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 : 07/09/2025 18:24:05 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 00Z,  -0.20,  -9.22,  -8.85,  99.90,   0.57,
07/08 01Z,  -0.20,  -9.94,  -9.57,  99.90,   0.57,  (min)
07/08 02Z,  -0.10,  -9.61,  -9.18,  99.90,   0.53,
07/08 03Z,  -0.10,  -8.24,  -7.78,  99.90,   0.56,
07/08 04Z,  -0.10,  -6.17,  -5.67,  99.90,   0.60,
07/08 05Z,   0.00,  -3.92,  -3.32,  99.90,   0.60,
07/08 06Z,  -0.10,  -2.09,  -1.43,  99.90,   0.76,
07/08 07Z,   0.00,  -1.18,  -0.50,  99.90,   0.68,  (max)
07/08 08Z,   0.00,  -1.49,  -0.84,  99.90,   0.65,
07/08 09Z,   0.00,  -3.09,  -2.54,  99.90,   0.55,
07/08 10Z,   0.00,  -5.73,  -5.35,  99.90,   0.38,
07/08 11Z,   0.10,  -8.91,  -8.71,  99.90,   0.10,
07/08 12Z,   0.00, -11.98, -11.81,  99.90,   0.17,
07/08 13Z,   0.00, -14.25, -13.98,  99.90,   0.27,
07/08 14Z,   0.00, -15.26, -14.87,  99.90,   0.39,  (min)
07/08 15Z,   0.10, -14.80, -14.26,  99.90,   0.44,
07/08 16Z,   0.10, -13.06, -12.50,  99.90,   0.46,
07/08 17Z,   0.10, -10.48,  -9.95,  99.90,   0.43,
07/08 18Z,   0.00,  -7.68,  -7.25,  99.90,   0.43,
07/08 19Z,   0.00,  -5.30,  -4.93,  99.90,   0.37,
07/08 20Z,   0.00,  -3.82,  -3.52,  99.90,   0.30,
07/08 21Z,   0.00,  -3.55,  -3.31,  99.90,   0.24,  (max)
07/08 22Z,   0.10,  -4.45,  -4.17,  99.90,   0.18,
07/08 23Z,   0.10,  -6.20,  -5.92,  99.90,   0.18,
07/09 00Z,   0.00,  -8.20,  -8.00,  99.90,   0.20,
07/09 01Z,   0.00,  -9.78,  -9.66,  99.90,   0.12,
07/09 02Z,   0.10, -10.37, -10.33,  99.90,  -0.06,  (min)
07/09 03Z,   0.10,  -9.71,  -9.68,  99.90,  -0.07,
07/09 04Z,   0.10,  -7.95,  -7.91,  99.90,  -0.06,
07/09 05Z,   0.10,  -5.52,  -5.42,  99.90,   0.00,
07/09 06Z,   0.00,  -3.07,  -2.91,  99.90,   0.16,
07/09 07Z,   0.00,  -1.23,  -0.99,  99.90,   0.24,
07/09 08Z,   0.00,  -0.54,  -0.31,  99.90,   0.23,  (max)
07/09 09Z,   0.00,  -1.27,  -1.14,  99.90,   0.13,
07/09 10Z,   0.00,  -3.41,  -3.43,  99.90,  -0.02,
07/09 11Z,   0.00,  -6.59,  -6.79,  99.90,  -0.20,
07/09 12Z,  -0.20, -10.19, -10.41,  99.90,  -0.02,
07/09 13Z,  -0.10, -13.40, -13.58,  99.90,  -0.08,
07/09 14Z,  -0.10, -15.52, -15.59,  99.90,   0.03,
07/09 15Z,  -0.10, -16.08, -16.00,  99.90,   0.18,  (min)
07/09 16Z,  -0.10, -15.02, -14.89,  99.90,   0.23,
07/09 17Z,  -0.10, -12.67, -12.58,  99.90,   0.19,
07/09 18Z,  -0.10,  -9.62,  -9.54,  99.90,   0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 19Z,  -0.10,  -6.57,  99.90,  -6.48,   0.19,
07/09 20Z,  -0.10,  -4.18,  99.90,  -4.08,   0.20,
07/09 21Z,  -0.10,  -2.96,  99.90,  -2.84,   0.21,  (max)
07/09 22Z,  -0.20,  -3.13,  99.90,  -3.11,   0.22,
07/09 23Z,  -0.20,  -4.56,  99.90,  -4.53,   0.23,
07/10 00Z,  -0.20,  -6.78,  99.90,  -6.74,   0.24,
07/10 01Z,  -0.20,  -9.03,  99.90,  -8.98,   0.25,
07/10 02Z,  -0.20, -10.56,  99.90, -10.50,   0.26,
07/10 03Z,  -0.20, -10.82,  99.90, -10.76,   0.27,  (min)
07/10 04Z,  -0.20,  -9.69,  99.90,  -9.61,   0.28,
07/10 05Z,  -0.20,  -7.44,  99.90,  -7.35,   0.29,
07/10 06Z,  -0.20,  -4.65,  99.90,  -4.56,   0.30,
07/10 07Z,  -0.20,  -2.07,  99.90,  -1.97,   0.30,
07/10 08Z,  -0.20,  -0.36,  99.90,  -0.26,   0.30,
07/10 09Z,  -0.20,  -0.04,  99.90,   0.05,   0.30,  (max)
07/10 10Z,  -0.20,  -1.34,  99.90,  -1.25,   0.30,
07/10 11Z,  -0.20,  -4.12,  99.90,  -4.02,   0.30,
07/10 12Z,  -0.20,  -7.86,  99.90,  -7.77,   0.30,
07/10 13Z,  -0.20, -11.76,  99.90, -11.67,   0.30,
07/10 14Z,  -0.20, -14.93,  99.90, -14.83,   0.30,
07/10 15Z,  -0.20, -16.63,  99.90, -16.54,   0.30,  (min)
07/10 16Z,  -0.20, -16.55,  99.90, -16.45,   0.30,
07/10 17Z,  -0.20, -14.79,  99.90, -14.69,   0.30,
07/10 18Z,  -0.30, -11.83,  99.90, -11.84,   0.30,
07/10 19Z,  -0.30,  -8.40,  99.90,  -8.41,   0.30,
07/10 20Z,  -0.30,  -5.25,  99.90,  -5.26,   0.30,
07/10 21Z,  -0.30,  -3.06,  99.90,  -3.07,   0.30,
07/10 22Z,  -0.30,  -2.29,  99.90,  -2.30,   0.30,  (max)
07/10 23Z,  -0.20,  -3.07,  99.90,  -2.98,   0.30,
07/11 00Z,  -0.10,  -5.11,  99.90,  -4.92,   0.30,
07/11 01Z,  -0.10,  -7.74,  99.90,  -7.54,   0.30,
07/11 02Z,   0.00, -10.08,  99.90,  -9.79,   0.30,
07/11 03Z,   0.00, -11.36,  99.90, -11.07,   0.30,  (min)
07/11 04Z,   0.00, -11.13,  99.90, -10.84,   0.30,
07/11 05Z,   0.00,  -9.42,  99.90,  -9.13,   0.30,
07/11 06Z,  -0.10,  -6.68,  99.90,  -6.49,   0.30,
07/11 07Z,  -0.10,  -3.64,  99.90,  -3.44,   0.30,
07/11 08Z,  -0.10,  -1.06,  99.90,  -0.86,   0.30,
07/11 09Z,   0.00,   0.35,  99.90,   0.65,   0.30,  (max)
07/11 10Z,   0.00,   0.13,  99.90,   0.42,   0.30,
07/11 11Z,   0.00,  -1.85,  99.90,  -1.56,   0.30,
07/11 12Z,   0.00,  -5.29,  99.90,  -5.00,   0.30,
07/11 13Z,  -0.10,  -9.48,  99.90,  -9.29,   0.30,
07/11 14Z,  -0.10, -13.47,  99.90, -13.27,   0.30,
07/11 15Z,  -0.20, -16.31,  99.90, -16.21,   0.30,
07/11 16Z,  -0.20, -17.37,  99.90, -17.28,   0.30,  (min)
07/11 17Z,  -0.30, -16.51,  99.90, -16.52,   0.30,
07/11 18Z,  -0.30, -14.03,  99.90, -14.03,   0.30,
07/11 19Z,  -0.40, -10.57,  99.90, -10.67,   0.30,
07/11 20Z,  -0.40,  -6.92,  99.90,  -7.02,   0.30,
07/11 21Z,  -0.40,  -3.88,  99.90,  -3.99,   0.30,
07/11 22Z,  -0.40,  -2.11,  99.90,  -2.21,   0.30,
07/11 23Z,  -0.40,  -1.97,  99.90,  -2.07,   0.30,  (max)
07/12 00Z,  -0.30,  -3.45,  99.90,  -3.45,   0.30,
07/12 01Z,  -0.30,  -6.05,  99.90,  -6.05,   0.30,
07/12 02Z,  -0.30,  -8.94,  99.90,  -8.94,   0.30,
07/12 03Z,  -0.30, -11.16,  99.90, -11.17,   0.30,
07/12 04Z,  -0.30, -12.01,  99.90, -12.01,   0.30,  (min)
07/12 05Z,  -0.40, -11.18,  99.90, -11.28,   0.30,
07/12 06Z,  -0.40,  -8.90,  99.90,  -9.00,   0.30,
07/12 07Z,  -0.50,  -5.78,  99.90,  -5.98,   0.30,
07/12 08Z,  -0.50,  -2.62,  99.90,  -2.82,   0.30,
07/12 09Z,  -0.50,  -0.23,  99.90,  -0.44,   0.30,
07/12 10Z,  -0.50,   0.71,  99.90,   0.51,   0.30,  (max)
07/12 11Z,  -0.50,  -0.17,  99.90,  -0.38,   0.30,
07/12 12Z,  -0.40,  -2.86,  99.90,  -2.96,   0.30,
07/12 13Z,  -0.30,  -6.85,  99.90,  -6.85,   0.30,
07/12 14Z,  -0.30, -11.25,  99.90, -11.26,   0.30,
07/12 15Z,  -0.30, -15.03,  99.90, -15.04,   0.30,
07/12 16Z,  -0.30, -17.29,  99.90, -17.29,   0.30,
07/12 17Z,  -0.30, -17.55,  99.90, -17.56,   0.30,  (min)
07/12 18Z,  -0.40, -15.88,  99.90, -15.99,   0.30,
07/12 19Z,  -0.40, -12.77,  99.90, -12.87,   0.30,
07/12 20Z,  -0.40,  -8.97,  99.90,  -9.07,   0.30,
07/12 21Z,  -0.40,  -5.32,  99.90,  -5.42,   0.30,
07/12 22Z,  -0.30,  -2.62,  99.90,  -2.62,   0.30,
07/12 23Z,  -0.20,  -1.45,  99.90,  -1.35,   0.30,  (max)
07/13 00Z,  -0.10,  -2.05,  99.90,  -1.85,   0.30,
07/13 01Z,   0.00,  -4.21,  99.90,  -3.91,   0.30,
07/13 02Z,   0.00,  -7.24,  99.90,  -6.94,   0.30,
07/13 03Z,   0.00, -10.18,  99.90,  -9.88,   0.30,
07/13 04Z,  -0.10, -12.10,  99.90, -11.90,   0.30,
07/13 05Z,  -0.10, -12.39,  99.90, -12.20,   0.30,  (min)
07/13 06Z,  -0.30, -10.97,  99.90, -10.98,   0.30,
07/13 07Z,  -0.30,  -8.23,  99.90,  -8.24,   0.30,
07/13 08Z,  -0.40,  -4.89,  99.90,  -5.00,   0.30,
07/13 09Z,  -0.40,  -1.81,  99.90,  -1.91,   0.30,
07/13 10Z,  -0.40,   0.22,  99.90,   0.11,   0.30,
07/13 11Z,  -0.40,   0.57,  99.90,   0.47,   0.30,  (max)
07/13 12Z,  -0.30,  -0.99,  99.90,  -0.99,   0.30,