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 : 07/11/2025 20:20:09 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 00Z,  -0.20,   0.60,   0.52,  99.90,   0.12,
07/10 01Z,  -0.20,  -1.65,  -1.79,  99.90,   0.06,
07/10 02Z,  -0.20,  -3.18,  -3.38,  99.90,  -0.00,
07/10 03Z,  -0.20,  -3.44,  -3.66,  99.90,  -0.02,  (min)
07/10 04Z,  -0.10,  -2.31,  -2.49,  99.90,  -0.08,
07/10 05Z,  -0.10,  -0.06,  -0.13,  99.90,   0.03,
07/10 06Z,  -0.30,   2.73,   2.70,  99.90,   0.27,
07/10 07Z,  -0.30,   5.31,   5.38,  99.90,   0.37,
07/10 08Z,  -0.30,   7.02,   7.09,  99.90,   0.37,
07/10 09Z,  -0.30,   7.34,   7.29,  99.90,   0.25,  (max)
07/10 10Z,  -0.20,   6.04,   5.88,  99.90,   0.04,
07/10 11Z,  -0.20,   3.26,   2.94,  99.90,  -0.12,
07/10 12Z,  -0.30,  -0.48,  -0.87,  99.90,  -0.09,
07/10 13Z,  -0.30,  -4.38,  -4.72,  99.90,  -0.04,
07/10 14Z,  -0.20,  -7.55,  -7.73,  99.90,   0.02,
07/10 15Z,  -0.20,  -9.25,  -9.32,  99.90,   0.13,  (min)
07/10 16Z,  -0.20,  -9.17,  -9.12,  99.90,   0.25,
07/10 17Z,  -0.10,  -7.41,  -7.33,  99.90,   0.18,
07/10 18Z,  -0.30,  -4.45,  -4.44,  99.90,   0.31,
07/10 19Z,  -0.30,  -1.02,  -1.00,  99.90,   0.32,
07/10 20Z,  -0.20,   2.13,   2.15,  99.90,   0.22,
07/10 21Z,  -0.20,   4.32,   4.43,  99.90,   0.31,
07/10 22Z,  -0.10,   5.09,   5.16,  99.90,   0.17,  (max)
07/10 23Z,   0.00,   4.31,   4.35,  99.90,   0.04,
07/11 00Z,  -0.10,   2.27,   2.37,  99.90,   0.20,
07/11 01Z,   0.00,  -0.36,  -0.30,  99.90,   0.06,
07/11 02Z,   0.00,  -2.70,  -2.76,  99.90,  -0.06,
07/11 03Z,   0.00,  -3.98,  -3.99,  99.90,  -0.01,  (min)
07/11 04Z,   0.10,  -3.75,  -3.59,  99.90,   0.06,
07/11 05Z,   0.10,  -2.04,  -1.70,  99.90,   0.24,
07/11 06Z,   0.00,   0.70,   1.26,  99.90,   0.56,
07/11 07Z,   0.00,   3.74,   4.35,  99.90,   0.61,
07/11 08Z,   0.00,   6.32,   7.01,  99.90,   0.69,
07/11 09Z,   0.00,   7.73,   8.32,  99.90,   0.59,  (max)
07/11 10Z,   0.00,   7.51,   7.97,  99.90,   0.46,
07/11 11Z,   0.00,   5.53,   5.81,  99.90,   0.28,
07/11 12Z,  -0.10,   2.09,   2.31,  99.90,   0.32,
07/11 13Z,  -0.10,  -2.10,  -1.85,  99.90,   0.35,
07/11 14Z,  -0.10,  -6.09,  -5.70,  99.90,   0.49,
07/11 15Z,   0.00,  -8.93,  -8.37,  99.90,   0.56,
07/11 16Z,   0.00,  -9.99,  -9.26,  99.90,   0.73,  (min)
07/11 17Z,   0.00,  -9.13,  -8.36,  99.90,   0.77,
07/11 18Z,  -0.10,  -6.65,  -6.08,  99.90,   0.67,
07/11 19Z,  -0.10,  -3.19,  -2.74,  99.90,   0.55,
07/11 20Z,  -0.10,   0.46,   0.80,  99.90,   0.44,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 21Z,  -0.10,   3.50,  99.90,   3.83,   0.43,
07/11 22Z,  -0.20,   5.27,  99.90,   5.49,   0.42,
07/11 23Z,  -0.20,   5.41,  99.90,   5.62,   0.41,  (max)
07/12 00Z,  -0.20,   3.93,  99.90,   4.14,   0.40,
07/12 01Z,  -0.30,   1.33,  99.90,   1.42,   0.39,
07/12 02Z,  -0.30,  -1.56,  99.90,  -1.47,   0.38,
07/12 03Z,  -0.30,  -3.78,  99.90,  -3.71,   0.37,
07/12 04Z,  -0.30,  -4.63,  99.90,  -4.56,   0.36,  (min)
07/12 05Z,  -0.30,  -3.80,  99.90,  -3.75,   0.35,
07/12 06Z,  -0.40,  -1.52,  99.90,  -1.58,   0.34,
07/12 07Z,  -0.40,   1.60,  99.90,   1.54,   0.33,
07/12 08Z,  -0.40,   4.76,  99.90,   4.69,   0.32,
07/12 09Z,  -0.40,   7.15,  99.90,   7.07,   0.32,
07/12 10Z,  -0.40,   8.09,  99.90,   8.02,   0.32,  (max)
07/12 11Z,  -0.40,   7.21,  99.90,   7.13,   0.32,
07/12 12Z,  -0.40,   4.52,  99.90,   4.45,   0.32,
07/12 13Z,  -0.30,   0.53,  99.90,   0.56,   0.32,
07/12 14Z,  -0.30,  -3.87,  99.90,  -3.85,   0.32,
07/12 15Z,  -0.30,  -7.65,  99.90,  -7.63,   0.32,
07/12 16Z,  -0.30,  -9.91,  99.90,  -9.88,   0.32,
07/12 17Z,  -0.30, -10.17,  99.90, -10.15,   0.32,  (min)
07/12 18Z,  -0.30,  -8.50,  99.90,  -8.48,   0.32,
07/12 19Z,  -0.30,  -5.39,  99.90,  -5.36,   0.32,
07/12 20Z,  -0.30,  -1.59,  99.90,  -1.56,   0.32,
07/12 21Z,  -0.20,   2.06,  99.90,   2.18,   0.32,
07/12 22Z,  -0.10,   4.76,  99.90,   4.99,   0.32,
07/12 23Z,   0.00,   5.93,  99.90,   6.26,   0.32,  (max)
07/13 00Z,   0.00,   5.33,  99.90,   5.66,   0.32,
07/13 01Z,   0.00,   3.17,  99.90,   3.50,   0.32,
07/13 02Z,   0.00,   0.14,  99.90,   0.47,   0.32,
07/13 03Z,   0.00,  -2.80,  99.90,  -2.47,   0.32,
07/13 04Z,   0.00,  -4.72,  99.90,  -4.39,   0.32,
07/13 05Z,  -0.10,  -5.01,  99.90,  -4.79,   0.32,  (min)
07/13 06Z,  -0.20,  -3.59,  99.90,  -3.47,   0.32,
07/13 07Z,  -0.30,  -0.85,  99.90,  -0.83,   0.32,
07/13 08Z,  -0.40,   2.49,  99.90,   2.41,   0.32,
07/13 09Z,  -0.40,   5.57,  99.90,   5.49,   0.32,
07/13 10Z,  -0.40,   7.60,  99.90,   7.52,   0.32,
07/13 11Z,  -0.40,   7.95,  99.90,   7.88,   0.32,  (max)
07/13 12Z,  -0.40,   6.39,  99.90,   6.32,   0.32,
07/13 13Z,  -0.30,   3.11,  99.90,   3.14,   0.32,
07/13 14Z,  -0.30,  -1.19,  99.90,  -1.16,   0.32,
07/13 15Z,  -0.30,  -5.50,  99.90,  -5.48,   0.32,
07/13 16Z,  -0.40,  -8.78,  99.90,  -8.86,   0.32,
07/13 17Z,  -0.40, -10.26,  99.90, -10.34,   0.32,  (min)
07/13 18Z,  -0.40,  -9.68,  99.90,  -9.76,   0.32,
07/13 19Z,  -0.50,  -7.29,  99.90,  -7.46,   0.32,
07/13 20Z,  -0.50,  -3.72,  99.90,  -3.89,   0.32,
07/13 21Z,  -0.50,   0.20,  99.90,   0.02,   0.32,
07/13 22Z,  -0.40,   3.61,  99.90,   3.53,   0.32,
07/13 23Z,  -0.40,   5.77,  99.90,   5.70,   0.32,
07/14 00Z,  -0.40,   6.22,  99.90,   6.14,   0.32,  (max)
07/14 01Z,  -0.30,   4.87,  99.90,   4.90,   0.32,
07/14 02Z,  -0.30,   2.16,  99.90,   2.18,   0.32,
07/14 03Z,  -0.40,  -1.10,  99.90,  -1.17,   0.32,
07/14 04Z,  -0.40,  -3.90,  99.90,  -3.98,   0.32,
07/14 05Z,  -0.50,  -5.39,  99.90,  -5.57,   0.32,  (min)
07/14 06Z,  -0.60,  -5.15,  99.90,  -5.43,   0.32,
07/14 07Z,  -0.70,  -3.25,  99.90,  -3.63,   0.32,
07/14 08Z,  -0.70,  -0.23,  99.90,  -0.60,   0.32,
07/14 09Z,  -0.70,   3.13,  99.90,   2.76,   0.32,
07/14 10Z,  -0.70,   5.97,  99.90,   5.59,   0.32,
07/14 11Z,  -0.70,   7.52,  99.90,   7.14,   0.32,  (max)
07/14 12Z,  -0.60,   7.28,  99.90,   7.01,   0.32,
07/14 13Z,  -0.60,   5.15,  99.90,   4.88,   0.32,
07/14 14Z,  -0.60,   1.53,  99.90,   1.25,   0.32,
07/14 15Z,  -0.60,  -2.77,  99.90,  -3.04,   0.32,
07/14 16Z,  -0.70,  -6.68,  99.90,  -7.06,   0.32,
07/14 17Z,  -0.80,  -9.25,  99.90,  -9.72,   0.32,
07/14 18Z,  -0.80,  -9.89,  99.90, -10.36,   0.32,  (min)
07/14 19Z,  -0.90,  -8.54,  99.90,  -9.12,   0.32,
07/14 20Z,  -0.90,  -5.61,  99.90,  -6.19,   0.32,
07/14 21Z,  -0.90,  -1.83,  99.90,  -2.40,   0.32,
07/14 22Z,  -0.90,   1.96,  99.90,   1.38,   0.32,
07/14 23Z,  -0.80,   4.92,  99.90,   4.45,   0.32,
07/15 00Z,  -0.70,   6.43,  99.90,   6.05,   0.32,  (max)
07/15 01Z,  -0.70,   6.14,  99.90,   5.76,   0.32,
07/15 02Z,  -0.70,   4.17,  99.90,   3.79,   0.32,
07/15 03Z,  -0.70,   1.09,  99.90,   0.71,   0.32,
07/15 04Z,  -0.70,  -2.20,  99.90,  -2.58,   0.32,
07/15 05Z,  -0.80,  -4.74,  99.90,  -5.21,   0.32,
07/15 06Z,  -0.90,  -5.80,  99.90,  -6.38,   0.32,  (min)
07/15 07Z,  -1.00,  -5.13,  99.90,  -5.81,   0.32,
07/15 08Z,  -1.00,  -2.94,  99.90,  -3.62,   0.32,
07/15 09Z,  -1.10,   0.16,  99.90,  -0.62,   0.32,
07/15 10Z,  -1.10,   3.36,  99.90,   2.59,   0.32,
07/15 11Z,  -1.10,   5.83,  99.90,   5.06,   0.32,
07/15 12Z,  -1.10,   6.90,  99.90,   6.12,   0.32,