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 : 03/19/2025 03:22:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/17 12Z,   0.10,  15.09,  15.06,  99.90,  -0.13,  (max)
03/17 13Z,   0.20,  12.41,  12.29,  99.90,  -0.32,
03/17 14Z,   0.30,   8.63,   8.43,  99.90,  -0.50,
03/17 15Z,   0.30,   4.70,   4.52,  99.90,  -0.48,
03/17 16Z,   0.30,   1.63,   1.53,  99.90,  -0.40,
03/17 17Z,   0.20,   0.16,   0.17,  99.90,  -0.19,  (min)
03/17 18Z,   0.10,   0.60,   0.67,  99.90,  -0.03,
03/17 19Z,   0.10,   2.73,   2.82,  99.90,  -0.01,
03/17 20Z,   0.10,   5.94,   5.95,  99.90,  -0.09,
03/17 21Z,   0.20,   9.41,   9.32,  99.90,  -0.29,
03/17 22Z,   0.10,  12.32,  12.13,  99.90,  -0.29,
03/17 23Z,   0.10,  13.97,  13.79,  99.90,  -0.28,
03/18 00Z,   0.00,  13.95,  13.84,  99.90,  -0.11,  (max)
03/18 01Z,   0.10,  12.27,  12.21,  99.90,  -0.16,
03/18 02Z,   0.10,   9.39,   9.34,  99.90,  -0.15,
03/18 03Z,   0.10,   6.12,   6.04,  99.90,  -0.18,
03/18 04Z,   0.10,   3.42,   3.27,  99.90,  -0.25,
03/18 05Z,   0.00,   2.08,   1.94,  99.90,  -0.14,  (min)
03/18 06Z,   0.00,   2.48,   2.30,  99.90,  -0.18,
03/18 07Z,  -0.10,   4.51,   4.43,  99.90,   0.02,
03/18 08Z,   0.00,   7.63,   7.55,  99.90,  -0.08,
03/18 09Z,   0.00,  11.05,  10.91,  99.90,  -0.14,
03/18 10Z,   0.00,  13.90,  13.71,  99.90,  -0.19,
03/18 11Z,   0.00,  15.50,  15.30,  99.90,  -0.20,  (max)
03/18 12Z,  -0.10,  15.39,  15.25,  99.90,  -0.04,
03/18 13Z,   0.00,  13.55,  13.42,  99.90,  -0.13,
03/18 14Z,   0.00,  10.39,  10.22,  99.90,  -0.17,
03/18 15Z,   0.00,   6.66,   6.49,  99.90,  -0.17,
03/18 16Z,   0.00,   3.30,   3.11,  99.90,  -0.19,
03/18 17Z,   0.00,   1.12,   0.97,  99.90,  -0.15,
03/18 18Z,  -0.10,   0.59,   0.61,  99.90,   0.12,  (min)
03/18 19Z,  -0.10,   1.75,   1.84,  99.90,   0.19,
03/18 20Z,  -0.10,   4.20,   4.27,  99.90,   0.17,
03/18 21Z,   0.00,   7.28,   7.38,  99.90,   0.10,
03/18 22Z,   0.00,  10.24,  10.22,  99.90,  -0.02,
03/18 23Z,   0.10,  12.39,  12.32,  99.90,  -0.17,
03/19 00Z,   0.20,  13.21,  13.10,  99.90,  -0.31,  (max)
03/19 01Z,   0.30,  12.54,  12.53,  99.90,  -0.31,
03/19 02Z,   0.30,  10.58,  10.68,  99.90,  -0.20,
03/19 03Z,   0.30,   7.90,   8.02,  99.90,  -0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/19 04Z,   0.30,   5.30,  99.90,   5.44,  -0.16,
03/19 05Z,   0.30,   3.56,  99.90,   3.72,  -0.14,
03/19 06Z,   0.30,   3.22,  99.90,   3.40,  -0.12,  (min)
03/19 07Z,   0.30,   4.38,  99.90,   4.58,  -0.10,
03/19 08Z,   0.30,   6.74,  99.90,   6.96,  -0.08,
03/19 09Z,   0.40,   9.70,  99.90,  10.04,  -0.07,
03/19 10Z,   0.40,  12.52,  99.90,  12.87,  -0.05,
03/19 11Z,   0.50,  14.49,  99.90,  14.96,  -0.03,
03/19 12Z,   0.70,  15.10,  99.90,  15.79,  -0.01,  (max)
03/19 13Z,   0.80,  14.15,  99.90,  14.96,   0.01,
03/19 14Z,   0.90,  11.81,  99.90,  12.74,   0.03,
03/19 15Z,   1.00,   8.61,  99.90,   9.66,   0.05,
03/19 16Z,   1.00,   5.31,  99.90,   6.36,   0.05,
03/19 17Z,   0.90,   2.71,  99.90,   3.66,   0.05,
03/19 18Z,   0.80,   1.38,  99.90,   2.23,   0.05,  (min)
03/19 19Z,   0.70,   1.55,  99.90,   2.30,   0.05,
03/19 20Z,   0.50,   3.07,  99.90,   3.61,   0.05,
03/19 21Z,   0.40,   5.46,  99.90,   5.91,   0.05,
03/19 22Z,   0.40,   8.11,  99.90,   8.56,   0.05,
03/19 23Z,   0.40,  10.41,  99.90,  10.86,   0.05,
03/20 00Z,   0.60,  11.82,  99.90,  12.46,   0.05,
03/20 01Z,   0.70,  12.03,  99.90,  12.78,   0.05,  (max)
03/20 02Z,   0.80,  11.06,  99.90,  11.90,   0.05,
03/20 03Z,   0.90,   9.20,  99.90,  10.15,   0.05,
03/20 04Z,   0.90,   7.03,  99.90,   7.98,   0.05,
03/20 05Z,   0.80,   5.24,  99.90,   6.09,   0.05,
03/20 06Z,   0.70,   4.38,  99.90,   5.13,   0.05,  (min)
03/20 07Z,   0.60,   4.74,  99.90,   5.39,   0.05,
03/20 08Z,   0.50,   6.26,  99.90,   6.80,   0.05,
03/20 09Z,   0.50,   8.55,  99.90,   9.10,   0.05,
03/20 10Z,   0.60,  11.04,  99.90,  11.69,   0.05,
03/20 11Z,   0.60,  13.12,  99.90,  13.77,   0.05,
03/20 12Z,   0.70,  14.26,  99.90,  15.01,   0.05,  (max)
03/20 13Z,   0.60,  14.14,  99.90,  14.79,   0.05,
03/20 14Z,   0.60,  12.73,  99.90,  13.38,   0.05,
03/20 15Z,   0.50,  10.32,  99.90,  10.87,   0.05,
03/20 16Z,   0.50,   7.44,  99.90,   7.99,   0.05,
03/20 17Z,   0.50,   4.76,  99.90,   5.31,   0.05,
03/20 18Z,   0.50,   2.87,  99.90,   3.42,   0.05,
03/20 19Z,   0.50,   2.15,  99.90,   2.69,   0.05,  (min)
03/20 20Z,   0.40,   2.64,  99.90,   3.09,   0.05,
03/20 21Z,   0.40,   4.13,  99.90,   4.57,   0.05,
03/20 22Z,   0.50,   6.17,  99.90,   6.72,   0.05,
03/20 23Z,   0.60,   8.26,  99.90,   8.91,   0.05,
03/21 00Z,   0.60,   9.94,  99.90,  10.59,   0.05,
03/21 01Z,   0.80,  10.83,  99.90,  11.68,   0.05,
03/21 02Z,   0.90,  10.78,  99.90,  11.73,   0.05,  (max)
03/21 03Z,   1.00,   9.87,  99.90,  10.92,   0.05,
03/21 04Z,   1.10,   8.42,  99.90,   9.56,   0.05,
03/21 05Z,   0.90,   6.90,  99.90,   7.84,   0.05,
03/21 06Z,   0.70,   5.81,  99.90,   6.56,   0.05,
03/21 07Z,   0.60,   5.54,  99.90,   6.19,   0.05,  (min)
03/21 08Z,   0.50,   6.21,  99.90,   6.76,   0.05,
03/21 09Z,   0.50,   7.69,  99.90,   8.24,   0.05,
03/21 10Z,   0.40,   9.61,  99.90,  10.06,   0.05,
03/21 11Z,   0.40,  11.52,  99.90,  11.97,   0.05,
03/21 12Z,   0.50,  12.95,  99.90,  13.50,   0.05,
03/21 13Z,   0.60,  13.52,  99.90,  14.17,   0.05,  (max)
03/21 14Z,   0.70,  13.05,  99.90,  13.80,   0.05,
03/21 15Z,   0.70,  11.60,  99.90,  12.35,   0.05,
03/21 16Z,   0.60,   9.45,  99.90,  10.09,   0.05,
03/21 17Z,   0.60,   7.05,  99.90,   7.70,   0.05,
03/21 18Z,   0.50,   4.92,  99.90,   5.47,   0.05,
03/21 19Z,   0.40,   3.49,  99.90,   3.94,   0.05,
03/21 20Z,   0.30,   2.99,  99.90,   3.34,   0.05,  (min)
03/21 21Z,   0.20,   3.43,  99.90,   3.68,   0.05,
03/21 22Z,   0.20,   4.60,  99.90,   4.85,   0.05,
03/21 23Z,   0.30,   6.18,  99.90,   6.53,   0.05,
03/22 00Z,   0.40,   7.78,  99.90,   8.23,   0.05,
03/22 01Z,   0.40,   9.07,  99.90,   9.52,   0.05,
03/22 02Z,   0.50,   9.80,  99.90,  10.35,   0.05,
03/22 03Z,   0.50,   9.85,  99.90,  10.40,   0.05,  (max)
03/22 04Z,   0.40,   9.29,  99.90,   9.74,   0.05,
03/22 05Z,   0.30,   8.36,  99.90,   8.71,   0.05,
03/22 06Z,   0.20,   7.39,  99.90,   7.63,   0.05,
03/22 07Z,   0.10,   6.73,  99.90,   6.88,   0.05,
03/22 08Z,   0.10,   6.64,  99.90,   6.79,   0.05,  (min)
03/22 09Z,   0.10,   7.23,  99.90,   7.37,   0.05,
03/22 10Z,   0.10,   8.37,  99.90,   8.52,   0.05,
03/22 11Z,   0.20,   9.82,  99.90,  10.07,   0.05,
03/22 12Z,   0.30,  11.24,  99.90,  11.59,   0.05,
03/22 13Z,   0.30,  12.28,  99.90,  12.63,   0.05,
03/22 14Z,   0.30,  12.66,  99.90,  13.01,   0.05,  (max)
03/22 15Z,   0.30,  12.25,  99.90,  12.60,   0.05,
03/22 16Z,   0.20,  11.07,  99.90,  11.32,   0.05,
03/22 17Z,   0.10,   9.33,  99.90,   9.48,   0.05,
03/22 18Z,   0.00,   7.34,  99.90,   7.39,   0.05,
03/22 19Z,  99.90,   5.51,  99.90,  99.90,   0.05,
03/22 20Z,  99.90,   4.16,  99.90,  99.90,   0.05,
03/22 21Z,  99.90,   3.51,  99.90,  99.90,   0.05,
03/22 22Z,  99.90,   3.61,  99.90,  99.90,   0.05,
03/22 23Z,  99.90,   4.36,  99.90,  99.90,   0.05,
03/23 00Z,  99.90,   5.56,  99.90,  99.90,   0.05,