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
#Anchorage, AK : 04/26/2025 22:20:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/25 06Z,   0.10,   9.29,   9.53,  99.90,   0.14,
04/25 07Z,   0.10,   4.89,   5.02,  99.90,   0.03,
04/25 08Z,   0.20,   2.38,   1.53,  99.90,  -1.05,  (min)
04/25 09Z,   0.20,   4.46,   3.36,  99.90,  -1.30,
04/25 10Z,   0.20,  10.82,  11.36,  99.90,   0.34,
04/25 11Z,   0.20,  18.00,  17.93,  99.90,  -0.27,
04/25 12Z,   0.20,  24.03,  23.43,  99.90,  -0.80,
04/25 13Z,   0.20,  28.38,  27.41,  99.90,  -1.17,
04/25 14Z,   0.20,  29.88,  29.39,  99.90,  -0.69,  (max)
04/25 15Z,   0.20,  28.07,  27.47,  99.90,  -0.80,
04/25 16Z,   0.20,  23.90,  23.23,  99.90,  -0.87,
04/25 17Z,   0.20,  18.48,  18.02,  99.90,  -0.66,
04/25 18Z,   0.20,  12.86,  12.83,  99.90,  -0.23,
04/25 19Z,   0.10,   7.40,   7.72,  99.90,   0.22,
04/25 20Z,   0.10,   2.83,   3.33,  99.90,   0.40,
04/25 21Z,   0.10,   1.96,   0.49,  99.90,  -1.57,  (min)
04/25 22Z,   0.00,   6.52,   6.81,  99.90,   0.29,
04/25 23Z,   0.00,  13.92,  14.26,  99.90,   0.34,
04/26 00Z,   0.00,  20.94,  20.38,  99.90,  -0.56,
04/26 01Z,   0.00,  26.49,  25.11,  99.90,  -1.38,
04/26 02Z,   0.00,  29.46,  27.96,  99.90,  -1.50,  (max)
04/26 03Z,   0.00,  28.79,  27.82,  99.90,  -0.97,
04/26 04Z,   0.00,  25.12,  24.36,  99.90,  -0.76,
04/26 05Z,   0.00,  19.76,  19.25,  99.90,  -0.51,
04/26 06Z,   0.00,  14.01,  14.14,  99.90,   0.13,
04/26 07Z,   0.00,   8.65,   8.89,  99.90,   0.24,
04/26 08Z,   0.00,   4.02,   4.21,  99.90,   0.19,
04/26 09Z,   0.00,   2.05,   0.72,  99.90,  -1.33,  (min)
04/26 10Z,   0.00,   5.46,   5.39,  99.90,  -0.07,
04/26 11Z,   0.00,  13.11,  13.78,  99.90,   0.67,
04/26 12Z,   0.00,  21.06,  20.56,  99.90,  -0.50,
04/26 13Z,   0.00,  27.29,  26.01,  99.90,  -1.28,
04/26 14Z,   0.00,  31.02,  29.66,  99.90,  -1.36,
04/26 15Z,  -0.10,  31.23,  30.51,  99.90,  -0.62,  (max)
04/26 16Z,  -0.10,  28.09,  27.23,  99.90,  -0.76,
04/26 17Z,  -0.10,  22.89,  21.95,  99.90,  -0.84,
04/26 18Z,  -0.20,  16.79,  16.52,  99.90,  -0.07,
04/26 19Z,  -0.20,  10.62,  10.90,  99.90,   0.48,
04/26 20Z,  -0.30,   4.67,   5.60,  99.90,   1.23,
04/26 21Z,  -0.30,   0.14,   1.07,  99.90,   1.23,
04/26 22Z,  -0.40,   0.32,  -1.75,  99.90,  -1.67,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/26 23Z,  -0.40,   6.38,  99.90,   4.42,  -1.56,
04/27 00Z,  -0.50,  14.98,  99.90,  13.04,  -1.44,
04/27 01Z,  -0.50,  22.79,  99.90,  20.97,  -1.33,
04/27 02Z,  -0.60,  28.55,  99.90,  26.74,  -1.21,
04/27 03Z,  -0.60,  30.99,  99.90,  29.29,  -1.09,  (max)
04/27 04Z,  -0.70,  29.51,  99.90,  27.84,  -0.98,
04/27 05Z,  -0.70,  25.19,  99.90,  23.63,  -0.86,
04/27 06Z,  -0.70,  19.45,  99.90,  18.01,  -0.74,
04/27 07Z,  -0.60,  13.49,  99.90,  12.26,  -0.63,
04/27 08Z,  -0.60,   7.97,  99.90,   6.85,  -0.51,
04/27 09Z,  -0.60,   3.46,  99.90,   2.46,  -0.40,
04/27 10Z,  -0.60,   2.48,  99.90,   1.60,  -0.28,  (min)
04/27 11Z,  -0.60,   7.45,  99.90,   6.57,  -0.28,
04/27 12Z,  -0.60,  16.22,  99.90,  15.34,  -0.28,
04/27 13Z,  -0.60,  24.49,  99.90,  23.61,  -0.28,
04/27 14Z,  -0.50,  30.28,  99.90,  29.50,  -0.28,
04/27 15Z,  -0.50,  32.84,  99.90,  32.06,  -0.28,  (max)
04/27 16Z,  -0.50,  31.53,  99.90,  30.76,  -0.28,
04/27 17Z,  -0.50,  27.18,  99.90,  26.40,  -0.28,
04/27 18Z,  -0.50,  21.24,  99.90,  20.46,  -0.28,
04/27 19Z,  -0.50,  14.71,  99.90,  13.93,  -0.28,
04/27 20Z,  -0.50,   8.23,  99.90,   7.45,  -0.28,
04/27 21Z,  -0.50,   2.08,  99.90,   1.30,  -0.28,
04/27 22Z,  -0.50,  -1.93,  99.90,  -2.71,  -0.28,  (min)
04/27 23Z,  -0.50,  -0.32,  99.90,  -1.10,  -0.28,
04/28 00Z,  -0.50,   7.22,  99.90,   6.44,  -0.28,
04/28 01Z,  -0.50,  16.67,  99.90,  15.89,  -0.28,
04/28 02Z,  -0.50,  24.70,  99.90,  23.92,  -0.28,
04/28 03Z,  -0.50,  30.08,  99.90,  29.30,  -0.28,
04/28 04Z,  -0.50,  31.68,  99.90,  30.90,  -0.28,  (max)
04/28 05Z,  -0.50,  29.45,  99.90,  28.67,  -0.28,
04/28 06Z,  -0.50,  24.72,  99.90,  23.95,  -0.28,
04/28 07Z,  -0.50,  18.84,  99.90,  18.07,  -0.28,
04/28 08Z,  -0.50,  12.86,  99.90,  12.08,  -0.28,
04/28 09Z,  -0.40,   7.36,  99.90,   6.68,  -0.28,
04/28 10Z,  -0.40,   3.31,  99.90,   2.63,  -0.28,  (min)
04/28 11Z,  -0.30,   3.65,  99.90,   3.07,  -0.28,
04/28 12Z,  -0.30,  10.15,  99.90,   9.57,  -0.28,
04/28 13Z,  -0.20,  19.61,  99.90,  19.13,  -0.28,
04/28 14Z,  -0.20,  27.57,  99.90,  27.09,  -0.28,
04/28 15Z,  -0.10,  32.37,  99.90,  31.99,  -0.28,
04/28 16Z,   0.00,  33.48,  99.90,  33.20,  -0.28,  (max)
04/28 17Z,   0.00,  30.81,  99.90,  30.53,  -0.28,
04/28 18Z,   0.00,  25.62,  99.90,  25.34,  -0.28,
04/28 19Z,   0.00,  19.27,  99.90,  18.99,  -0.28,
04/28 20Z,   0.00,  12.57,  99.90,  12.29,  -0.28,
04/28 21Z,   0.00,   5.98,  99.90,   5.70,  -0.28,
04/28 22Z,   0.10,  -0.03,  99.90,  -0.21,  -0.28,
04/28 23Z,   0.10,  -3.10,  99.90,  -3.28,  -0.28,  (min)
04/29 00Z,   0.20,   0.12,  99.90,   0.04,  -0.28,
04/29 01Z,   0.20,   8.86,  99.90,   8.78,  -0.28,
04/29 02Z,   0.30,  18.56,  99.90,  18.58,  -0.28,
04/29 03Z,   0.40,  26.21,  99.90,  26.33,  -0.28,
04/29 04Z,   0.40,  30.81,  99.90,  30.93,  -0.28,
04/29 05Z,   0.50,  31.55,  99.90,  31.77,  -0.28,  (max)
04/29 06Z,   0.60,  28.79,  99.90,  29.11,  -0.28,
04/29 07Z,   0.70,  23.92,  99.90,  24.35,  -0.28,
04/29 08Z,   0.70,  18.06,  99.90,  18.49,  -0.28,
04/29 09Z,   0.70,  12.17,  99.90,  12.59,  -0.28,
04/29 10Z,   0.70,   6.89,  99.90,   7.31,  -0.28,
04/29 11Z,   0.70,   3.60,  99.90,   4.02,  -0.28,  (min)
04/29 12Z,   0.70,   5.41,  99.90,   5.83,  -0.28,
04/29 13Z,   0.70,  13.14,  99.90,  13.56,  -0.28,
04/29 14Z,   0.70,  22.66,  99.90,  23.08,  -0.28,
04/29 15Z,   0.70,  29.72,  99.90,  30.14,  -0.28,
04/29 16Z,   0.70,  33.21,  99.90,  33.63,  -0.28,  (max)
04/29 17Z,   0.60,  32.95,  99.90,  33.28,  -0.28,
04/29 18Z,   0.60,  29.32,  99.90,  29.64,  -0.28,
04/29 19Z,   0.50,  23.72,  99.90,  23.94,  -0.28,
04/29 20Z,   0.40,  17.27,  99.90,  17.39,  -0.28,
04/29 21Z,   0.30,  10.58,  99.90,  10.60,  -0.28,
04/29 22Z,   0.30,   4.12,  99.90,   4.14,  -0.28,
04/29 23Z,   0.20,  -1.38,  99.90,  -1.46,  -0.28,
04/30 00Z,   0.10,  -3.18,  99.90,  -3.36,  -0.28,  (min)
04/30 01Z,   0.10,   1.56,  99.90,   1.38,  -0.28,
04/30 02Z,   0.00,  10.94,  99.90,  10.66,  -0.28,
04/30 03Z,   0.00,  20.23,  99.90,  19.95,  -0.28,
04/30 04Z,   0.00,  27.03,  99.90,  26.75,  -0.28,
04/30 05Z,   0.00,  30.71,  99.90,  30.44,  -0.28,
04/30 06Z,   0.00,  30.77,  99.90,  30.49,  -0.28,  (max)
04/30 07Z,  -0.10,  27.77,  99.90,  27.39,  -0.28,
04/30 08Z,  -0.10,  22.92,  99.90,  22.54,  -0.28,
04/30 09Z,  -0.20,  17.16,  99.90,  16.68,  -0.28,
04/30 10Z,  -0.30,  11.47,  99.90,  10.89,  -0.28,
04/30 11Z,  -0.40,   6.63,  99.90,   5.95,  -0.28,
04/30 12Z,  -0.50,   4.34,  99.90,   3.57,  -0.28,
04/30 13Z,  99.90,   7.54,  99.90,  99.90,  -0.28,
04/30 14Z,  99.90,  15.94,  99.90,  99.90,  -0.28,
04/30 15Z,  99.90,  24.82,  99.90,  99.90,  -0.28,
04/30 16Z,  99.90,  30.56,  99.90,  99.90,  -0.28,
04/30 17Z,  99.90,  32.74,  99.90,  99.90,  -0.28,
04/30 18Z,  99.90,  31.49,  99.90,  99.90,  -0.28,