,   5.74,   0.15,
04/12 14Z,   0.40,   5.93,  99.90,   6.48,   0.15,
04/12 15Z,   0.30,   6.49,  99.90,   6.94,   0.15,
04/12 16Z,   0.30,   6.61,  99.90,   7.05,   0.15,  (max)
04/12 17Z,   0.30,   6.17,  99.90,   6.62,   0.15,
04/12 18Z,   0.40,   5.25,  99.90,   5.80,   0.15,
04/12 19Z,   0.30,   4.04,  99.90,   4.49,   0.15,
04/12 20Z,   0.30,   2.74,  99.90,   3.18,   0.15,
04/12 21Z,   0.30,   1.59,  99.90,   2.04,   0.15,
04/12 22Z,   0.30,   0.91,  99.90,   1.36,   0.15,
04/12 23Z,   0.30,   0.87,  99.90,   1.32,   0.15,  (min)
04/13 00Z,   0.20,   1.44,  99.90,   1.79,   0.15,
04/13 01Z,   0.20,   2.45,  99.90,   2.80,   0.15,
04/13 02Z,   0.30,   3.73,  99.90,   4.18,   0.15,
04/13 03Z,   0.20,   5.04,  99.90,   5.39,   0.15,
04/13 04Z,   0.10,   6.08,  99.90,   6.33,   0.15,
04/13 05Z,   0.10,   6.58,  99.90,   6.83,   0.15,  (max)
04/13 06Z,   0.20,   6.48,  99.90,   6.83,   0.15,
04/13 07Z,   0.10,   5.88,  99.90,   6.13,   0.15,
04/13 08Z,   0.10,   4.96,  99.90,   5.21,   0.15,
04/13 09Z,   0.10,   3.95,  99.90,   4.20,   0.15,
04/13 10Z,   0.10,   3.17,  99.90,   3.42,   0.15,
04/13 11Z,   0.10,   2.89,  99.90,   3.14,   0.15,  (min)
04/13 12Z,   0.10,   3.18,  99.90,   3.43,   0.15,
04/13 13Z,   0.10,   3.91,  99.90,   4.16,   0.15,
04/13 14Z,   0.10,   4.88,  99.90,   5.13,   0.15,
04/13 15Z,   0.10,   5.88,  99.90,   6.13,   0.15,
04/13 16Z,   0.00,   6.63,  99.90,   6.78,   0.15,
04/13 17Z,   0.00,   6.84,  99.90,   6.99,   0.15,  (max)
04/13 18Z,   0.00,   6.38,  99.90,   6.53,   0.15,
04/13 19Z,   0.00,   5.36,  99.90,   5.51,   0.15,
04/13 20Z,   0.00,   3.98,  99.90,   4.13,   0.15,
04/13 21Z,   0.00,   2.52,  99.90,   2.66,   0.15,
04/13 22Z,   0.00,   1.30,  99.90,   1.45,   0.15,
04/13 23Z,   0.00,   0.69,  99.90,   0.84,   0.15,  (min)
04/14 00Z,   0.00,   0.85,  99.90,   0.99,   0.15,
04/14 01Z,   0.00,   1.68,  99.90,   1.83,   0.15,
04/14 02Z,   0.00,   2.98,  99.90,   3.12,   0.15,
04/14 03Z,   0.00,   4.49,  99.90,   4.64,   0.15,
04/14 04Z,   0.00,   5.92,  99.90,   6.07,   0.15,
04/14 05Z,   0.00,   6.92,  99.90,   7.07,   0.15,
04/14 06Z,   0.00,   7.20,  99.90,   7.35,   0.15,
04/14 07Z,  99.90,   6.75,  99.90,  99.90,   0.15,
04/14 08Z,  99.90,   5.72,  99.90,  99.90,   0.15,
04/14 09Z,  99.90,   4.36,  99.90,  99.90,   0.15,
04/14 10Z,  99.90,   3.03,  99.90,  99.90,   0.15,
04/14 11Z,  99.90,   2.11,  99.90,  99.90,   0.15,
04/14 12Z,  99.90,   1.89,  99.90,  99.90,   0.15,