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
#Ketchikan, AK : 02/13/2026 21:22:44 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/12 06Z,   0.40,  -5.42,  -4.68,  99.90,   0.34,
02/12 07Z,   0.50,  -5.32,  -4.36,  99.90,   0.46,  (max)
02/12 08Z,   0.70,  -5.77,  -4.71,  99.90,   0.36,
02/12 09Z,   0.80,  -6.56,  -5.29,  99.90,   0.47,
02/12 10Z,   1.00,  -7.38,  -6.05,  99.90,   0.33,
02/12 11Z,   1.20,  -7.92,  -6.68,  99.90,   0.04,
02/12 12Z,   0.80,  -7.92,  -6.81,  99.90,   0.31,  (min)
02/12 13Z,   0.90,  -7.31,  -6.40,  99.90,   0.01,
02/12 14Z,   0.90,  -6.19,  -5.38,  99.90,  -0.09,
02/12 15Z,   0.90,  -4.82,  -4.02,  99.90,  -0.10,
02/12 16Z,   1.00,  -3.55,  -2.66,  99.90,  -0.11,
02/12 17Z,   1.20,  -2.71,  -1.73,  99.90,  -0.22,
02/12 18Z,   0.90,  -2.59,  -1.53,  99.90,   0.16,  (max)
02/12 19Z,   0.90,  -3.29,  -2.12,  99.90,   0.27,
02/12 20Z,   0.90,  -4.77,  -3.71,  99.90,   0.16,
02/12 21Z,   0.90,  -6.80,  -5.99,  99.90,  -0.09,
02/12 22Z,   1.00,  -9.02,  -8.58,  99.90,  -0.56,
02/12 23Z,   1.00, -11.01, -10.53,  99.90,  -0.52,
02/13 00Z,   0.60, -12.37, -12.03,  99.90,  -0.26,
02/13 01Z,   0.40, -12.82, -12.47,  99.90,  -0.05,  (min)
02/13 02Z,   0.20, -12.29, -11.96,  99.90,   0.13,
02/13 03Z,   0.10, -10.92, -10.63,  99.90,   0.19,
02/13 04Z,   0.10,  -9.04,  -8.75,  99.90,   0.19,
02/13 05Z,   0.10,  -7.07,  -6.80,  99.90,   0.17,
02/13 06Z,   0.00,  -5.44,  -5.13,  99.90,   0.31,
02/13 07Z,   0.00,  -4.49,  -4.14,  99.90,   0.35,
02/13 08Z,  -0.10,  -4.38,  -4.03,  99.90,   0.45,  (max)
02/13 09Z,  -0.10,  -5.06,  -4.72,  99.90,   0.44,
02/13 10Z,  -0.10,  -6.25,  -5.96,  99.90,   0.39,
02/13 11Z,   0.00,  -7.53,  -7.31,  99.90,   0.22,
02/13 12Z,  -0.20,  -8.45,  -8.31,  99.90,   0.34,
02/13 13Z,  -0.20,  -8.66,  -8.54,  99.90,   0.32,  (min)
02/13 14Z,  -0.10,  -8.03,  -7.91,  99.90,   0.22,
02/13 15Z,  -0.10,  -6.67,  -6.57,  99.90,   0.20,
02/13 16Z,  -0.10,  -4.91,  -4.82,  99.90,   0.19,
02/13 17Z,   0.00,  -3.22,  -3.10,  99.90,   0.12,
02/13 18Z,   0.00,  -2.07,  -1.86,  99.90,   0.21,
02/13 19Z,   0.00,  -1.82,  -1.55,  99.90,   0.27,  (max)
02/13 20Z,   0.00,  -2.63,  -2.34,  99.90,   0.29,
02/13 21Z,  -0.10,  -4.46,  -4.20,  99.90,   0.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/13 22Z,  -0.20,  -6.99,  99.90,  -6.85,   0.35,
02/13 23Z,  -0.30,  -9.74,  99.90,  -9.71,   0.33,
02/14 00Z,  -0.40, -12.13,  99.90, -12.21,   0.32,
02/14 01Z,  -0.50, -13.63,  99.90, -13.82,   0.31,
02/14 02Z,  -0.50, -13.93,  99.90, -14.13,   0.30,  (min)
02/14 03Z,  -0.50, -12.98,  99.90, -13.20,   0.28,
02/14 04Z,  -0.40, -11.03,  99.90, -11.16,   0.27,
02/14 05Z,  -0.30,  -8.55,  99.90,  -8.59,   0.26,
02/14 06Z,  -0.30,  -6.09,  99.90,  -6.15,   0.25,
02/14 07Z,  -0.30,  -4.22,  99.90,  -4.29,   0.24,
02/14 08Z,  -0.20,  -3.33,  99.90,  -3.30,   0.22,  (max)
02/14 09Z,  -0.20,  -3.57,  99.90,  -3.56,   0.21,
02/14 10Z,  -0.20,  -4.80,  99.90,  -4.79,   0.21,
02/14 11Z,  -0.20,  -6.61,  99.90,  -6.60,   0.21,
02/14 12Z,  -0.20,  -8.39,  99.90,  -8.38,   0.21,
02/14 13Z,  -0.30,  -9.55,  99.90,  -9.64,   0.21,
02/14 14Z,  -0.40,  -9.68,  99.90,  -9.87,   0.21,  (min)
02/14 15Z,  -0.50,  -8.69,  99.90,  -8.97,   0.21,
02/14 16Z,  -0.60,  -6.79,  99.90,  -7.18,   0.21,
02/14 17Z,  -0.60,  -4.48,  99.90,  -4.87,   0.21,
02/14 18Z,  -0.60,  -2.38,  99.90,  -2.77,   0.21,
02/14 19Z,  -0.60,  -1.06,  99.90,  -1.45,   0.21,
02/14 20Z,  -0.50,  -0.94,  99.90,  -1.23,   0.21,  (max)
02/14 21Z,  -0.50,  -2.19,  99.90,  -2.48,   0.21,
02/14 22Z,  -0.40,  -4.65,  99.90,  -4.84,   0.21,
02/14 23Z,  -0.30,  -7.85,  99.90,  -7.94,   0.21,
02/15 00Z,  -0.30, -11.11,  99.90, -11.20,   0.21,
02/15 01Z,  -0.20, -13.70,  99.90, -13.68,   0.21,
02/15 02Z,  -0.20, -15.01,  99.90, -15.00,   0.21,  (min)
02/15 03Z,  -0.20, -14.79,  99.90, -14.77,   0.21,
02/15 04Z,  -0.30, -13.11,  99.90, -13.20,   0.21,
02/15 05Z,  -0.40, -10.41,  99.90, -10.60,   0.21,
02/15 06Z,  -0.50,  -7.33,  99.90,  -7.62,   0.21,
02/15 07Z,  -0.60,  -4.57,  99.90,  -4.96,   0.21,
02/15 08Z,  -0.60,  -2.75,  99.90,  -3.14,   0.21,
02/15 09Z,  -0.60,  -2.28,  99.90,  -2.66,   0.21,  (max)
02/15 10Z,  -0.50,  -3.20,  99.90,  -3.49,   0.21,
02/15 11Z,  -0.50,  -5.21,  99.90,  -5.50,   0.21,
02/15 12Z,  -0.30,  -7.67,  99.90,  -7.76,   0.21,
02/15 13Z,  -0.20,  -9.80,  99.90,  -9.79,   0.21,
02/15 14Z,  -0.10, -10.91,  99.90, -10.80,   0.21,  (min)
02/15 15Z,  -0.10, -10.63,  99.90, -10.51,   0.21,
02/15 16Z,  -0.10,  -8.98,  99.90,  -8.87,   0.21,
02/15 17Z,  -0.10,  -6.40,  99.90,  -6.28,   0.21,
02/15 18Z,  -0.20,  -3.55,  99.90,  -3.54,   0.21,
02/15 19Z,  -0.20,  -1.19,  99.90,  -1.18,   0.21,
02/15 20Z,  -0.30,   0.03,  99.90,  -0.06,   0.21,  (max)
02/15 21Z,  -0.30,  -0.31,  99.90,  -0.40,   0.21,
02/15 22Z,  -0.30,  -2.27,  99.90,  -2.36,   0.21,
02/15 23Z,  -0.30,  -5.52,  99.90,  -5.61,   0.21,
02/16 00Z,  -0.20,  -9.37,  99.90,  -9.36,   0.21,
02/16 01Z,  -0.10, -12.93,  99.90, -12.82,   0.21,
02/16 02Z,  -0.10, -15.35,  99.90, -15.24,   0.21,
02/16 03Z,  -0.10, -16.09,  99.90, -15.98,   0.21,  (min)
02/16 04Z,  -0.20, -15.02,  99.90, -15.01,   0.21,
02/16 05Z,  -0.20, -12.44,  99.90, -12.43,   0.21,
02/16 06Z,  -0.30,  -9.01,  99.90,  -9.09,   0.21,
02/16 07Z,  -0.40,  -5.51,  99.90,  -5.70,   0.21,
02/16 08Z,  -0.40,  -2.76,  99.90,  -2.95,   0.21,
02/16 09Z,  -0.40,  -1.37,  99.90,  -1.55,   0.21,  (max)
02/16 10Z,  -0.40,  -1.65,  99.90,  -1.83,   0.21,
02/16 11Z,  -0.30,  -3.48,  99.90,  -3.57,   0.21,
02/16 12Z,  -0.20,  -6.32,  99.90,  -6.30,   0.21,
02/16 13Z,  -0.10,  -9.29,  99.90,  -9.18,   0.21,
02/16 14Z,  -0.10, -11.47,  99.90, -11.36,   0.21,
02/16 15Z,  -0.20, -12.19,  99.90, -12.18,   0.21,  (min)
02/16 16Z,  -0.20, -11.20,  99.90, -11.19,   0.21,
02/16 17Z,  -0.40,  -8.76,  99.90,  -8.94,   0.21,
02/16 18Z,  -0.50,  -5.50,  99.90,  -5.79,   0.21,
02/16 19Z,  -0.70,  -2.29,  99.90,  -2.78,   0.21,
02/16 20Z,  -0.80,   0.05,  99.90,  -0.54,   0.21,
02/16 21Z,  -0.80,   0.85,  99.90,   0.26,   0.21,  (max)
02/16 22Z,  -0.80,  -0.22,  99.90,  -0.81,   0.21,
02/16 23Z,  -0.80,  -3.05,  99.90,  -3.64,   0.21,
02/17 00Z,  -0.70,  -7.06,  99.90,  -7.55,   0.21,
02/17 01Z,  -0.60, -11.32,  99.90, -11.71,   0.21,
02/17 02Z,  -0.50, -14.80,  99.90, -15.09,   0.21,
02/17 03Z,  -0.50, -16.66,  99.90, -16.94,   0.21,  (min)
02/17 04Z,  -0.50, -16.48,  99.90, -16.76,   0.21,
02/17 05Z,  -0.50, -14.38,  99.90, -14.67,   0.21,
02/17 06Z,  -0.60, -10.93,  99.90, -11.31,   0.21,
02/17 07Z,  -0.70,  -6.96,  99.90,  -7.44,   0.21,
02/17 08Z,  -0.80,  -3.38,  99.90,  -3.96,   0.21,
02/17 09Z,  -0.90,  -1.00,  99.90,  -1.69,   0.21,
02/17 10Z,  -1.00,  -0.39,  99.90,  -1.18,   0.21,  (max)
02/17 11Z,  -1.00,  -1.67,  99.90,  -2.46,   0.21,
02/17 12Z,  -1.00,  -4.48,  99.90,  -5.27,   0.21,
02/17 13Z,  99.90,  -8.01,  99.90,  99.90,   0.21,
02/17 14Z,  99.90, -11.20,  99.90,  99.90,   0.21,
02/17 15Z,  99.90, -13.08,  99.90,  99.90,   0.21,
02/17 16Z,  99.90, -13.10,  99.90,  99.90,   0.21,
02/17 17Z,  99.90, -11.25,  99.90,  99.90,   0.21,
02/17 18Z,  99.90,  -8.03,  99.90,  99.90,   0.21,