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
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Seattle, WA : 02/11/2025 19:22:18 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/10 00Z,  -0.30,  -3.41,  -4.02,  99.90,  -0.31,
02/10 01Z,  -0.30,  -5.65,  -6.21,  99.90,  -0.26,
02/10 02Z,  -0.30,  -8.26,  -8.88,  99.90,  -0.32,
02/10 03Z,  -0.30, -10.65, -11.42,  99.90,  -0.47,
02/10 04Z,  -0.30, -12.22, -13.07,  99.90,  -0.55,
02/10 05Z,  -0.30, -12.57, -13.52,  99.90,  -0.65,  (min)
02/10 06Z,  -0.30, -11.70, -12.56,  99.90,  -0.56,
02/10 07Z,  -0.30,  -9.82, -10.66,  99.90,  -0.54,
02/10 08Z,  -0.30,  -7.32,  -7.95,  99.90,  -0.33,
02/10 09Z,  -0.30,  -4.68,  -5.13,  99.90,  -0.15,
02/10 10Z,  -0.30,  -2.36,  -2.70,  99.90,  -0.04,
02/10 11Z,  -0.30,  -0.62,  -1.07,  99.90,  -0.15,
02/10 12Z,  -0.40,   0.44,  -0.19,  99.90,  -0.23,
02/10 13Z,  -0.40,   0.73,  -0.12,  99.90,  -0.45,  (max)
02/10 14Z,  -0.40,   0.19,  -0.61,  99.90,  -0.40,
02/10 15Z,  -0.40,  -1.00,  -1.52,  99.90,  -0.12,
02/10 16Z,  -0.40,  -2.38,  -2.70,  99.90,   0.08,
02/10 17Z,  -0.40,  -3.45,  -3.69,  99.90,   0.16,
02/10 18Z,  -0.40,  -3.91,  -4.07,  99.90,   0.24,  (min)
02/10 19Z,  -0.40,  -3.67,  -3.80,  99.90,   0.27,
02/10 20Z,  -0.40,  -2.86,  -3.10,  99.90,   0.16,
02/10 21Z,  -0.40,  -1.83,  -2.32,  99.90,  -0.09,
02/10 22Z,  -0.40,  -1.10,  -1.63,  99.90,  -0.13,
02/10 23Z,  -0.40,  -1.07,  -1.52,  99.90,  -0.05,  (max)
02/11 00Z,  -0.30,  -1.90,  -2.27,  99.90,  -0.07,
02/11 01Z,  -0.30,  -3.58,  -3.96,  99.90,  -0.08,
02/11 02Z,  -0.30,  -5.95,  -6.40,  99.90,  -0.15,
02/11 03Z,  -0.30,  -8.64,  -9.23,  99.90,  -0.29,
02/11 04Z,  -0.30, -11.02, -11.78,  99.90,  -0.46,
02/11 05Z,  -0.30, -12.42, -13.33,  99.90,  -0.61,
02/11 06Z,  -0.30, -12.52, -13.52,  99.90,  -0.70,  (min)
02/11 07Z,  -0.30, -11.34, -12.25,  99.90,  -0.61,
02/11 08Z,  -0.30,  -9.18, -10.08,  99.90,  -0.60,
02/11 09Z,  -0.30,  -6.48,  -7.21,  99.90,  -0.43,
02/11 10Z,  -0.30,  -3.77,  -4.31,  99.90,  -0.24,
02/11 11Z,  -0.30,  -1.53,  -2.08,  99.90,  -0.25,
02/11 12Z,  -0.50,   0.01,  -0.70,  99.90,  -0.21,
02/11 13Z,  -0.50,   0.76,  -0.13,  99.90,  -0.39,  (max)
02/11 14Z,  -0.50,   0.64,  -0.41,  99.90,  -0.55,
02/11 15Z,  -0.50,  -0.32,  -1.15,  99.90,  -0.33,
02/11 16Z,  -0.50,  -1.83,  -2.36,  99.90,  -0.03,
02/11 17Z,  -0.50,  -3.34,  -3.67,  99.90,   0.17,
02/11 18Z,  -0.50,  -4.35,  -4.58,  99.90,   0.27,
02/11 19Z,  -0.40,  -4.60,  -4.66,  99.90,   0.34,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/11 20Z,  -0.40,  -4.08,  99.90,  -4.19,   0.29,
02/11 21Z,  -0.40,  -3.01,  99.90,  -3.17,   0.24,
02/11 22Z,  -0.40,  -1.83,  99.90,  -2.04,   0.20,
02/11 23Z,  -0.40,  -1.08,  99.90,  -1.33,   0.15,  (max)
02/12 00Z,  -0.40,  -1.13,  99.90,  -1.43,   0.10,
02/12 01Z,  -0.40,  -2.11,  99.90,  -2.46,   0.05,
02/12 02Z,  -0.40,  -3.95,  99.90,  -4.34,   0.00,
02/12 03Z,  -0.40,  -6.44,  99.90,  -6.89,  -0.05,
02/12 04Z,  -0.40,  -9.13,  99.90,  -9.62,  -0.09,
02/12 05Z,  -0.40, -11.32,  99.90, -11.87,  -0.14,
02/12 06Z,  -0.30, -12.40,  99.90, -12.89,  -0.19,  (min)
02/12 07Z,  -0.30, -12.09,  99.90, -12.63,  -0.24,
02/12 08Z,  -0.30, -10.53,  99.90, -11.07,  -0.24,
02/12 09Z,  -0.30,  -8.09,  99.90,  -8.63,  -0.24,
02/12 10Z,  -0.30,  -5.27,  99.90,  -5.81,  -0.24,
02/12 11Z,  -0.30,  -2.65,  99.90,  -3.19,  -0.24,
02/12 12Z,  -0.30,  -0.67,  99.90,  -1.21,  -0.24,
02/12 13Z,  -0.30,   0.48,  99.90,  -0.06,  -0.24,
02/12 14Z,  -0.30,   0.75,  99.90,   0.21,  -0.24,  (max)
02/12 15Z,  -0.20,   0.13,  99.90,  -0.31,  -0.24,
02/12 16Z,  -0.20,  -1.25,  99.90,  -1.69,  -0.24,
02/12 17Z,  -0.20,  -2.99,  99.90,  -3.43,  -0.24,
02/12 18Z,  -0.20,  -4.47,  99.90,  -4.91,  -0.24,
02/12 19Z,  -0.20,  -5.25,  99.90,  -5.69,  -0.24,  (min)
02/12 20Z,  -0.20,  -5.16,  99.90,  -5.60,  -0.24,
02/12 21Z,  -0.20,  -4.31,  99.90,  -4.75,  -0.24,
02/12 22Z,  -0.20,  -3.02,  99.90,  -3.46,  -0.24,
02/12 23Z,  -0.10,  -1.77,  99.90,  -2.11,  -0.24,
02/13 00Z,  -0.10,  -1.10,  99.90,  -1.44,  -0.24,  (max)
02/13 01Z,  -0.10,  -1.33,  99.90,  -1.67,  -0.24,
02/13 02Z,  -0.10,  -2.51,  99.90,  -2.84,  -0.24,
02/13 03Z,  -0.10,  -4.50,  99.90,  -4.84,  -0.24,
02/13 04Z,  -0.10,  -7.03,  99.90,  -7.37,  -0.24,
02/13 05Z,  -0.10,  -9.57,  99.90,  -9.91,  -0.24,
02/13 06Z,   0.00, -11.40,  99.90, -11.64,  -0.24,
02/13 07Z,   0.00, -11.99,  99.90, -12.23,  -0.24,  (min)
02/13 08Z,   0.00, -11.20,  99.90, -11.44,  -0.24,
02/13 09Z,   0.00,  -9.26,  99.90,  -9.50,  -0.24,
02/13 10Z,   0.00,  -6.63,  99.90,  -6.87,  -0.24,
02/13 11Z,   0.00,  -3.85,  99.90,  -4.09,  -0.24,
02/13 12Z,   0.00,  -1.49,  99.90,  -1.73,  -0.24,
02/13 13Z,   0.00,   0.06,  99.90,  -0.18,  -0.24,
02/13 14Z,   0.00,   0.68,  99.90,   0.44,  -0.24,  (max)
02/13 15Z,   0.10,   0.38,  99.90,   0.24,  -0.24,
02/13 16Z,   0.10,  -0.77,  99.90,  -0.91,  -0.24,
02/13 17Z,   0.10,  -2.51,  99.90,  -2.65,  -0.24,
02/13 18Z,   0.20,  -4.33,  99.90,  -4.37,  -0.24,
02/13 19Z,   0.20,  -5.62,  99.90,  -5.66,  -0.24,
02/13 20Z,   0.20,  -6.04,  99.90,  -6.08,  -0.24,  (min)
02/13 21Z,   0.20,  -5.56,  99.90,  -5.60,  -0.24,
02/13 22Z,   0.20,  -4.40,  99.90,  -4.44,  -0.24,
02/13 23Z,   0.20,  -2.95,  99.90,  -2.99,  -0.24,
02/14 00Z,   0.20,  -1.74,  99.90,  -1.78,  -0.24,
02/14 01Z,   0.20,  -1.24,  99.90,  -1.28,  -0.24,  (max)
02/14 02Z,   0.20,  -1.69,  99.90,  -1.73,  -0.24,
02/14 03Z,   0.20,  -3.05,  99.90,  -3.09,  -0.24,
02/14 04Z,   0.20,  -5.12,  99.90,  -5.16,  -0.24,
02/14 05Z,   0.20,  -7.55,  99.90,  -7.59,  -0.24,
02/14 06Z,   0.30,  -9.76,  99.90,  -9.70,  -0.24,
02/14 07Z,   0.30, -11.09,  99.90, -11.03,  -0.24,
02/14 08Z,   0.30, -11.11,  99.90, -11.05,  -0.24,  (min)
02/14 09Z,   0.30,  -9.84,  99.90,  -9.78,  -0.24,
02/14 10Z,   0.30,  -7.63,  99.90,  -7.57,  -0.24,
02/14 11Z,   0.30,  -4.97,  99.90,  -4.91,  -0.24,
02/14 12Z,   0.30,  -2.40,  99.90,  -2.34,  -0.24,
02/14 13Z,   0.30,  -0.47,  99.90,  -0.41,  -0.24,
02/14 14Z,   0.30,   0.51,  99.90,   0.57,  -0.24,  (max)
02/14 15Z,   0.30,   0.50,  99.90,   0.56,  -0.24,
02/14 16Z,   0.30,  -0.40,  99.90,  -0.34,  -0.24,
02/14 17Z,   0.30,  -2.02,  99.90,  -1.96,  -0.24,
02/14 18Z,   0.20,  -3.98,  99.90,  -4.02,  -0.24,
02/14 19Z,   0.20,  -5.71,  99.90,  -5.75,  -0.24,
02/14 20Z,   0.20,  -6.68,  99.90,  -6.72,  -0.24,
02/14 21Z,   0.10,  -6.67,  99.90,  -6.81,  -0.24,  (min)
02/14 22Z,   0.10,  -5.80,  99.90,  -5.94,  -0.24,
02/14 23Z,   0.10,  -4.40,  99.90,  -4.54,  -0.24,
02/15 00Z,   0.10,  -2.88,  99.90,  -3.02,  -0.24,
02/15 01Z,   0.00,  -1.78,  99.90,  -2.02,  -0.24,
02/15 02Z,   0.00,  -1.50,  99.90,  -1.74,  -0.24,  (max)
02/15 03Z,   0.00,  -2.15,  99.90,  -2.39,  -0.24,
02/15 04Z,   0.00,  -3.61,  99.90,  -3.85,  -0.24,
02/15 05Z,   0.00,  -5.63,  99.90,  -5.87,  -0.24,
02/15 06Z,   0.00,  -7.80,  99.90,  -8.04,  -0.24,
02/15 07Z,   0.00,  -9.54,  99.90,  -9.78,  -0.24,
02/15 08Z,   0.00, -10.28,  99.90, -10.52,  -0.24,  (min)
02/15 09Z,  -0.10,  -9.76,  99.90, -10.10,  -0.24,
02/15 10Z,  -0.10,  -8.13,  99.90,  -8.47,  -0.24,
02/15 11Z,  -0.10,  -5.82,  99.90,  -6.16,  -0.24,
02/15 12Z,  -0.20,  -3.31,  99.90,  -3.75,  -0.24,