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
#Cordova, AK : 04/13/2026 07:21:56 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 12Z,  -0.20,  -9.58, -10.11,  99.90,  -0.33,  (min)
04/11 13Z,  -0.20,  -8.96,  -9.43,  99.90,  -0.27,
04/11 14Z,  -0.20,  -8.29,  -8.76,  99.90,  -0.27,
04/11 15Z,  -0.20,  -7.59,  -8.21,  99.90,  -0.42,
04/11 16Z,  -0.20,  -6.99,  -7.65,  99.90,  -0.46,
04/11 17Z,  -0.20,  -6.75,  -7.36,  99.90,  -0.41,  (max)
04/11 18Z,  -0.10,  -7.09,  -7.63,  99.90,  -0.44,
04/11 19Z,  -0.10,  -8.11,  99.90,  99.90,  99.90,
04/11 20Z,  -0.10,  -9.57, -10.12,  99.90,  -0.45,
04/11 21Z,  -0.10, -11.17, -11.72,  99.90,  -0.45,
04/11 22Z,  -0.10, -12.62, -13.18,  99.90,  -0.46,
04/11 23Z,  -0.10, -13.56,  99.90,  99.90,  99.90,
04/12 00Z,  -0.10, -13.79, -14.17,  99.90,  -0.28,  (min)
04/12 01Z,  -0.10, -13.41, -13.83,  99.90,  -0.32,
04/12 02Z,  -0.10, -12.56, -12.94,  99.90,  -0.28,
04/12 03Z,  -0.10, -11.29, -11.57,  99.90,  -0.18,
04/12 04Z,  -0.10,  -9.77, -10.03,  99.90,  -0.16,
04/12 05Z,  -0.10,  -8.35,  -8.50,  99.90,  -0.05,
04/12 06Z,  -0.10,  -7.40,  -7.47,  99.90,   0.03,
04/12 07Z,   0.00,  -7.20,  -7.15,  99.90,   0.05,  (max)
04/12 08Z,   0.00,  -7.67,  -7.72,  99.90,  -0.05,
04/12 09Z,   0.00,  -8.56,  -8.67,  99.90,  -0.11,
04/12 10Z,   0.00,  -9.60,  -9.61,  99.90,  -0.01,
04/12 11Z,   0.00, -10.49, -10.52,  99.90,  -0.03,
04/12 12Z,   0.00, -10.88, -10.81,  99.90,   0.07,  (min)
04/12 13Z,   0.00, -10.70, -10.77,  99.90,  -0.07,
04/12 14Z,   0.10, -10.09,  99.90,  99.90,  99.90,
04/12 15Z,   0.10,  -9.12,  -9.20,  99.90,  -0.18,
04/12 16Z,   0.00,  -7.93,  -8.05,  99.90,  -0.12,
04/12 17Z,   0.00,  -6.88,  -6.94,  99.90,  -0.06,
04/12 18Z,   0.00,  -6.34,  -6.37,  99.90,  -0.03,  (max)
04/12 19Z,   0.10,  -6.61,  -6.53,  99.90,  -0.02,
04/12 20Z,   0.10,  -7.70,  -7.68,  99.90,  -0.08,
04/12 21Z,   0.20,  -9.33,  -9.29,  99.90,  -0.16,
04/12 22Z,   0.20, -11.17, -11.15,  99.90,  -0.18,
04/12 23Z,   0.20, -12.91, -12.80,  99.90,  -0.09,
04/13 00Z,   0.20, -14.10, -14.03,  99.90,  -0.13,
04/13 01Z,   0.20, -14.43, -14.35,  99.90,  -0.12,  (min)
04/13 02Z,   0.20, -13.92, -13.72,  99.90,  -0.00,
04/13 03Z,   0.30, -12.67, -12.45,  99.90,  -0.08,
04/13 04Z,   0.30, -10.84, -10.66,  99.90,  -0.12,
04/13 05Z,   0.20,  -8.85,  -8.72,  99.90,  -0.07,
04/13 06Z,   0.20,  -7.19,  -7.00,  99.90,  -0.01,
04/13 07Z,   0.10,  -6.31,  -6.01,  99.90,   0.20,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 08Z,   0.10,  -6.38,  99.90,  -6.12,   0.16,
04/13 09Z,   0.10,  -7.27,  99.90,  -7.05,   0.12,
04/13 10Z,   0.10,  -8.67,  99.90,  -8.48,   0.09,
04/13 11Z,   0.20, -10.27,  99.90, -10.02,   0.05,
04/13 12Z,   0.20, -11.65,  99.90, -11.44,   0.01,
04/13 13Z,   0.30, -12.31,  99.90, -12.04,  -0.02,  (min)
04/13 14Z,   0.30, -12.11,  99.90, -11.87,  -0.06,
04/13 15Z,   0.30, -11.13,  99.90, -10.93,  -0.10,
04/13 16Z,   0.30,  -9.58,  99.90,  -9.41,  -0.13,
04/13 17Z,   0.30,  -7.81,  99.90,  -7.68,  -0.17,
04/13 18Z,   0.30,  -6.37,  99.90,  -6.28,  -0.20,
04/13 19Z,   0.30,  -5.71,  99.90,  -5.65,  -0.24,  (max)
04/13 20Z,   0.30,  -6.06,  99.90,  -6.00,  -0.24,
04/13 21Z,   0.30,  -7.37,  99.90,  -7.31,  -0.24,
04/13 22Z,   0.20,  -9.30,  99.90,  -9.34,  -0.24,
04/13 23Z,   0.30, -11.51,  99.90, -11.45,  -0.24,
04/14 00Z,   0.20, -13.57,  99.90, -13.61,  -0.24,
04/14 01Z,   0.20, -14.87,  99.90, -14.91,  -0.24,
04/14 02Z,   0.20, -15.02,  99.90, -15.06,  -0.24,  (min)
04/14 03Z,   0.20, -14.02,  99.90, -14.06,  -0.24,
04/14 04Z,   0.20, -12.11,  99.90, -12.15,  -0.24,
04/14 05Z,   0.20,  -9.69,  99.90,  -9.73,  -0.24,
04/14 06Z,   0.20,  -7.37,  99.90,  -7.41,  -0.24,
04/14 07Z,   0.10,  -5.73,  99.90,  -5.87,  -0.24,
04/14 08Z,   0.10,  -5.16,  99.90,  -5.30,  -0.24,  (max)
04/14 09Z,   0.20,  -5.74,  99.90,  -5.78,  -0.24,
04/14 10Z,   0.10,  -7.25,  99.90,  -7.39,  -0.24,
04/14 11Z,   0.10,  -9.34,  99.90,  -9.48,  -0.24,
04/14 12Z,   0.00, -11.58,  99.90, -11.82,  -0.24,
04/14 13Z,   0.00, -13.35,  99.90, -13.59,  -0.24,
04/14 14Z,   0.00, -14.02,  99.90, -14.26,  -0.24,  (min)
04/14 15Z,   0.00, -13.43,  99.90, -13.67,  -0.24,
04/14 16Z,   0.00, -11.82,  99.90, -12.06,  -0.24,
04/14 17Z,   0.00,  -9.57,  99.90,  -9.81,  -0.24,
04/14 18Z,   0.00,  -7.31,  99.90,  -7.55,  -0.24,
04/14 19Z,   0.00,  -5.65,  99.90,  -5.90,  -0.24,
04/14 20Z,   0.00,  -5.03,  99.90,  -5.27,  -0.24,  (max)
04/14 21Z,   0.00,  -5.61,  99.90,  -5.85,  -0.24,
04/14 22Z,   0.00,  -7.24,  99.90,  -7.48,  -0.24,
04/14 23Z,   0.00,  -9.56,  99.90,  -9.80,  -0.24,
04/15 00Z,   0.00, -12.16,  99.90, -12.40,  -0.24,
04/15 01Z,   0.00, -14.42,  99.90, -14.66,  -0.24,
04/15 02Z,   0.00, -15.56,  99.90, -15.80,  -0.24,  (min)
04/15 03Z,   0.00, -15.18,  99.90, -15.42,  -0.24,
04/15 04Z,   0.00, -13.46,  99.90, -13.70,  -0.24,
04/15 05Z,   0.00, -10.85,  99.90, -11.09,  -0.24,
04/15 06Z,   0.00,  -7.99,  99.90,  -8.23,  -0.24,
04/15 07Z,   0.00,  -5.61,  99.90,  -5.85,  -0.24,
04/15 08Z,   0.00,  -4.25,  99.90,  -4.50,  -0.24,
04/15 09Z,   0.00,  -4.22,  99.90,  -4.46,  -0.24,  (max)
04/15 10Z,   0.00,  -5.49,  99.90,  -5.73,  -0.24,
04/15 11Z,   0.00,  -7.77,  99.90,  -8.01,  -0.24,
04/15 12Z,   0.00, -10.61,  99.90, -10.85,  -0.24,
04/15 13Z,   0.00, -13.40,  99.90, -13.65,  -0.24,
04/15 14Z,   0.00, -15.30,  99.90, -15.54,  -0.24,
04/15 15Z,   0.00, -15.63,  99.90, -15.87,  -0.24,  (min)
04/15 16Z,   0.00, -14.38,  99.90, -14.62,  -0.24,
04/15 17Z,   0.00, -12.01,  99.90, -12.26,  -0.24,
04/15 18Z,   0.00,  -9.17,  99.90,  -9.41,  -0.24,
04/15 19Z,   0.00,  -6.60,  99.90,  -6.84,  -0.24,
04/15 20Z,   0.00,  -4.91,  99.90,  -5.15,  -0.24,
04/15 21Z,   0.00,  -4.46,  99.90,  -4.70,  -0.24,  (max)
04/15 22Z,   0.00,  -5.35,  99.90,  -5.59,  -0.24,
04/15 23Z,   0.00,  -7.38,  99.90,  -7.62,  -0.24,
04/16 00Z,   0.00, -10.12,  99.90, -10.36,  -0.24,
04/16 01Z,   0.00, -13.00,  99.90, -13.24,  -0.24,
04/16 02Z,  -0.10, -15.19,  99.90, -15.53,  -0.24,
04/16 03Z,  -0.10, -15.84,  99.90, -16.18,  -0.24,  (min)
04/16 04Z,  -0.10, -14.72,  99.90, -15.06,  -0.24,
04/16 05Z,  -0.10, -12.23,  99.90, -12.57,  -0.24,
04/16 06Z,  -0.10,  -9.08,  99.90,  -9.42,  -0.24,
04/16 07Z,  -0.10,  -6.05,  99.90,  -6.39,  -0.24,
04/16 08Z,  -0.10,  -3.88,  99.90,  -4.22,  -0.24,
04/16 09Z,  -0.10,  -3.02,  99.90,  -3.36,  -0.24,  (max)
04/16 10Z,  -0.10,  -3.68,  99.90,  -4.02,  -0.24,
04/16 11Z,  -0.10,  -5.75,  99.90,  -6.09,  -0.24,
04/16 12Z,   0.00,  -8.84,  99.90,  -9.08,  -0.24,
04/16 13Z,  -0.10, -12.34,  99.90, -12.68,  -0.24,
04/16 14Z,  -0.10, -15.42,  99.90, -15.76,  -0.24,
04/16 15Z,  -0.10, -17.09,  99.90, -17.43,  -0.24,  (min)
04/16 16Z,  -0.10, -16.80,  99.90, -17.14,  -0.24,
04/16 17Z,   0.00, -14.80,  99.90, -15.04,  -0.24,
04/16 18Z,   0.00, -11.77,  99.90, -12.01,  -0.24,
04/16 19Z,  -0.10,  -8.54,  99.90,  -8.88,  -0.24,
04/16 20Z,   0.00,  -5.86,  99.90,  -6.10,  -0.24,
04/16 21Z,   0.00,  -4.30,  99.90,  -4.54,  -0.24,
04/16 22Z,   0.00,  -4.13,  99.90,  -4.37,  -0.24,  (max)
04/16 23Z,   0.00,  -5.40,  99.90,  -5.65,  -0.24,
04/17 00Z,   0.00,  -7.84,  99.90,  -8.08,  -0.24,