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 : 07/13/2025 08:23:00 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 12Z,  -0.10,  -5.29,  -5.07,  99.90,   0.32,
07/11 13Z,  -0.10,  -9.48,  -9.23,  99.90,   0.35,
07/11 14Z,  -0.10, -13.47, -13.08,  99.90,   0.49,
07/11 15Z,   0.00, -16.31, -15.75,  99.90,   0.56,
07/11 16Z,   0.00, -17.37, -16.64,  99.90,   0.73,  (min)
07/11 17Z,   0.00, -16.51, -15.74,  99.90,   0.77,
07/11 18Z,  -0.20, -14.03, -13.46,  99.90,   0.77,
07/11 19Z,  -0.20, -10.57, -10.12,  99.90,   0.65,
07/11 20Z,  -0.20,  -6.92,  -6.58,  99.90,   0.54,
07/11 21Z,  -0.20,  -3.88,  -3.51,  99.90,   0.57,
07/11 22Z,  -0.20,  -2.11,  -1.83,  99.90,   0.48,
07/11 23Z,  -0.20,  -1.97,  -1.68,  99.90,   0.49,  (max)
07/12 00Z,  -0.10,  -3.45,  -3.21,  99.90,   0.34,
07/12 01Z,  -0.10,  -6.05,  -5.95,  99.90,   0.20,
07/12 02Z,  -0.10,  -8.94,  -8.93,  99.90,   0.11,
07/12 03Z,  -0.10, -11.16, -11.19,  99.90,   0.07,
07/12 04Z,  -0.10, -12.01, -11.97,  99.90,   0.14,  (min)
07/12 05Z,  -0.10, -11.18, -11.06,  99.90,   0.22,
07/12 06Z,  -0.20,  -8.90,  -8.73,  99.90,   0.37,
07/12 07Z,  -0.20,  -5.78,  -5.52,  99.90,   0.46,
07/12 08Z,  -0.20,  -2.62,  -2.30,  99.90,   0.52,
07/12 09Z,  -0.10,  -0.23,  -0.07,  99.90,   0.26,
07/12 10Z,  -0.10,   0.71,   0.89,  99.90,   0.28,  (max)
07/12 11Z,  -0.10,  -0.17,  -0.19,  99.90,   0.08,
07/12 12Z,  -0.40,  -2.86,  -2.94,  99.90,   0.32,
07/12 13Z,  -0.30,  -6.85,  -6.96,  99.90,   0.19,
07/12 14Z,  -0.20, -11.25, -11.18,  99.90,   0.27,
07/12 15Z,  -0.20, -15.03, -14.80,  99.90,   0.43,
07/12 16Z,  -0.20, -17.29, -16.95,  99.90,   0.54,
07/12 17Z,  -0.10, -17.55, -17.17,  99.90,   0.48,  (min)
07/12 18Z,  -0.30, -15.88, -15.52,  99.90,   0.66,
07/12 19Z,  -0.30, -12.77, -12.41,  99.90,   0.66,
07/12 20Z,  -0.20,  -8.97,  -8.67,  99.90,   0.50,
07/12 21Z,  -0.20,  -5.32,  -4.94,  99.90,   0.58,
07/12 22Z,  -0.10,  -2.62,  -2.20,  99.90,   0.52,
07/12 23Z,   0.00,  -1.45,  -0.98,  99.90,   0.47,  (max)
07/13 00Z,  -0.10,  -2.05,  -1.65,  99.90,   0.50,
07/13 01Z,  -0.10,  -4.21,  -3.97,  99.90,   0.34,
07/13 02Z,  -0.10,  -7.24,  -7.12,  99.90,   0.22,
07/13 03Z,   0.00, -10.18, -10.11,  99.90,   0.07,
07/13 04Z,   0.00, -12.10, -12.08,  99.90,   0.02,
07/13 05Z,  -0.10, -12.39, -12.21,  99.90,   0.28,  (min)
07/13 06Z,  -0.10, -10.97, -10.67,  99.90,   0.40,
07/13 07Z,  -0.20,  -8.23,  -7.88,  99.90,   0.55,
07/13 08Z,  -0.20,  -4.89,  -4.55,  99.90,   0.54,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/13 09Z,  -0.30,  -1.81,  99.90,  -1.59,   0.52,
07/13 10Z,  -0.30,   0.22,  99.90,   0.42,   0.50,
07/13 11Z,  -0.30,   0.57,  99.90,   0.76,   0.48,  (max)
07/13 12Z,  -0.40,  -0.99,  99.90,  -0.93,   0.46,
07/13 13Z,  -0.40,  -4.27,  99.90,  -4.23,   0.44,
07/13 14Z,  -0.40,  -8.57,  99.90,  -8.55,   0.42,
07/13 15Z,  -0.40, -12.88,  99.90, -12.89,   0.40,
07/13 16Z,  -0.40, -16.16,  99.90, -16.19,   0.38,
07/13 17Z,  -0.40, -17.64,  99.90, -17.69,   0.36,  (min)
07/13 18Z,  -0.40, -17.06,  99.90, -17.13,   0.33,
07/13 19Z,  -0.30, -14.67,  99.90, -14.65,   0.31,
07/13 20Z,  -0.30, -11.10,  99.90, -11.11,   0.29,
07/13 21Z,  -0.40,  -7.18,  99.90,  -7.29,   0.29,
07/13 22Z,  -0.40,  -3.77,  99.90,  -3.88,   0.29,
07/13 23Z,  -0.30,  -1.61,  99.90,  -1.62,   0.29,
07/14 00Z,  -0.30,  -1.16,  99.90,  -1.17,   0.29,  (max)
07/14 01Z,  -0.30,  -2.51,  99.90,  -2.51,   0.29,
07/14 02Z,  -0.40,  -5.22,  99.90,  -5.33,   0.29,
07/14 03Z,  -0.40,  -8.48,  99.90,  -8.59,   0.29,
07/14 04Z,  -0.50, -11.28,  99.90, -11.49,   0.29,
07/14 05Z,  -0.60, -12.77,  99.90, -13.08,   0.29,  (min)
07/14 06Z,  -0.60, -12.53,  99.90, -12.84,   0.29,
07/14 07Z,  -0.70, -10.63,  99.90, -11.04,   0.29,
07/14 08Z,  -0.70,  -7.61,  99.90,  -8.01,   0.29,
07/14 09Z,  -0.70,  -4.25,  99.90,  -4.65,   0.29,
07/14 10Z,  -0.70,  -1.41,  99.90,  -1.82,   0.29,
07/14 11Z,  -0.70,   0.14,  99.90,  -0.27,   0.29,  (max)
07/14 12Z,  -0.70,  -0.10,  99.90,  -0.51,   0.29,
07/14 13Z,  -0.70,  -2.23,  99.90,  -2.63,   0.29,
07/14 14Z,  -0.70,  -5.85,  99.90,  -6.26,   0.29,
07/14 15Z,  -0.70, -10.15,  99.90, -10.56,   0.29,
07/14 16Z,  -0.80, -14.06,  99.90, -14.57,   0.29,
07/14 17Z,  -0.80, -16.63,  99.90, -17.13,   0.29,
07/14 18Z,  -0.90, -17.27,  99.90, -17.88,   0.29,  (min)
07/14 19Z,  -1.00, -15.92,  99.90, -16.63,   0.29,
07/14 20Z,  -1.00, -12.99,  99.90, -13.70,   0.29,
07/14 21Z,  -1.00,  -9.21,  99.90,  -9.92,   0.29,
07/14 22Z,  -1.00,  -5.42,  99.90,  -6.13,   0.29,
07/14 23Z,  -0.90,  -2.46,  99.90,  -3.06,   0.29,
07/15 00Z,  -0.90,  -0.95,  99.90,  -1.56,   0.29,  (max)
07/15 01Z,  -0.80,  -1.24,  99.90,  -1.75,   0.29,
07/15 02Z,  -0.80,  -3.21,  99.90,  -3.72,   0.29,
07/15 03Z,  -0.80,  -6.29,  99.90,  -6.80,   0.29,
07/15 04Z,  -0.80,  -9.58,  99.90, -10.09,   0.29,
07/15 05Z,  -0.80, -12.12,  99.90, -12.62,   0.29,
07/15 06Z,  -0.90, -13.18,  99.90, -13.79,   0.29,  (min)
07/15 07Z,  -0.90, -12.51,  99.90, -13.12,   0.29,
07/15 08Z,  -1.00, -10.32,  99.90, -11.03,   0.29,
07/15 09Z,  -1.00,  -7.22,  99.90,  -7.93,   0.29,
07/15 10Z,  -1.00,  -4.02,  99.90,  -4.73,   0.29,
07/15 11Z,  -1.00,  -1.55,  99.90,  -2.25,   0.29,
07/15 12Z,  -1.00,  -0.48,  99.90,  -1.19,   0.29,  (max)
07/15 13Z,  -0.90,  -1.20,  99.90,  -1.81,   0.29,
07/15 14Z,  -0.90,  -3.65,  99.90,  -4.26,   0.29,
07/15 15Z,  -0.90,  -7.30,  99.90,  -7.91,   0.29,
07/15 16Z,  -0.90, -11.27,  99.90, -11.88,   0.29,
07/15 17Z,  -1.00, -14.55,  99.90, -15.26,   0.29,
07/15 18Z,  -1.00, -16.33,  99.90, -17.04,   0.29,  (min)
07/15 19Z,  -1.10, -16.22,  99.90, -17.02,   0.29,
07/15 20Z,  -1.10, -14.30,  99.90, -15.10,   0.29,
07/15 21Z,  -1.00, -11.09,  99.90, -11.79,   0.29,
07/15 22Z,  -1.00,  -7.34,  99.90,  -8.05,   0.29,
07/15 23Z,  -0.90,  -3.90,  99.90,  -4.51,   0.29,
07/16 00Z,  -0.80,  -1.50,  99.90,  -2.01,   0.29,
07/16 01Z,  -0.80,  -0.67,  99.90,  -1.18,   0.29,  (max)
07/16 02Z,  -0.70,  -1.59,  99.90,  -1.99,   0.29,
07/16 03Z,  -0.70,  -3.99,  99.90,  -4.39,   0.29,
07/16 04Z,  -0.80,  -7.22,  99.90,  -7.73,   0.29,
07/16 05Z,  -0.90, -10.40,  99.90, -11.00,   0.29,
07/16 06Z,  -0.90, -12.65,  99.90, -13.26,   0.29,
07/16 07Z,  -1.00, -13.40,  99.90, -14.10,   0.29,  (min)
07/16 08Z,  -1.00, -12.49,  99.90, -13.20,   0.29,
07/16 09Z,  -1.10, -10.23,  99.90, -11.04,   0.29,
07/16 10Z,  -1.00,  -7.24,  99.90,  -7.95,   0.29,
07/16 11Z,  -0.90,  -4.32,  99.90,  -4.92,   0.29,
07/16 12Z,  -0.90,  -2.22,  99.90,  -2.83,   0.29,
07/16 13Z,  -0.80,  -1.53,  99.90,  -2.04,   0.29,  (max)
07/16 14Z,  -0.80,  -2.50,  99.90,  -3.00,   0.29,
07/16 15Z,  -0.80,  -4.95,  99.90,  -5.46,   0.29,
07/16 16Z,  -0.80,  -8.31,  99.90,  -8.82,   0.29,
07/16 17Z,  -0.90, -11.72,  99.90, -12.33,   0.29,
07/16 18Z,  -0.90, -14.29,  99.90, -14.90,   0.29,
07/16 19Z,  -0.90, -15.36,  99.90, -15.97,   0.29,  (min)
07/16 20Z,  -0.90, -14.69,  99.90, -15.30,   0.29,
07/16 21Z,  -0.90, -12.47,  99.90, -13.08,   0.29,
07/16 22Z,  -0.80,  -9.24,  99.90,  -9.75,   0.29,
07/16 23Z,  -0.70,  -5.76,  99.90,  -6.16,   0.29,
07/17 00Z,  -0.60,  -2.77,  99.90,  -3.08,   0.29,