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
#Valdez, AK : 07/10/2025 12:20:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 12Z,   1.00,   4.42,   3.88,  99.90,  -1.54,
07/08 13Z,   1.00,   2.08,   1.58,  99.90,  -1.50,
07/08 14Z,   0.90,   0.43,   0.11,  99.90,  -1.22,
07/08 15Z,   0.90,  -0.11,  -0.35,  99.90,  -1.14,  (min)
07/08 16Z,   0.90,   0.59,   0.24,  99.90,  -1.25,
07/08 17Z,   1.00,   2.25,   1.80,  99.90,  -1.45,
07/08 18Z,   1.00,   4.36,   3.86,  99.90,  -1.50,
07/08 19Z,   1.00,   6.39,   5.92,  99.90,  -1.47,
07/08 20Z,   1.10,   7.93,   7.54,  99.90,  -1.49,
07/08 21Z,   1.10,   8.76,   8.46,  99.90,  -1.40,  (max)
07/08 22Z,   1.20,   8.81,   8.45,  99.90,  -1.56,
07/08 23Z,   1.20,   8.17,   7.62,  99.90,  -1.75,
07/09 00Z,   1.10,   7.06,   6.34,  99.90,  -1.82,
07/09 01Z,   1.00,   5.84,   5.10,  99.90,  -1.74,
07/09 02Z,   1.00,   4.97,   4.32,  99.90,  -1.65,  (min)
07/09 03Z,   0.90,   4.91,   4.33,  99.90,  -1.48,
07/09 04Z,   1.00,   5.83,   5.28,  99.90,  -1.55,
07/09 05Z,   1.00,   7.51,   6.82,  99.90,  -1.69,
07/09 06Z,   1.00,   9.43,   8.62,  99.90,  -1.81,
07/09 07Z,   1.00,  11.03,  10.30,  99.90,  -1.73,
07/09 08Z,   1.00,  11.89,  11.29,  99.90,  -1.60,  (max)
07/09 09Z,   1.00,  11.80,  11.26,  99.90,  -1.54,
07/09 10Z,   1.00,  10.70,  10.14,  99.90,  -1.56,
07/09 11Z,   1.00,   8.72,   8.12,  99.90,  -1.60,
07/09 12Z,   0.90,   6.11,   5.46,  99.90,  -1.55,
07/09 13Z,   0.80,   3.30,   2.56,  99.90,  -1.54,
07/09 14Z,   0.70,   0.86,   0.18,  99.90,  -1.38,
07/09 15Z,   0.70,  -0.59,  -1.26,  99.90,  -1.37,
07/09 16Z,   0.60,  -0.67,  -1.28,  99.90,  -1.21,  (min)
07/09 17Z,   0.60,   0.59,  -0.05,  99.90,  -1.24,
07/09 18Z,   0.70,   2.72,   2.07,  99.90,  -1.35,
07/09 19Z,   0.70,   5.11,   4.47,  99.90,  -1.34,
07/09 20Z,   0.80,   7.23,   6.63,  99.90,  -1.40,
07/09 21Z,   0.80,   8.71,   8.08,  99.90,  -1.43,
07/09 22Z,   0.70,   9.36,   8.60,  99.90,  -1.46,  (max)
07/09 23Z,   0.70,   9.12,   8.31,  99.90,  -1.51,
07/10 00Z,   0.70,   8.11,   7.17,  99.90,  -1.64,
07/10 01Z,   0.60,   6.66,   5.75,  99.90,  -1.51,
07/10 02Z,   0.60,   5.25,   4.35,  99.90,  -1.50,
07/10 03Z,   0.50,   4.46,   3.54,  99.90,  -1.42,  (min)
07/10 04Z,   0.60,   4.73,   3.81,  99.90,  -1.52,
07/10 05Z,   0.60,   6.08,   5.08,  99.90,  -1.60,
07/10 06Z,   0.50,   8.11,   7.10,  99.90,  -1.51,
07/10 07Z,   0.50,  10.18,   9.26,  99.90,  -1.42,
07/10 08Z,   0.50,  11.71,  10.89,  99.90,  -1.32,
07/10 09Z,   0.70,  12.36,  11.54,  99.90,  -1.52,  (max)
07/10 10Z,   0.80,  11.95,  11.19,  99.90,  -1.56,
07/10 11Z,   0.90,  10.44,   9.67,  99.90,  -1.67,
07/10 12Z,   0.80,   8.00,   7.20,  99.90,  -1.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 13Z,   0.70,   4.98,  99.90,   4.10,  -1.58,
07/10 14Z,   0.60,   1.96,  99.90,   1.00,  -1.56,
07/10 15Z,   0.40,  -0.37,  99.90,  -1.51,  -1.54,
07/10 16Z,   0.40,  -1.39,  99.90,  -2.51,  -1.53,  (min)
07/10 17Z,   0.50,  -0.86,  99.90,  -1.86,  -1.51,
07/10 18Z,   0.60,   0.98,  99.90,   0.09,  -1.49,
07/10 19Z,   0.70,   3.52,  99.90,   2.75,  -1.47,
07/10 20Z,   0.80,   6.09,  99.90,   5.43,  -1.45,
07/10 21Z,   0.90,   8.19,  99.90,   7.65,  -1.44,
07/10 22Z,   0.90,   9.48,  99.90,   8.97,  -1.42,
07/10 23Z,   1.00,   9.80,  99.90,   9.41,  -1.40,  (max)
07/11 00Z,   1.00,   9.14,  99.90,   8.75,  -1.38,
07/11 01Z,   1.10,   7.70,  99.90,   7.42,  -1.38,
07/11 02Z,   1.00,   5.95,  99.90,   5.57,  -1.38,
07/11 03Z,   1.00,   4.51,  99.90,   4.13,  -1.38,
07/11 04Z,   1.00,   3.99,  99.90,   3.60,  -1.38,  (min)
07/11 05Z,   1.00,   4.71,  99.90,   4.32,  -1.38,
07/11 06Z,   1.10,   6.51,  99.90,   6.23,  -1.38,
07/11 07Z,   1.10,   8.81,  99.90,   8.53,  -1.38,
07/11 08Z,   1.10,  10.93,  99.90,  10.65,  -1.38,
07/11 09Z,   1.10,  12.31,  99.90,  12.03,  -1.38,
07/11 10Z,   1.10,  12.65,  99.90,  12.37,  -1.38,  (max)
07/11 11Z,   1.00,  11.81,  99.90,  11.43,  -1.38,
07/11 12Z,   1.00,   9.82,  99.90,   9.44,  -1.38,
07/11 13Z,   1.00,   6.92,  99.90,   6.54,  -1.38,
07/11 14Z,   1.00,   3.61,  99.90,   3.23,  -1.38,
07/11 15Z,   0.90,   0.59,  99.90,   0.11,  -1.38,
07/11 16Z,   0.90,  -1.39,  99.90,  -1.87,  -1.38,
07/11 17Z,   0.90,  -1.81,  99.90,  -2.29,  -1.38,  (min)
07/11 18Z,   0.90,  -0.60,  99.90,  -1.08,  -1.38,
07/11 19Z,   0.90,   1.78,  99.90,   1.29,  -1.38,
07/11 20Z,   0.80,   4.61,  99.90,   4.03,  -1.38,
07/11 21Z,   0.80,   7.23,  99.90,   6.64,  -1.38,
07/11 22Z,   0.70,   9.16,  99.90,   8.48,  -1.38,
07/11 23Z,   0.70,  10.12,  99.90,   9.44,  -1.38,  (max)
07/12 00Z,   0.80,   9.98,  99.90,   9.40,  -1.38,
07/12 01Z,   0.70,   8.82,  99.90,   8.14,  -1.38,
07/12 02Z,   0.60,   6.99,  99.90,   6.21,  -1.38,
07/12 03Z,   0.50,   5.08,  99.90,   4.20,  -1.38,
07/12 04Z,   0.50,   3.78,  99.90,   2.90,  -1.38,
07/12 05Z,   0.50,   3.65,  99.90,   2.77,  -1.38,  (min)
07/12 06Z,   0.50,   4.86,  99.90,   3.98,  -1.38,
07/12 07Z,   0.50,   7.05,  99.90,   6.17,  -1.38,
07/12 08Z,   0.50,   9.53,  99.90,   8.65,  -1.38,
07/12 09Z,   0.50,  11.57,  99.90,  10.69,  -1.38,
07/12 10Z,   0.50,  12.68,  99.90,  11.80,  -1.38,  (max)
07/12 11Z,   0.50,  12.61,  99.90,  11.73,  -1.38,
07/12 12Z,   0.50,  11.29,  99.90,  10.41,  -1.38,
07/12 13Z,   0.40,   8.83,  99.90,   7.85,  -1.38,
07/12 14Z,   0.40,   5.59,  99.90,   4.61,  -1.38,
07/12 15Z,   0.30,   2.20,  99.90,   1.12,  -1.38,
07/12 16Z,   0.20,  -0.57,  99.90,  -1.75,  -1.38,
07/12 17Z,   0.20,  -2.00,  99.90,  -3.18,  -1.38,  (min)
07/12 18Z,   0.20,  -1.72,  99.90,  -2.90,  -1.38,
07/12 19Z,   0.10,   0.14,  99.90,  -1.14,  -1.38,
07/12 20Z,   0.20,   2.95,  99.90,   1.77,  -1.38,
07/12 21Z,   0.30,   5.93,  99.90,   4.85,  -1.38,
07/12 22Z,   0.40,   8.43,  99.90,   7.44,  -1.38,
07/12 23Z,   0.50,  10.03,  99.90,   9.15,  -1.38,
07/13 00Z,   0.40,  10.52,  99.90,   9.54,  -1.38,  (max)
07/13 01Z,   0.40,   9.86,  99.90,   8.88,  -1.38,
07/13 02Z,   0.30,   8.24,  99.90,   7.16,  -1.38,
07/13 03Z,   0.30,   6.13,  99.90,   5.04,  -1.38,
07/13 04Z,   0.30,   4.20,  99.90,   3.12,  -1.38,
07/13 05Z,   0.30,   3.17,  99.90,   2.09,  -1.38,  (min)
07/13 06Z,   0.40,   3.49,  99.90,   2.51,  -1.38,
07/13 07Z,   0.50,   5.14,  99.90,   4.26,  -1.38,
07/13 08Z,   0.60,   7.61,  99.90,   6.83,  -1.38,
07/13 09Z,   0.60,  10.11,  99.90,   9.33,  -1.38,
07/13 10Z,   0.60,  11.94,  99.90,  11.16,  -1.38,
07/13 11Z,   0.50,  12.67,  99.90,  11.79,  -1.38,  (max)
07/13 12Z,   0.40,  12.15,  99.90,  11.17,  -1.38,
07/13 13Z,   0.20,  10.39,  99.90,   9.21,  -1.38,
07/13 14Z,   0.20,   7.59,  99.90,   6.41,  -1.38,
07/13 15Z,   0.20,   4.23,  99.90,   3.05,  -1.38,
07/13 16Z,   0.20,   1.00,  99.90,  -0.18,  -1.38,
07/13 17Z,   0.30,  -1.30,  99.90,  -2.38,  -1.38,
07/13 18Z,   0.30,  -2.06,  99.90,  -3.14,  -1.38,  (min)
07/13 19Z,   0.30,  -1.06,  99.90,  -2.15,  -1.38,
07/13 20Z,   0.40,   1.35,  99.90,   0.37,  -1.38,
07/13 21Z,   0.40,   4.43,  99.90,   3.45,  -1.38,
07/13 22Z,   0.40,   7.36,  99.90,   6.38,  -1.38,
07/13 23Z,   0.40,   9.56,  99.90,   8.57,  -1.38,
07/14 00Z,   0.30,  10.69,  99.90,   9.61,  -1.38,