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
#Nikiski, AK : 07/10/2025 07:22:23 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 12Z,   0.10,  18.02,  18.10,  99.90,  -0.02,  (max)
07/08 13Z,   0.10,  16.27,  16.34,  99.90,  -0.03,
07/08 14Z,   0.10,  13.36,  13.38,  99.90,  -0.08,
07/08 15Z,   0.10,   9.98,   9.82,  99.90,  -0.26,
07/08 16Z,   0.10,   6.41,   6.31,  99.90,  -0.20,
07/08 17Z,   0.00,   2.84,   2.92,  99.90,   0.08,
07/08 18Z,   0.00,   0.43,   0.51,  99.90,   0.08,
07/08 19Z,   0.00,   0.50,   0.14,  99.90,  -0.36,  (min)
07/08 20Z,   0.10,   2.86,   2.82,  99.90,  -0.14,
07/08 21Z,   0.10,   6.45,   6.83,  99.90,   0.28,
07/08 22Z,   0.10,  10.56,  10.90,  99.90,   0.24,
07/08 23Z,   0.10,  14.50,  14.49,  99.90,  -0.11,
07/09 00Z,   0.20,  17.17,  17.03,  99.90,  -0.34,
07/09 01Z,   0.20,  17.85,  18.10,  99.90,   0.05,  (max)
07/09 02Z,   0.20,  16.75,  17.32,  99.90,   0.37,
07/09 03Z,   0.30,  14.66,  15.00,  99.90,   0.04,
07/09 04Z,   0.30,  12.24,  12.15,  99.90,  -0.39,
07/09 05Z,   0.40,   9.72,   9.67,  99.90,  -0.45,
07/09 06Z,   0.40,   7.82,   8.01,  99.90,  -0.21,
07/09 07Z,   0.40,   7.80,   7.82,  99.90,  -0.38,  (min)
07/09 08Z,   0.40,   9.88,   9.92,  99.90,  -0.36,
07/09 09Z,   0.50,  12.83,  13.02,  99.90,  -0.31,
07/09 10Z,   0.50,  15.62,  15.79,  99.90,  -0.33,
07/09 11Z,   0.60,  17.85,  18.11,  99.90,  -0.34,
07/09 12Z,   0.60,  18.90,  19.20,  99.90,  -0.30,  (max)
07/09 13Z,   0.60,  18.18,  18.64,  99.90,  -0.14,
07/09 14Z,   0.60,  15.74,  16.07,  99.90,  -0.27,
07/09 15Z,   0.60,  12.24,  12.39,  99.90,  -0.45,
07/09 16Z,   0.60,   8.38,   8.49,  99.90,  -0.49,
07/09 17Z,   0.50,   4.44,   4.55,  99.90,  -0.39,
07/09 18Z,   0.50,   0.89,   1.06,  99.90,  -0.33,
07/09 19Z,   0.50,  -0.87,  -1.03,  99.90,  -0.66,  (min)
07/09 20Z,   0.50,   0.28,  -0.23,  99.90,  -1.01,
07/09 21Z,   0.40,   3.70,   3.69,  99.90,  -0.41,
07/09 22Z,   0.40,   8.06,   8.42,  99.90,  -0.04,
07/09 23Z,   0.40,  12.54,  12.64,  99.90,  -0.30,
07/10 00Z,   0.40,  16.33,  16.20,  99.90,  -0.53,
07/10 01Z,   0.30,  18.42,  18.49,  99.90,  -0.23,
07/10 02Z,   0.30,  18.37,  18.77,  99.90,   0.10,  (max)
07/10 03Z,   0.30,  16.55,  16.95,  99.90,   0.10,
07/10 04Z,   0.30,  13.87,  13.73,  99.90,  -0.44,
07/10 05Z,   0.20,  10.97,  10.47,  99.90,  -0.70,
07/10 06Z,   0.20,   8.24,   7.85,  99.90,  -0.59,
07/10 07Z,   0.10,   6.66,   6.25,  99.90,  -0.51,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 08Z,   0.10,   7.50,  99.90,   7.12,  -0.48,
07/10 09Z,   0.10,  10.49,  99.90,  10.15,  -0.44,
07/10 10Z,   0.00,  14.05,  99.90,  13.65,  -0.40,
07/10 11Z,   0.00,  17.08,  99.90,  16.71,  -0.36,
07/10 12Z,   0.00,  19.09,  99.90,  18.76,  -0.33,
07/10 13Z,   0.00,  19.54,  99.90,  19.25,  -0.29,  (max)
07/10 14Z,   0.00,  18.04,  99.90,  17.79,  -0.25,
07/10 15Z,   0.00,  14.86,  99.90,  14.65,  -0.22,
07/10 16Z,   0.00,  10.74,  99.90,  10.57,  -0.18,
07/10 17Z,   0.00,   6.42,  99.90,   6.28,  -0.14,
07/10 18Z,   0.00,   2.28,  99.90,   2.18,  -0.10,
07/10 19Z,   0.00,  -0.93,  99.90,  -1.00,  -0.07,
07/10 20Z,   0.00,  -1.67,  99.90,  -1.73,  -0.07,  (min)
07/10 21Z,   0.00,   0.79,  99.90,   0.72,  -0.07,
07/10 22Z,  -0.10,   5.26,  99.90,   5.10,  -0.07,
07/10 23Z,   0.00,  10.19,  99.90,  10.13,  -0.07,
07/11 00Z,   0.00,  14.71,  99.90,  14.64,  -0.07,
07/11 01Z,   0.00,  18.02,  99.90,  17.96,  -0.07,
07/11 02Z,   0.00,  19.32,  99.90,  19.26,  -0.07,  (max)
07/11 03Z,   0.00,  18.40,  99.90,  18.33,  -0.07,
07/11 04Z,   0.00,  15.82,  99.90,  15.75,  -0.07,
07/11 05Z,   0.00,  12.53,  99.90,  12.47,  -0.07,
07/11 06Z,   0.00,   9.25,  99.90,   9.19,  -0.07,
07/11 07Z,   0.00,   6.55,  99.90,   6.49,  -0.07,
07/11 08Z,  -0.10,   5.65,  99.90,   5.49,  -0.07,  (min)
07/11 09Z,  -0.10,   7.57,  99.90,   7.41,  -0.07,
07/11 10Z,  -0.10,  11.50,  99.90,  11.33,  -0.07,
07/11 11Z,   0.00,  15.53,  99.90,  15.46,  -0.07,
07/11 12Z,   0.00,  18.54,  99.90,  18.47,  -0.07,
07/11 13Z,   0.00,  20.12,  99.90,  20.06,  -0.07,  (max)
07/11 14Z,   0.00,  19.85,  99.90,  19.78,  -0.07,
07/11 15Z,   0.00,  17.54,  99.90,  17.47,  -0.07,
07/11 16Z,   0.00,  13.62,  99.90,  13.55,  -0.07,
07/11 17Z,   0.00,   8.93,  99.90,   8.87,  -0.07,
07/11 18Z,   0.00,   4.28,  99.90,   4.22,  -0.07,
07/11 19Z,   0.00,   0.21,  99.90,   0.14,  -0.07,
07/11 20Z,   0.00,  -2.28,  99.90,  -2.34,  -0.07,  (min)
07/11 21Z,   0.00,  -1.70,  99.90,  -1.76,  -0.07,
07/11 22Z,   0.00,   2.10,  99.90,   2.03,  -0.07,
07/11 23Z,   0.00,   7.42,  99.90,   7.35,  -0.07,
07/12 00Z,   0.00,  12.57,  99.90,  12.51,  -0.07,
07/12 01Z,   0.00,  16.78,  99.90,  16.72,  -0.07,
07/12 02Z,   0.00,  19.38,  99.90,  19.31,  -0.07,
07/12 03Z,   0.00,  19.75,  99.90,  19.69,  -0.07,  (max)
07/12 04Z,   0.00,  17.92,  99.90,  17.85,  -0.07,
07/12 05Z,   0.00,  14.59,  99.90,  14.52,  -0.07,
07/12 06Z,  -0.10,  10.79,  99.90,  10.62,  -0.07,
07/12 07Z,  -0.10,   7.33,  99.90,   7.16,  -0.07,
07/12 08Z,  -0.10,   4.98,  99.90,   4.81,  -0.07,  (min)
07/12 09Z,   0.00,   5.03,  99.90,   4.96,  -0.07,
07/12 10Z,   0.00,   8.10,  99.90,   8.03,  -0.07,
07/12 11Z,   0.00,  12.78,  99.90,  12.71,  -0.07,
07/12 12Z,   0.00,  16.99,  99.90,  16.92,  -0.07,
07/12 13Z,   0.00,  19.74,  99.90,  19.67,  -0.07,
07/12 14Z,   0.00,  20.74,  99.90,  20.68,  -0.07,  (max)
07/12 15Z,   0.00,  19.71,  99.90,  19.65,  -0.07,
07/12 16Z,   0.00,  16.63,  99.90,  16.57,  -0.07,
07/12 17Z,   0.00,  12.06,  99.90,  11.99,  -0.07,
07/12 18Z,  -0.10,   6.96,  99.90,   6.79,  -0.07,
07/12 19Z,  -0.10,   2.23,  99.90,   2.06,  -0.07,
07/12 20Z,  -0.20,  -1.42,  99.90,  -1.68,  -0.07,
07/12 21Z,  -0.20,  -2.84,  99.90,  -3.10,  -0.07,  (min)
07/12 22Z,  -0.20,  -0.82,  99.90,  -1.08,  -0.07,
07/12 23Z,  -0.10,   4.13,  99.90,   3.97,  -0.07,
07/13 00Z,  -0.10,   9.91,  99.90,   9.75,  -0.07,
07/13 01Z,  -0.10,  14.92,  99.90,  14.76,  -0.07,
07/13 02Z,  -0.10,  18.55,  99.90,  18.38,  -0.07,
07/13 03Z,  -0.20,  20.27,  99.90,  20.00,  -0.07,  (max)
07/13 04Z,  -0.10,  19.68,  99.90,  19.52,  -0.07,
07/13 05Z,  -0.10,  16.96,  99.90,  16.80,  -0.07,
07/13 06Z,  -0.20,  12.97,  99.90,  12.71,  -0.07,
07/13 07Z,  -0.20,   8.85,  99.90,   8.59,  -0.07,
07/13 08Z,  -0.10,   5.49,  99.90,   5.32,  -0.07,
07/13 09Z,  -0.10,   3.78,  99.90,   3.61,  -0.07,  (min)
07/13 10Z,  -0.10,   4.91,  99.90,   4.74,  -0.07,
07/13 11Z,  -0.10,   8.96,  99.90,   8.80,  -0.07,
07/13 12Z,   0.00,  14.06,  99.90,  13.99,  -0.07,
07/13 13Z,   0.00,  18.13,  99.90,  18.07,  -0.07,
07/13 14Z,   0.00,  20.44,  99.90,  20.37,  -0.07,
07/13 15Z,  -0.10,  20.83,  99.90,  20.66,  -0.07,  (max)
07/13 16Z,  -0.10,  19.11,  99.90,  18.94,  -0.07,
07/13 17Z,  -0.20,  15.38,  99.90,  15.11,  -0.07,
07/13 18Z,  -0.20,  10.33,  99.90,  10.06,  -0.07,
07/13 19Z,  -0.30,   5.08,  99.90,   4.71,  -0.07,
07/13 20Z,  -0.30,   0.62,  99.90,   0.26,  -0.07,
07/13 21Z,  -0.30,  -2.24,  99.90,  -2.61,  -0.07,
07/13 22Z,  -0.30,  -2.40,  99.90,  -2.77,  -0.07,  (min)
07/13 23Z,  -0.30,   0.94,  99.90,   0.58,  -0.07,
07/14 00Z,  -0.30,   6.66,  99.90,   6.30,  -0.07,