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
#Ketchikan, AK : 07/13/2025 09:20:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 18Z,  -0.20,   1.42,   1.99,  99.90,   0.77,
07/11 19Z,  -0.20,   4.88,   5.33,  99.90,   0.65,
07/11 20Z,  -0.20,   8.53,   8.87,  99.90,   0.54,
07/11 21Z,  -0.20,  11.57,  11.94,  99.90,   0.57,
07/11 22Z,  -0.20,  13.34,  13.62,  99.90,   0.48,
07/11 23Z,  -0.20,  13.48,  13.77,  99.90,   0.49,  (max)
07/12 00Z,  -0.10,  12.00,  12.24,  99.90,   0.34,
07/12 01Z,  -0.10,   9.40,   9.50,  99.90,   0.20,
07/12 02Z,  -0.10,   6.51,   6.52,  99.90,   0.11,
07/12 03Z,  -0.10,   4.29,   4.26,  99.90,   0.07,
07/12 04Z,  -0.10,   3.44,   3.48,  99.90,   0.14,  (min)
07/12 05Z,  -0.10,   4.27,   4.39,  99.90,   0.22,
07/12 06Z,  -0.20,   6.55,   6.72,  99.90,   0.37,
07/12 07Z,  -0.20,   9.67,   9.93,  99.90,   0.46,
07/12 08Z,  -0.20,  12.83,  13.15,  99.90,   0.52,
07/12 09Z,  -0.10,  15.22,  15.38,  99.90,   0.26,
07/12 10Z,  -0.10,  16.16,  16.34,  99.90,   0.28,  (max)
07/12 11Z,  -0.10,  15.28,  15.26,  99.90,   0.08,
07/12 12Z,  -0.40,  12.59,  12.51,  99.90,   0.32,
07/12 13Z,  -0.30,   8.60,   8.49,  99.90,   0.19,
07/12 14Z,  -0.20,   4.20,   4.27,  99.90,   0.27,
07/12 15Z,  -0.20,   0.42,   0.65,  99.90,   0.43,
07/12 16Z,  -0.20,  -1.84,  -1.50,  99.90,   0.54,
07/12 17Z,  -0.10,  -2.10,  -1.72,  99.90,   0.48,  (min)
07/12 18Z,  -0.30,  -0.43,  -0.07,  99.90,   0.66,
07/12 19Z,  -0.30,   2.68,   3.04,  99.90,   0.66,
07/12 20Z,  -0.20,   6.48,   6.78,  99.90,   0.50,
07/12 21Z,  -0.20,  10.13,  10.51,  99.90,   0.58,
07/12 22Z,  -0.10,  12.83,  13.25,  99.90,   0.52,
07/12 23Z,   0.00,  14.00,  14.47,  99.90,   0.47,  (max)
07/13 00Z,  -0.10,  13.40,  13.80,  99.90,   0.50,
07/13 01Z,  -0.10,  11.24,  11.48,  99.90,   0.34,
07/13 02Z,  -0.10,   8.21,   8.33,  99.90,   0.22,
07/13 03Z,   0.00,   5.27,   5.34,  99.90,   0.07,
07/13 04Z,   0.00,   3.35,   3.37,  99.90,   0.02,
07/13 05Z,  -0.10,   3.06,   3.24,  99.90,   0.28,  (min)
07/13 06Z,  -0.10,   4.48,   4.78,  99.90,   0.40,
07/13 07Z,  -0.20,   7.22,   7.57,  99.90,   0.55,
07/13 08Z,  -0.20,  10.56,  10.90,  99.90,   0.54,
07/13 09Z,  -0.30,  13.64,  13.90,  99.90,   0.56,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/13 10Z,  -0.30,  15.67,  99.90,  15.90,   0.54,
07/13 11Z,  -0.30,  16.02,  99.90,  16.24,   0.51,  (max)
07/13 12Z,  -0.40,  14.46,  99.90,  14.55,   0.49,
07/13 13Z,  -0.40,  11.18,  99.90,  11.25,   0.47,
07/13 14Z,  -0.40,   6.88,  99.90,   6.92,   0.44,
07/13 15Z,  -0.40,   2.57,  99.90,   2.59,   0.42,
07/13 16Z,  -0.40,  -0.71,  99.90,  -0.72,   0.40,
07/13 17Z,  -0.40,  -2.19,  99.90,  -2.22,   0.37,  (min)
07/13 18Z,  -0.40,  -1.61,  99.90,  -1.66,   0.35,
07/13 19Z,  -0.30,   0.78,  99.90,   0.81,   0.33,
07/13 20Z,  -0.30,   4.35,  99.90,   4.35,   0.30,
07/13 21Z,  -0.40,   8.27,  99.90,   8.15,   0.28,
07/13 22Z,  -0.40,  11.68,  99.90,  11.56,   0.28,
07/13 23Z,  -0.30,  13.84,  99.90,  13.82,   0.28,
07/14 00Z,  -0.30,  14.29,  99.90,  14.27,   0.28,  (max)
07/14 01Z,  -0.30,  12.94,  99.90,  12.92,   0.28,
07/14 02Z,  -0.40,  10.23,  99.90,  10.11,   0.28,
07/14 03Z,  -0.40,   6.97,  99.90,   6.85,   0.28,
07/14 04Z,  -0.50,   4.17,  99.90,   3.95,   0.28,
07/14 05Z,  -0.60,   2.68,  99.90,   2.36,   0.28,  (min)
07/14 06Z,  -0.60,   2.92,  99.90,   2.60,   0.28,
07/14 07Z,  -0.70,   4.82,  99.90,   4.40,   0.28,
07/14 08Z,  -0.70,   7.84,  99.90,   7.42,   0.28,
07/14 09Z,  -0.70,  11.20,  99.90,  10.78,   0.28,
07/14 10Z,  -0.70,  14.04,  99.90,  13.62,   0.28,
07/14 11Z,  -0.70,  15.59,  99.90,  15.17,   0.28,  (max)
07/14 12Z,  -0.70,  15.35,  99.90,  14.93,   0.28,
07/14 13Z,  -0.70,  13.22,  99.90,  12.80,   0.28,
07/14 14Z,  -0.70,   9.60,  99.90,   9.18,   0.28,
07/14 15Z,  -0.70,   5.30,  99.90,   4.88,   0.28,
07/14 16Z,  -0.80,   1.39,  99.90,   0.87,   0.28,
07/14 17Z,  -0.80,  -1.18,  99.90,  -1.70,   0.28,
07/14 18Z,  -0.90,  -1.82,  99.90,  -2.44,   0.28,  (min)
07/14 19Z,  -1.00,  -0.47,  99.90,  -1.19,   0.28,
07/14 20Z,  -1.00,   2.46,  99.90,   1.74,   0.28,
07/14 21Z,  -1.00,   6.24,  99.90,   5.52,   0.28,
07/14 22Z,  -1.00,  10.03,  99.90,   9.31,   0.28,
07/14 23Z,  -0.90,  12.99,  99.90,  12.37,   0.28,
07/15 00Z,  -0.90,  14.50,  99.90,  13.88,   0.28,  (max)
07/15 01Z,  -0.80,  14.21,  99.90,  13.69,   0.28,
07/15 02Z,  -0.80,  12.24,  99.90,  11.72,   0.28,
07/15 03Z,  -0.80,   9.16,  99.90,   8.64,   0.28,
07/15 04Z,  -0.80,   5.87,  99.90,   5.35,   0.28,
07/15 05Z,  -0.80,   3.33,  99.90,   2.81,   0.28,
07/15 06Z,  -0.90,   2.27,  99.90,   1.65,   0.28,  (min)
07/15 07Z,  -0.90,   2.94,  99.90,   2.32,   0.28,
07/15 08Z,  -1.00,   5.13,  99.90,   4.41,   0.28,
07/15 09Z,  -1.00,   8.23,  99.90,   7.51,   0.28,
07/15 10Z,  -1.00,  11.43,  99.90,  10.71,   0.28,
07/15 11Z,  -1.00,  13.90,  99.90,  13.18,   0.28,
07/15 12Z,  -1.00,  14.97,  99.90,  14.25,   0.28,  (max)
07/15 13Z,  -0.90,  14.25,  99.90,  13.63,   0.28,
07/15 14Z,  -0.90,  11.80,  99.90,  11.18,   0.28,
07/15 15Z,  -0.90,   8.15,  99.90,   7.53,   0.28,
07/15 16Z,  -0.90,   4.18,  99.90,   3.56,   0.28,
07/15 17Z,  -1.00,   0.90,  99.90,   0.18,   0.28,
07/15 18Z,  -1.00,  -0.88,  99.90,  -1.60,   0.28,  (min)
07/15 19Z,  -1.10,  -0.77,  99.90,  -1.59,   0.28,
07/15 20Z,  -1.10,   1.15,  99.90,   0.33,   0.28,
07/15 21Z,  -1.00,   4.36,  99.90,   3.64,   0.28,
07/15 22Z,  -1.00,   8.11,  99.90,   7.39,   0.28,
07/15 23Z,  -0.90,  11.55,  99.90,  10.93,   0.28,
07/16 00Z,  -0.80,  13.95,  99.90,  13.43,   0.28,
07/16 01Z,  -0.80,  14.78,  99.90,  14.26,   0.28,  (max)
07/16 02Z,  -0.70,  13.86,  99.90,  13.44,   0.28,
07/16 03Z,  -0.70,  11.46,  99.90,  11.04,   0.28,
07/16 04Z,  -0.80,   8.23,  99.90,   7.71,   0.28,
07/16 05Z,  -0.90,   5.05,  99.90,   4.43,   0.28,
07/16 06Z,  -0.90,   2.80,  99.90,   2.18,   0.28,
07/16 07Z,  -1.00,   2.05,  99.90,   1.33,   0.28,  (min)
07/16 08Z,  -1.00,   2.96,  99.90,   2.24,   0.28,
07/16 09Z,  -1.10,   5.22,  99.90,   4.40,   0.28,
07/16 10Z,  -1.00,   8.21,  99.90,   7.49,   0.28,
07/16 11Z,  -0.90,  11.13,  99.90,  10.51,   0.28,
07/16 12Z,  -0.90,  13.23,  99.90,  12.61,   0.28,
07/16 13Z,  -0.80,  13.92,  99.90,  13.40,   0.28,  (max)
07/16 14Z,  -0.80,  12.95,  99.90,  12.43,   0.28,
07/16 15Z,  -0.80,  10.50,  99.90,   9.98,   0.28,
07/16 16Z,  -0.80,   7.14,  99.90,   6.62,   0.28,
07/16 17Z,  -0.90,   3.73,  99.90,   3.11,   0.28,
07/16 18Z,  -0.90,   1.16,  99.90,   0.54,   0.28,
07/16 19Z,  -0.90,   0.09,  99.90,  -0.53,   0.28,  (min)
07/16 20Z,  -0.90,   0.76,  99.90,   0.14,   0.28,
07/16 21Z,  -0.90,   2.98,  99.90,   2.36,   0.28,
07/16 22Z,  -0.80,   6.21,  99.90,   5.69,   0.28,
07/16 23Z,  -0.70,   9.69,  99.90,   9.27,   0.28,
07/17 00Z,  -0.60,  12.68,  99.90,  12.36,   0.28,
07/17 01Z,  99.90,  14.50,  99.90,  99.90,   0.28,
07/17 02Z,  99.90,  14.78,  99.90,  99.90,   0.28,
07/17 03Z,  99.90,  13.45,  99.90,  99.90,   0.28,
07/17 04Z,  99.90,  10.83,  99.90,  99.90,   0.28,
07/17 05Z,  99.90,   7.61,  99.90,  99.90,   0.28,
07/17 06Z,  99.90,   4.58,  99.90,  99.90,   0.28,