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
#Astoria, OR : 04/10/2026 20:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 00Z,   0.20,   4.53,   4.68,  99.90,  -0.05,
04/09 01Z,   0.20,   5.38,   5.53,  99.90,  -0.05,
04/09 02Z,   0.20,   5.88,   5.97,  99.90,  -0.11,  (max)
04/09 03Z,   0.20,   5.90,   5.91,  99.90,  -0.19,
04/09 04Z,   0.20,   5.44,   5.47,  99.90,  -0.17,
04/09 05Z,   0.20,   4.76,   4.81,  99.90,  -0.15,
04/09 06Z,   0.20,   4.18,   4.25,  99.90,  -0.13,
04/09 07Z,   0.20,   3.89,   4.13,  99.90,   0.04,  (min)
04/09 08Z,   0.20,   3.98,   4.41,  99.90,   0.23,
04/09 09Z,   0.20,   4.53,   5.01,  99.90,   0.28,
04/09 10Z,   0.20,   5.49,   5.80,  99.90,   0.11,
04/09 11Z,   0.20,   6.55,   6.58,  99.90,  -0.17,
04/09 12Z,   0.30,   7.33,   7.15,  99.90,  -0.48,
04/09 13Z,   0.30,   7.58,   7.32,  99.90,  -0.56,  (max)
04/09 14Z,   0.30,   7.28,   6.94,  99.90,  -0.64,
04/09 15Z,   0.30,   6.45,   5.95,  99.90,  -0.80,
04/09 16Z,   0.30,   5.20,   4.73,  99.90,  -0.77,
04/09 17Z,   0.30,   3.79,   3.51,  99.90,  -0.58,
04/09 18Z,   0.30,   2.58,   2.36,  99.90,  -0.52,
04/09 19Z,   0.30,   1.73,   1.49,  99.90,  -0.54,
04/09 20Z,   0.40,   1.26,   1.06,  99.90,  -0.60,  (min)
04/09 21Z,   0.40,   1.19,   1.12,  99.90,  -0.47,
04/09 22Z,   0.30,   1.60,   1.67,  99.90,  -0.23,
04/09 23Z,   0.40,   2.42,   2.56,  99.90,  -0.26,
04/10 00Z,   0.20,   3.43,   3.60,  99.90,  -0.03,
04/10 01Z,   0.20,   4.42,   4.65,  99.90,   0.03,
04/10 02Z,   0.20,   5.26,   5.45,  99.90,  -0.01,
04/10 03Z,   0.20,   5.80,   5.91,  99.90,  -0.09,
04/10 04Z,   0.30,   5.89,   6.00,  99.90,  -0.19,  (max)
04/10 05Z,   0.30,   5.52,   5.69,  99.90,  -0.13,
04/10 06Z,   0.20,   4.93,   5.12,  99.90,  -0.01,
04/10 07Z,   0.20,   4.41,   4.61,  99.90,   0.00,
04/10 08Z,   0.30,   4.11,   4.38,  99.90,  -0.03,  (min)
04/10 09Z,   0.30,   4.13,   4.57,  99.90,   0.14,
04/10 10Z,   0.20,   4.56,   4.97,  99.90,   0.21,
04/10 11Z,   0.30,   5.36,   5.61,  99.90,  -0.05,
04/10 12Z,   0.50,   6.26,   6.30,  99.90,  -0.46,
04/10 13Z,   0.50,   6.93,   6.83,  99.90,  -0.60,
04/10 14Z,   0.50,   7.17,   7.04,  99.90,  -0.63,  (max)
04/10 15Z,   0.50,   6.96,   6.80,  99.90,  -0.66,
04/10 16Z,   0.50,   6.28,   6.00,  99.90,  -0.78,
04/10 17Z,   0.50,   5.18,   4.89,  99.90,  -0.79,
04/10 18Z,   0.60,   3.92,   3.84,  99.90,  -0.68,
04/10 19Z,   0.60,   2.80,   2.76,  99.90,  -0.64,
04/10 20Z,   0.60,   1.97,   1.89,  99.90,  -0.68,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/10 21Z,   0.60,   1.44,  99.90,   1.40,  -0.64,
04/10 22Z,   0.60,   1.29,  99.90,   1.29,  -0.60,  (min)
04/10 23Z,   0.60,   1.62,  99.90,   1.66,  -0.56,
04/11 00Z,   0.70,   2.38,  99.90,   2.57,  -0.52,
04/11 01Z,   0.70,   3.38,  99.90,   3.61,  -0.47,
04/11 02Z,   0.70,   4.42,  99.90,   4.68,  -0.43,
04/11 03Z,   0.70,   5.35,  99.90,   5.66,  -0.39,
04/11 04Z,   0.70,   5.99,  99.90,   6.34,  -0.35,
04/11 05Z,   0.70,   6.13,  99.90,   6.52,  -0.31,  (max)
04/11 06Z,   0.70,   5.77,  99.90,   6.20,  -0.27,
04/11 07Z,   0.70,   5.15,  99.90,   5.62,  -0.23,
04/11 08Z,   0.70,   4.55,  99.90,   5.06,  -0.19,
04/11 09Z,   0.70,   4.11,  99.90,   4.62,  -0.19,
04/11 10Z,   0.70,   3.96,  99.90,   4.47,  -0.19,  (min)
04/11 11Z,   0.70,   4.25,  99.90,   4.76,  -0.19,
04/11 12Z,   0.70,   4.95,  99.90,   5.46,  -0.19,
04/11 13Z,   0.70,   5.80,  99.90,   6.31,  -0.19,
04/11 14Z,   0.70,   6.51,  99.90,   7.02,  -0.19,
04/11 15Z,   0.70,   6.90,  99.90,   7.41,  -0.19,  (max)
04/11 16Z,   0.70,   6.88,  99.90,   7.39,  -0.19,
04/11 17Z,   0.70,   6.36,  99.90,   6.87,  -0.19,
04/11 18Z,   0.70,   5.36,  99.90,   5.87,  -0.19,
04/11 19Z,   0.70,   4.15,  99.90,   4.66,  -0.19,
04/11 20Z,   0.70,   3.00,  99.90,   3.52,  -0.19,
04/11 21Z,   0.60,   2.08,  99.90,   2.49,  -0.19,
04/11 22Z,   0.60,   1.44,  99.90,   1.85,  -0.19,
04/11 23Z,   0.60,   1.21,  99.90,   1.62,  -0.19,  (min)
04/12 00Z,   0.60,   1.53,  99.90,   1.94,  -0.19,
04/12 01Z,   0.60,   2.36,  99.90,   2.77,  -0.19,
04/12 02Z,   0.60,   3.48,  99.90,   3.89,  -0.19,
04/12 03Z,   0.60,   4.68,  99.90,   5.09,  -0.19,
04/12 04Z,   0.60,   5.76,  99.90,   6.17,  -0.19,
04/12 05Z,   0.60,   6.45,  99.90,   6.86,  -0.19,
04/12 06Z,   0.60,   6.54,  99.90,   6.95,  -0.19,  (max)
04/12 07Z,   0.60,   6.05,  99.90,   6.46,  -0.19,
04/12 08Z,   0.60,   5.26,  99.90,   5.67,  -0.19,
04/12 09Z,   0.60,   4.44,  99.90,   4.86,  -0.19,
04/12 10Z,   0.70,   3.79,  99.90,   4.30,  -0.19,
04/12 11Z,   0.70,   3.47,  99.90,   3.98,  -0.19,  (min)
04/12 12Z,   0.70,   3.67,  99.90,   4.18,  -0.19,
04/12 13Z,   0.70,   4.37,  99.90,   4.88,  -0.19,
04/12 14Z,   0.70,   5.32,  99.90,   5.83,  -0.19,
04/12 15Z,   0.70,   6.21,  99.90,   6.72,  -0.19,
04/12 16Z,   0.70,   6.83,  99.90,   7.34,  -0.19,
04/12 17Z,   0.70,   7.01,  99.90,   7.52,  -0.19,  (max)
04/12 18Z,   0.70,   6.60,  99.90,   7.11,  -0.19,
04/12 19Z,   0.60,   5.62,  99.90,   6.03,  -0.19,
04/12 20Z,   0.60,   4.34,  99.90,   4.75,  -0.19,
04/12 21Z,   0.60,   3.08,  99.90,   3.49,  -0.19,
04/12 22Z,   0.60,   2.01,  99.90,   2.42,  -0.19,
04/12 23Z,   0.60,   1.27,  99.90,   1.68,  -0.19,
04/13 00Z,   0.60,   1.06,  99.90,   1.47,  -0.19,  (min)
04/13 01Z,   0.60,   1.50,  99.90,   1.92,  -0.19,
04/13 02Z,   0.60,   2.53,  99.90,   2.94,  -0.19,
04/13 03Z,   0.60,   3.88,  99.90,   4.29,  -0.19,
04/13 04Z,   0.60,   5.27,  99.90,   5.68,  -0.19,
04/13 05Z,   0.50,   6.44,  99.90,   6.75,  -0.19,
04/13 06Z,   0.50,   7.07,  99.90,   7.39,  -0.19,  (max)
04/13 07Z,   0.50,   6.96,  99.90,   7.27,  -0.19,
04/13 08Z,   0.50,   6.19,  99.90,   6.50,  -0.19,
04/13 09Z,   0.50,   5.11,  99.90,   5.42,  -0.19,
04/13 10Z,   0.50,   4.02,  99.90,   4.33,  -0.19,
04/13 11Z,   0.50,   3.15,  99.90,   3.46,  -0.19,
04/13 12Z,   0.50,   2.71,  99.90,   3.02,  -0.19,  (min)
04/13 13Z,   0.40,   2.93,  99.90,   3.14,  -0.19,
04/13 14Z,   0.50,   3.77,  99.90,   4.08,  -0.19,
04/13 15Z,   0.50,   4.93,  99.90,   5.24,  -0.19,
04/13 16Z,   0.40,   6.08,  99.90,   6.29,  -0.19,
04/13 17Z,   0.40,   6.95,  99.90,   7.16,  -0.19,
04/13 18Z,   0.40,   7.28,  99.90,   7.49,  -0.19,  (max)
04/13 19Z,   0.40,   6.88,  99.90,   7.09,  -0.19,
04/13 20Z,   0.40,   5.81,  99.90,   6.02,  -0.19,
04/13 21Z,   0.40,   4.39,  99.90,   4.60,  -0.19,
04/13 22Z,   0.30,   2.98,  99.90,   3.09,  -0.19,
04/13 23Z,   0.30,   1.81,  99.90,   1.92,  -0.19,
04/14 00Z,   0.30,   1.07,  99.90,   1.18,  -0.19,  (min)
04/14 01Z,   0.40,   0.99,  99.90,   1.21,  -0.19,
04/14 02Z,   0.40,   1.70,  99.90,   1.91,  -0.19,
04/14 03Z,   0.40,   3.02,  99.90,   3.24,  -0.19,
04/14 04Z,   0.40,   4.62,  99.90,   4.84,  -0.19,
04/14 05Z,   0.40,   6.16,  99.90,   6.37,  -0.19,
04/14 06Z,   0.30,   7.29,  99.90,   7.40,  -0.19,
04/14 07Z,   0.30,   7.69,  99.90,   7.80,  -0.19,  (max)
04/14 08Z,   0.30,   7.21,  99.90,   7.32,  -0.19,
04/14 09Z,   0.40,   6.06,  99.90,   6.27,  -0.19,
04/14 10Z,   0.40,   4.63,  99.90,   4.84,  -0.19,
04/14 11Z,   0.40,   3.28,  99.90,   3.49,  -0.19,
04/14 12Z,   0.40,   2.25,  99.90,   2.46,  -0.19,