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
#Alitak, AK : 04/28/2025 13:20:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/26 18Z,  -0.50,   1.79,   1.56,  99.90,   0.27,
04/26 19Z,  -0.50,   5.09,   5.04,  99.90,   0.45,
04/26 20Z,  -0.60,   8.50,   8.69,  99.90,   0.79,
04/26 21Z,  -0.60,  10.97,  11.05,  99.90,   0.68,
04/26 22Z,  -0.60,  11.89,  11.70,  99.90,   0.41,  (max)
04/26 23Z,  -0.60,  11.17,  10.95,  99.90,   0.38,
04/27 00Z,  -0.50,   9.10,   8.92,  99.90,   0.32,
04/27 01Z,  -0.60,   6.29,   6.06,  99.90,   0.37,
04/27 02Z,  -0.60,   3.52,   3.33,  99.90,   0.41,
04/27 03Z,  -0.60,   1.53,   1.43,  99.90,   0.50,
04/27 04Z,  -0.60,   0.84,   0.81,  99.90,   0.57,  (min)
04/27 05Z,  -0.60,   1.63,   1.66,  99.90,   0.63,
04/27 06Z,  -0.50,   3.79,   3.65,  99.90,   0.36,
04/27 07Z,  -0.50,   7.00,   7.04,  99.90,   0.54,
04/27 08Z,  -0.50,  10.49,  10.70,  99.90,   0.71,
04/27 09Z,  -0.50,  13.13,  13.35,  99.90,   0.72,
04/27 10Z,  -0.50,  14.12,  13.94,  99.90,   0.32,  (max)
04/27 11Z,  -0.50,  13.23,  13.15,  99.90,   0.42,
04/27 12Z,  -0.50,  10.71,  10.87,  99.90,   0.66,
04/27 13Z,  -0.50,   7.10,   7.17,  99.90,   0.57,
04/27 14Z,  -0.50,   3.23,   3.29,  99.90,   0.56,
04/27 15Z,  -0.50,  -0.08,  -0.02,  99.90,   0.56,
04/27 16Z,  -0.50,  -2.13,  -2.17,  99.90,   0.46,
04/27 17Z,  -0.50,  -2.52,  -2.42,  99.90,   0.60,  (min)
04/27 18Z,  -0.50,  -1.20,  -1.28,  99.90,   0.42,
04/27 19Z,  -0.50,   1.66,   1.37,  99.90,   0.21,
04/27 20Z,  -0.50,   5.47,   5.46,  99.90,   0.49,
04/27 21Z,  -0.50,   9.14,   9.29,  99.90,   0.65,
04/27 22Z,  -0.50,  11.55,  11.60,  99.90,   0.55,
04/27 23Z,  -0.50,  12.19,  12.01,  99.90,   0.32,  (max)
04/28 00Z,  -0.50,  11.13,  10.88,  99.90,   0.25,
04/28 01Z,  -0.50,   8.78,   8.64,  99.90,   0.36,
04/28 02Z,  -0.50,   5.89,   5.63,  99.90,   0.24,
04/28 03Z,  -0.50,   3.27,   3.03,  99.90,   0.26,
04/28 04Z,  -0.50,   1.62,   1.48,  99.90,   0.36,
04/28 05Z,  -0.40,   1.37,   1.39,  99.90,   0.42,  (min)
04/28 06Z,  -0.50,   2.61,   2.66,  99.90,   0.55,
04/28 07Z,  -0.40,   5.17,   5.23,  99.90,   0.46,
04/28 08Z,  -0.40,   8.63,   8.82,  99.90,   0.59,
04/28 09Z,  -0.40,  12.05,  12.19,  99.90,   0.54,
04/28 10Z,  -0.30,  14.27,  14.22,  99.90,   0.25,
04/28 11Z,  -0.30,  14.60,  14.24,  99.90,  -0.06,  (max)
04/28 12Z,  -0.40,  13.00,  12.90,  99.90,   0.30,
04/28 13Z,  -0.40,   9.85,   9.95,  99.90,   0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 14Z,  -0.40,   5.84,  99.90,   5.93,   0.49,
04/28 15Z,  -0.40,   1.84,  99.90,   1.91,   0.48,
04/28 16Z,  -0.40,  -1.36,  99.90,  -1.29,   0.46,
04/28 17Z,  -0.40,  -3.11,  99.90,  -3.06,   0.45,  (min)
04/28 18Z,  -0.30,  -3.09,  99.90,  -2.95,   0.44,
04/28 19Z,  -0.30,  -1.29,  99.90,  -1.16,   0.43,
04/28 20Z,  -0.30,   2.01,  99.90,   2.13,   0.42,
04/28 21Z,  -0.30,   6.08,  99.90,   6.19,   0.41,
04/28 22Z,  -0.20,   9.68,  99.90,   9.88,   0.40,
04/28 23Z,  -0.20,  11.78,  99.90,  11.97,   0.39,
04/29 00Z,  -0.20,  12.05,  99.90,  12.23,   0.38,  (max)
04/29 01Z,  -0.20,  10.68,  99.90,  10.85,   0.37,
04/29 02Z,  -0.30,   8.23,  99.90,   8.30,   0.37,
04/29 03Z,  -0.30,   5.48,  99.90,   5.55,   0.37,
04/29 04Z,  -0.30,   3.19,  99.90,   3.26,   0.37,
04/29 05Z,  -0.30,   1.98,  99.90,   2.05,   0.37,  (min)
04/29 06Z,  -0.30,   2.17,  99.90,   2.24,   0.37,
04/29 07Z,  -0.20,   3.78,  99.90,   3.95,   0.37,
04/29 08Z,  -0.20,   6.58,  99.90,   6.75,   0.37,
04/29 09Z,  -0.20,  10.03,  99.90,  10.20,   0.37,
04/29 10Z,  -0.10,  13.10,  99.90,  13.37,   0.37,
04/29 11Z,  -0.10,  14.71,  99.90,  14.98,   0.37,  (max)
04/29 12Z,  -0.10,  14.36,  99.90,  14.63,   0.37,
04/29 13Z,  -0.10,  12.20,  99.90,  12.47,   0.37,
04/29 14Z,  -0.10,   8.71,  99.90,   8.98,   0.37,
04/29 15Z,  -0.10,   4.64,  99.90,   4.90,   0.37,
04/29 16Z,  -0.10,   0.80,  99.90,   1.07,   0.37,
04/29 17Z,  -0.10,  -2.07,  99.90,  -1.80,   0.37,
04/29 18Z,  -0.20,  -3.41,  99.90,  -3.24,   0.37,  (min)
04/29 19Z,  -0.20,  -2.98,  99.90,  -2.81,   0.37,
04/29 20Z,  -0.20,  -0.82,  99.90,  -0.65,   0.37,
04/29 21Z,  -0.20,   2.69,  99.90,   2.86,   0.37,
04/29 22Z,  -0.20,   6.67,  99.90,   6.84,   0.37,
04/29 23Z,  -0.30,   9.93,  99.90,  10.00,   0.37,
04/30 00Z,  -0.30,  11.58,  99.90,  11.65,   0.37,  (max)
04/30 01Z,  -0.30,  11.48,  99.90,  11.55,   0.37,
04/30 02Z,  -0.20,   9.95,  99.90,  10.12,   0.37,
04/30 03Z,  -0.30,   7.61,  99.90,   7.68,   0.37,
04/30 04Z,  -0.30,   5.18,  99.90,   5.25,   0.37,
04/30 05Z,  -0.30,   3.33,  99.90,   3.40,   0.37,
04/30 06Z,  -0.30,   2.57,  99.90,   2.64,   0.37,  (min)
04/30 07Z,  -0.30,   3.14,  99.90,   3.20,   0.37,
04/30 08Z,  -0.30,   4.97,  99.90,   5.04,   0.37,
04/30 09Z,  -0.30,   7.78,  99.90,   7.84,   0.37,
04/30 10Z,  -0.30,  10.94,  99.90,  11.01,   0.37,
04/30 11Z,  -0.30,  13.45,  99.90,  13.52,   0.37,
04/30 12Z,  -0.30,  14.40,  99.90,  14.47,   0.37,  (max)
04/30 13Z,  -0.30,  13.50,  99.90,  13.57,   0.37,
04/30 14Z,  -0.40,  11.03,  99.90,  11.00,   0.37,
04/30 15Z,  -0.40,   7.54,  99.90,   7.51,   0.37,
04/30 16Z,  -0.40,   3.73,  99.90,   3.70,   0.37,
04/30 17Z,  -0.40,   0.29,  99.90,   0.26,   0.37,
04/30 18Z,  -0.40,  -2.12,  99.90,  -2.15,   0.37,
04/30 19Z,  -0.40,  -3.04,  99.90,  -3.07,   0.37,  (min)
04/30 20Z,  -0.30,  -2.28,  99.90,  -2.21,   0.37,
04/30 21Z,  -0.30,   0.03,  99.90,   0.10,   0.37,
04/30 22Z,  -0.30,   3.44,  99.90,   3.50,   0.37,
04/30 23Z,  -0.30,   7.06,  99.90,   7.13,   0.37,
05/01 00Z,  -0.30,   9.79,  99.90,   9.86,   0.37,
05/01 01Z,  -0.40,  10.97,  99.90,  10.94,   0.37,  (max)
05/01 02Z,  -0.40,  10.62,  99.90,  10.59,   0.37,
05/01 03Z,  -0.40,   9.13,  99.90,   9.10,   0.37,
05/01 04Z,  -0.40,   7.08,  99.90,   7.05,   0.37,
05/01 05Z,  -0.40,   5.08,  99.90,   5.05,   0.37,
05/01 06Z,  -0.40,   3.69,  99.90,   3.66,   0.37,
05/01 07Z,  -0.30,   3.32,  99.90,   3.38,   0.37,  (min)
05/01 08Z,  -0.30,   4.12,  99.90,   4.19,   0.37,
05/01 09Z,  -0.30,   5.97,  99.90,   6.03,   0.37,
05/01 10Z,  -0.30,   8.52,  99.90,   8.59,   0.37,
05/01 11Z,  -0.30,  11.19,  99.90,  11.26,   0.37,
05/01 12Z,  -0.40,  13.07,  99.90,  13.04,   0.37,
05/01 13Z,  -0.40,  13.44,  99.90,  13.41,   0.37,  (max)
05/01 14Z,  -0.40,  12.23,  99.90,  12.20,   0.37,
05/01 15Z,  -0.40,   9.79,  99.90,   9.76,   0.37,
05/01 16Z,  -0.40,   6.61,  99.90,   6.58,   0.37,
05/01 17Z,  -0.40,   3.26,  99.90,   3.23,   0.37,
05/01 18Z,  -0.40,   0.35,  99.90,   0.32,   0.37,
05/01 19Z,  -0.30,  -1.59,  99.90,  -1.52,   0.37,
05/01 20Z,  -0.20,  -2.14,  99.90,  -1.97,   0.37,  (min)
05/01 21Z,  -0.20,  -1.23,  99.90,  -1.07,   0.37,
05/01 22Z,  -0.10,   0.96,  99.90,   1.23,   0.37,
05/01 23Z,  -0.10,   4.03,  99.90,   4.30,   0.37,
05/02 00Z,  -0.10,   7.12,  99.90,   7.39,   0.37,
05/02 01Z,  -0.10,   9.29,  99.90,   9.56,   0.37,
05/02 02Z,  -0.20,  10.11,  99.90,  10.28,   0.37,  (max)
05/02 03Z,  -0.20,   9.71,  99.90,   9.88,   0.37,
05/02 04Z,  -0.20,   8.44,  99.90,   8.61,   0.37,
05/02 05Z,  -0.10,   6.78,  99.90,   7.05,   0.37,
05/02 06Z,  -0.10,   5.22,  99.90,   5.48,   0.37,