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
#Sitka, AK : 06/25/2025 05:22:24 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/23 12Z,  -0.20,   0.28,  -0.01,  99.90,  -0.09,
06/23 13Z,  -0.30,  -1.39,  -1.69,  99.90,   0.00,
06/23 14Z,  -0.30,  -1.92,  -2.07,  99.90,   0.15,  (min)
06/23 15Z,  -0.40,  -1.26,  -1.48,  99.90,   0.18,
06/23 16Z,  -0.30,   0.41,   0.18,  99.90,   0.07,
06/23 17Z,  -0.30,   2.64,   2.31,  99.90,  -0.03,
06/23 18Z,  -0.30,   4.93,   4.55,  99.90,  -0.08,
06/23 19Z,  -0.30,   6.75,   6.29,  99.90,  -0.16,
06/23 20Z,  -0.30,   7.74,   7.30,  99.90,  -0.14,
06/23 21Z,  -0.30,   7.78,   7.37,  99.90,  -0.11,  (max)
06/23 22Z,  -0.30,   6.99,   6.57,  99.90,  -0.12,
06/23 23Z,  -0.30,   5.70,   5.39,  99.90,  -0.01,
06/24 00Z,  -0.30,   4.40,   4.10,  99.90,   0.00,
06/24 01Z,  -0.30,   3.54,   3.31,  99.90,   0.07,
06/24 02Z,  -0.30,   3.47,   3.22,  99.90,   0.05,  (min)
06/24 03Z,  -0.30,   4.30,   4.05,  99.90,   0.05,
06/24 04Z,  -0.30,   5.90,   5.58,  99.90,  -0.02,
06/24 05Z,  -0.30,   7.90,   7.57,  99.90,  -0.03,
06/24 06Z,  -0.30,   9.77,   9.38,  99.90,  -0.09,
06/24 07Z,  -0.30,  11.01,  10.57,  99.90,  -0.14,
06/24 08Z,  -0.30,  11.20,  10.81,  99.90,  -0.09,  (max)
06/24 09Z,  -0.30,  10.18,   9.79,  99.90,  -0.09,
06/24 10Z,  -0.20,   8.05,   7.72,  99.90,  -0.13,
06/24 11Z,  -0.20,   5.18,   4.89,  99.90,  -0.09,
06/24 12Z,  -0.20,   2.13,   1.95,  99.90,   0.02,
06/24 13Z,  -0.20,  -0.48,  -0.61,  99.90,   0.07,
06/24 14Z,  -0.20,  -2.14,  -2.21,  99.90,   0.13,
06/24 15Z,  -0.20,  -2.52,  -2.56,  99.90,   0.16,  (min)
06/24 16Z,  -0.10,  -1.61,  -1.66,  99.90,   0.05,
06/24 17Z,  -0.10,   0.35,   0.24,  99.90,  -0.01,
06/24 18Z,  -0.10,   2.86,   2.63,  99.90,  -0.13,
06/24 19Z,  -0.10,   5.35,   5.12,  99.90,  -0.13,
06/24 20Z,  -0.10,   7.27,   7.06,  99.90,  -0.11,
06/24 21Z,  -0.10,   8.25,   8.03,  99.90,  -0.12,  (max)
06/24 22Z,   0.00,   8.18,   7.96,  99.90,  -0.22,
06/24 23Z,   0.00,   7.23,   7.13,  99.90,  -0.10,
06/25 00Z,   0.00,   5.78,   5.75,  99.90,  -0.03,
06/25 01Z,   0.00,   4.36,   4.35,  99.90,  -0.01,
06/25 02Z,   0.00,   3.47,   3.48,  99.90,   0.01,
06/25 03Z,   0.00,   3.45,   3.48,  99.90,   0.03,  (min)
06/25 04Z,   0.00,   4.39,   4.35,  99.90,  -0.04,
06/25 05Z,   0.00,   6.12,   6.10,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/25 06Z,   0.00,   8.21,  99.90,   8.19,  -0.02,
06/25 07Z,   0.00,  10.11,  99.90,  10.09,  -0.02,
06/25 08Z,   0.10,  11.27,  99.90,  11.35,  -0.02,
06/25 09Z,   0.10,  11.30,  99.90,  11.38,  -0.02,  (max)
06/25 10Z,   0.10,  10.05,  99.90,  10.13,  -0.03,
06/25 11Z,   0.00,   7.68,  99.90,   7.65,  -0.03,
06/25 12Z,   0.00,   4.62,  99.90,   4.59,  -0.03,
06/25 13Z,   0.00,   1.47,  99.90,   1.44,  -0.03,
06/25 14Z,   0.00,  -1.11,  99.90,  -1.15,  -0.03,
06/25 15Z,   0.00,  -2.62,  99.90,  -2.65,  -0.04,
06/25 16Z,   0.00,  -2.76,  99.90,  -2.80,  -0.04,  (min)
06/25 17Z,   0.00,  -1.56,  99.90,  -1.60,  -0.04,
06/25 18Z,   0.00,   0.66,  99.90,   0.62,  -0.04,
06/25 19Z,   0.00,   3.37,  99.90,   3.33,  -0.04,
06/25 20Z,   0.00,   5.93,  99.90,   5.89,  -0.04,
06/25 21Z,   0.00,   7.80,  99.90,   7.76,  -0.04,
06/25 22Z,   0.00,   8.64,  99.90,   8.60,  -0.04,  (max)
06/25 23Z,   0.00,   8.36,  99.90,   8.32,  -0.04,
06/26 00Z,   0.00,   7.21,  99.90,   7.16,  -0.04,
06/26 01Z,   0.00,   5.61,  99.90,   5.57,  -0.04,
06/26 02Z,   0.00,   4.13,  99.90,   4.09,  -0.04,
06/26 03Z,   0.00,   3.27,  99.90,   3.23,  -0.04,  (min)
06/26 04Z,   0.00,   3.36,  99.90,   3.32,  -0.04,
06/26 05Z,   0.00,   4.44,  99.90,   4.40,  -0.04,
06/26 06Z,   0.00,   6.28,  99.90,   6.24,  -0.04,
06/26 07Z,  -0.10,   8.42,  99.90,   8.28,  -0.04,
06/26 08Z,   0.00,  10.28,  99.90,  10.24,  -0.04,
06/26 09Z,   0.00,  11.30,  99.90,  11.26,  -0.04,  (max)
06/26 10Z,   0.00,  11.12,  99.90,  11.08,  -0.04,
06/26 11Z,   0.00,   9.65,  99.90,   9.61,  -0.04,
06/26 12Z,   0.00,   7.10,  99.90,   7.06,  -0.04,
06/26 13Z,   0.00,   3.96,  99.90,   3.92,  -0.04,
06/26 14Z,   0.00,   0.86,  99.90,   0.82,  -0.04,
06/26 15Z,   0.00,  -1.55,  99.90,  -1.59,  -0.04,
06/26 16Z,   0.00,  -2.78,  99.90,  -2.82,  -0.04,  (min)
06/26 17Z,   0.00,  -2.61,  99.90,  -2.65,  -0.04,
06/26 18Z,   0.00,  -1.12,  99.90,  -1.16,  -0.04,
06/26 19Z,   0.00,   1.30,  99.90,   1.26,  -0.04,
06/26 20Z,   0.00,   4.06,  99.90,   4.02,  -0.04,
06/26 21Z,   0.00,   6.56,  99.90,   6.52,  -0.04,
06/26 22Z,   0.00,   8.24,  99.90,   8.20,  -0.04,
06/26 23Z,   0.00,   8.83,  99.90,   8.79,  -0.04,  (max)
06/27 00Z,   0.00,   8.30,  99.90,   8.26,  -0.04,
06/27 01Z,   0.00,   6.96,  99.90,   6.91,  -0.04,
06/27 02Z,   0.00,   5.27,  99.90,   5.23,  -0.04,
06/27 03Z,   0.00,   3.81,  99.90,   3.77,  -0.04,
06/27 04Z,   0.00,   3.05,  99.90,   3.01,  -0.04,  (min)
06/27 05Z,   0.00,   3.29,  99.90,   3.25,  -0.04,
06/27 06Z,   0.00,   4.50,  99.90,   4.46,  -0.04,
06/27 07Z,   0.00,   6.41,  99.90,   6.37,  -0.04,
06/27 08Z,   0.00,   8.52,  99.90,   8.48,  -0.04,
06/27 09Z,   0.00,  10.23,  99.90,  10.19,  -0.04,
06/27 10Z,   0.00,  11.04,  99.90,  11.00,  -0.04,  (max)
06/27 11Z,   0.10,  10.63,  99.90,  10.69,  -0.04,
06/27 12Z,   0.10,   8.97,  99.90,   9.03,  -0.04,
06/27 13Z,   0.10,   6.34,  99.90,   6.40,  -0.04,
06/27 14Z,   0.00,   3.26,  99.90,   3.22,  -0.04,
06/27 15Z,   0.00,   0.37,  99.90,   0.33,  -0.04,
06/27 16Z,   0.00,  -1.73,  99.90,  -1.77,  -0.04,
06/27 17Z,   0.00,  -2.59,  99.90,  -2.63,  -0.04,  (min)
06/27 18Z,   0.00,  -2.08,  99.90,  -2.12,  -0.04,
06/27 19Z,   0.00,  -0.36,  99.90,  -0.40,  -0.04,
06/27 20Z,   0.00,   2.16,  99.90,   2.11,  -0.04,
06/27 21Z,   0.10,   4.86,  99.90,   4.92,  -0.04,
06/27 22Z,   0.10,   7.14,  99.90,   7.20,  -0.04,
06/27 23Z,   0.10,   8.54,  99.90,   8.60,  -0.04,
06/28 00Z,   0.10,   8.82,  99.90,   8.88,  -0.04,  (max)
06/28 01Z,   0.10,   8.05,  99.90,   8.11,  -0.04,
06/28 02Z,   0.10,   6.56,  99.90,   6.62,  -0.04,
06/28 03Z,   0.10,   4.86,  99.90,   4.92,  -0.04,
06/28 04Z,   0.10,   3.49,  99.90,   3.55,  -0.04,
06/28 05Z,   0.00,   2.89,  99.90,   2.85,  -0.04,  (min)
06/28 06Z,   0.00,   3.27,  99.90,   3.23,  -0.04,
06/28 07Z,   0.00,   4.57,  99.90,   4.53,  -0.04,
06/28 08Z,   0.00,   6.46,  99.90,   6.42,  -0.04,
06/28 09Z,   0.00,   8.43,  99.90,   8.39,  -0.04,
06/28 10Z,   0.00,   9.92,  99.90,   9.88,  -0.04,
06/28 11Z,   0.00,  10.47,  99.90,  10.43,  -0.04,  (max)
06/28 12Z,   0.00,   9.84,  99.90,   9.80,  -0.04,
06/28 13Z,   0.00,   8.07,  99.90,   8.03,  -0.04,
06/28 14Z,   0.00,   5.48,  99.90,   5.44,  -0.04,
06/28 15Z,   0.00,   2.61,  99.90,   2.57,  -0.04,
06/28 16Z,   0.00,   0.07,  99.90,   0.03,  -0.04,
06/28 17Z,   0.00,  -1.60,  99.90,  -1.65,  -0.04,
06/28 18Z,   0.00,  -2.06,  99.90,  -2.10,  -0.04,  (min)
06/28 19Z,   0.00,  -1.23,  99.90,  -1.27,  -0.04,
06/28 20Z,   0.00,   0.66,  99.90,   0.62,  -0.04,
06/28 21Z,   0.00,   3.14,  99.90,   3.10,  -0.04,
06/28 22Z,   0.00,   5.66,  99.90,   5.62,  -0.04,
06/28 23Z,   0.00,   7.63,  99.90,   7.59,  -0.04,
06/29 00Z,   0.00,   8.68,  99.90,   8.64,  -0.04,