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
#Seward, AK : 11/10/2025 01:22:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/08 06Z,   1.10,  -2.36,  -2.42,  99.90,  -1.16,  (min)
11/08 07Z,   1.10,  -0.93,  -1.08,  99.90,  -1.25,
11/08 08Z,   1.10,   1.61,   1.47,  99.90,  -1.24,
11/08 09Z,   1.20,   4.62,   4.37,  99.90,  -1.45,
11/08 10Z,   1.20,   7.38,   7.14,  99.90,  -1.44,
11/08 11Z,   1.20,   9.27,   9.08,  99.90,  -1.39,
11/08 12Z,   0.90,   9.97,   9.68,  99.90,  -1.19,  (max)
11/08 13Z,   0.90,   9.49,   9.34,  99.90,  -1.05,
11/08 14Z,   0.80,   8.08,   7.99,  99.90,  -0.89,
11/08 15Z,   0.80,   6.18,   5.94,  99.90,  -1.04,
11/08 16Z,   0.80,   4.39,   4.17,  99.90,  -1.02,
11/08 17Z,   0.80,   3.34,   3.30,  99.90,  -0.84,  (min)
11/08 18Z,   0.70,   3.47,   3.44,  99.90,  -0.73,
11/08 19Z,   0.70,   4.81,   4.82,  99.90,  -0.69,
11/08 20Z,   0.80,   7.00,   6.81,  99.90,  -0.99,
11/08 21Z,   0.80,   9.51,   9.17,  99.90,  -1.14,
11/08 22Z,   0.80,  11.68,  11.32,  99.90,  -1.16,
11/08 23Z,   0.90,  12.91,  12.50,  99.90,  -1.31,  (max)
11/09 00Z,   0.80,  12.82,  12.41,  99.90,  -1.21,
11/09 01Z,   0.80,  11.38,  10.95,  99.90,  -1.23,
11/09 02Z,   0.80,   8.82,   8.50,  99.90,  -1.12,
11/09 03Z,   0.80,   5.59,   5.28,  99.90,  -1.11,
11/09 04Z,   1.00,   2.29,   2.04,  99.90,  -1.25,
11/09 05Z,   1.10,  -0.36,  -0.58,  99.90,  -1.32,
11/09 06Z,   1.10,  -1.74,  -1.86,  99.90,  -1.22,  (min)
11/09 07Z,   1.20,  -1.61,  -1.73,  99.90,  -1.32,
11/09 08Z,   1.30,  -0.13,  -0.37,  99.90,  -1.54,
11/09 09Z,   1.40,   2.24,   1.96,  99.90,  -1.68,
11/09 10Z,   1.40,   4.94,   4.62,  99.90,  -1.72,
11/09 11Z,   1.50,   7.32,   7.05,  99.90,  -1.77,
11/09 12Z,   1.50,   8.90,   8.58,  99.90,  -1.82,
11/09 13Z,   1.50,   9.42,   8.99,  99.90,  -1.93,  (max)
11/09 14Z,   1.50,   8.94,   8.74,  99.90,  -1.70,
11/09 15Z,   1.50,   7.70,   7.51,  99.90,  -1.69,
11/09 16Z,   1.60,   6.07,   5.92,  99.90,  -1.75,
11/09 17Z,   1.80,   4.60,   4.47,  99.90,  -1.93,
11/09 18Z,   1.80,   3.85,   3.80,  99.90,  -1.85,  (min)
11/09 19Z,   1.90,   4.14,   4.19,  99.90,  -1.85,
11/09 20Z,   2.10,   5.41,   5.31,  99.90,  -2.20,
11/09 21Z,   2.20,   7.35,   7.14,  99.90,  -2.41,
11/09 22Z,   2.30,   9.45,   9.15,  99.90,  -2.60,
11/09 23Z,   2.40,  11.19,  11.00,  99.90,  -2.59,
11/10 00Z,   2.40,  12.07,  11.95,  99.90,  -2.52,  (max)
11/10 01Z,   2.40,  11.80,  11.55,  99.90,  -2.65,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/10 02Z,   2.40,  10.38,  99.90,  10.23,  -2.56,
11/10 03Z,   2.20,   8.06,  99.90,   7.79,  -2.47,
11/10 04Z,   2.10,   5.21,  99.90,   4.93,  -2.38,
11/10 05Z,   1.90,   2.37,  99.90,   1.98,  -2.29,
11/10 06Z,   1.90,   0.17,  99.90,  -0.14,  -2.20,
11/10 07Z,   1.70,  -0.90,  99.90,  -1.31,  -2.12,  (min)
11/10 08Z,   1.90,  -0.66,  99.90,  -0.79,  -2.03,
11/10 09Z,   1.90,   0.68,  99.90,   0.64,  -1.94,
11/10 10Z,   1.80,   2.75,  99.90,   2.70,  -1.85,
11/10 11Z,   1.60,   5.07,  99.90,   4.91,  -1.76,
11/10 12Z,   1.70,   7.10,  99.90,   7.13,  -1.67,
11/10 13Z,   1.70,   8.45,  99.90,   8.56,  -1.59,
11/10 14Z,   1.70,   8.92,  99.90,   9.03,  -1.59,  (max)
11/10 15Z,   1.50,   8.56,  99.90,   8.47,  -1.59,
11/10 16Z,   1.40,   7.55,  99.90,   7.36,  -1.59,
11/10 17Z,   1.50,   6.21,  99.90,   6.12,  -1.59,
11/10 18Z,   1.50,   5.00,  99.90,   4.91,  -1.59,
11/10 19Z,   1.30,   4.39,  99.90,   4.11,  -1.59,  (min)
11/10 20Z,   1.30,   4.64,  99.90,   4.35,  -1.59,
11/10 21Z,   1.40,   5.67,  99.90,   5.49,  -1.59,
11/10 22Z,   1.50,   7.21,  99.90,   7.13,  -1.59,
11/10 23Z,   1.50,   8.88,  99.90,   8.80,  -1.59,
11/11 00Z,   1.50,  10.25,  99.90,  10.17,  -1.59,
11/11 01Z,   1.60,  10.92,  99.90,  10.93,  -1.59,  (max)
11/11 02Z,   1.60,  10.65,  99.90,  10.67,  -1.59,
11/11 03Z,   1.50,   9.47,  99.90,   9.39,  -1.59,
11/11 04Z,   1.50,   7.54,  99.90,   7.45,  -1.59,
11/11 05Z,   1.50,   5.16,  99.90,   5.07,  -1.59,
11/11 06Z,   1.60,   2.78,  99.90,   2.79,  -1.59,
11/11 07Z,   1.60,   0.94,  99.90,   0.96,  -1.59,
11/11 08Z,   1.70,   0.07,  99.90,   0.18,  -1.59,  (min)
11/11 09Z,   1.70,   0.26,  99.90,   0.37,  -1.59,
11/11 10Z,   1.70,   1.37,  99.90,   1.48,  -1.59,
11/11 11Z,   1.60,   3.10,  99.90,   3.12,  -1.59,
11/11 12Z,   1.50,   5.07,  99.90,   4.99,  -1.59,
11/11 13Z,   1.60,   6.86,  99.90,   6.87,  -1.59,
11/11 14Z,   1.50,   8.10,  99.90,   8.02,  -1.59,
11/11 15Z,   1.40,   8.63,  99.90,   8.45,  -1.59,  (max)
11/11 16Z,   1.40,   8.45,  99.90,   8.27,  -1.59,
11/11 17Z,   1.40,   7.67,  99.90,   7.48,  -1.59,
11/11 18Z,   1.40,   6.53,  99.90,   6.35,  -1.59,
11/11 19Z,   1.30,   5.44,  99.90,   5.16,  -1.59,
11/11 20Z,   1.30,   4.81,  99.90,   4.52,  -1.59,  (min)
11/11 21Z,   1.40,   4.84,  99.90,   4.66,  -1.59,
11/11 22Z,   1.40,   5.51,  99.90,   5.32,  -1.59,
11/11 23Z,   1.30,   6.62,  99.90,   6.34,  -1.59,
11/12 00Z,   1.20,   7.92,  99.90,   7.54,  -1.59,
11/12 01Z,   1.10,   9.06,  99.90,   8.57,  -1.59,
11/12 02Z,   1.10,   9.69,  99.90,   9.20,  -1.59,  (max)
11/12 03Z,   1.00,   9.60,  99.90,   9.02,  -1.59,
11/12 04Z,   0.90,   8.77,  99.90,   8.08,  -1.59,
11/12 05Z,   0.90,   7.28,  99.90,   6.59,  -1.59,
11/12 06Z,   0.90,   5.34,  99.90,   4.66,  -1.59,
11/12 07Z,   0.90,   3.35,  99.90,   2.67,  -1.59,
11/12 08Z,   0.90,   1.77,  99.90,   1.08,  -1.59,
11/12 09Z,   0.70,   0.96,  99.90,   0.07,  -1.59,  (min)
11/12 10Z,   0.90,   1.02,  99.90,   0.34,  -1.59,
11/12 11Z,   1.00,   1.88,  99.90,   1.30,  -1.59,
11/12 12Z,   0.90,   3.34,  99.90,   2.66,  -1.59,
11/12 13Z,   0.80,   5.10,  99.90,   4.31,  -1.59,
11/12 14Z,   0.80,   6.77,  99.90,   5.98,  -1.59,
11/12 15Z,   0.80,   8.02,  99.90,   7.24,  -1.59,
11/12 16Z,   0.80,   8.67,  99.90,   7.88,  -1.59,  (max)
11/12 17Z,   0.80,   8.64,  99.90,   7.86,  -1.59,
11/12 18Z,   0.90,   7.99,  99.90,   7.31,  -1.59,
11/12 19Z,   1.00,   6.91,  99.90,   6.33,  -1.59,
11/12 20Z,   0.90,   5.77,  99.90,   5.08,  -1.59,
11/12 21Z,   0.90,   4.94,  99.90,   4.26,  -1.59,
11/12 22Z,   0.90,   4.66,  99.90,   3.97,  -1.59,  (min)
11/12 23Z,   0.90,   4.94,  99.90,   4.25,  -1.59,
11/13 00Z,   0.90,   5.70,  99.90,   5.02,  -1.59,
11/13 01Z,   0.80,   6.77,  99.90,   5.99,  -1.59,
11/13 02Z,   0.80,   7.85,  99.90,   7.07,  -1.59,
11/13 03Z,   0.80,   8.60,  99.90,   7.82,  -1.59,
11/13 04Z,   0.80,   8.80,  99.90,   8.01,  -1.59,  (max)
11/13 05Z,   0.80,   8.34,  99.90,   7.55,  -1.59,
11/13 06Z,   0.90,   7.25,  99.90,   6.56,  -1.59,
11/13 07Z,   0.90,   5.67,  99.90,   4.98,  -1.59,
11/13 08Z,   0.90,   3.93,  99.90,   3.25,  -1.59,
11/13 09Z,   0.90,   2.48,  99.90,   1.79,  -1.59,
11/13 10Z,   0.90,   1.65,  99.90,   0.97,  -1.59,
11/13 11Z,   0.90,   1.59,  99.90,   0.91,  -1.59,  (min)
11/13 12Z,   0.80,   2.28,  99.90,   1.50,  -1.59,
11/13 13Z,   0.80,   3.60,  99.90,   2.82,  -1.59,
11/13 14Z,   0.80,   5.29,  99.90,   4.50,  -1.59,
11/13 15Z,   0.80,   6.97,  99.90,   6.18,  -1.59,
11/13 16Z,   0.80,   8.29,  99.90,   7.50,  -1.59,
11/13 17Z,   0.80,   9.02,  99.90,   8.23,  -1.59,
11/13 18Z,   0.80,   9.04,  99.90,   8.26,  -1.59,