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
#Eastport, ME : 07/17/2025 19:20:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 00Z,   0.30,   2.55,   3.06,  99.90,   0.21,
07/16 01Z,   0.30,   0.53,   0.86,  99.90,   0.03,  (min)
07/16 02Z,   0.30,   1.02,   1.46,  99.90,   0.14,
07/16 03Z,   0.20,   4.14,   4.47,  99.90,   0.13,
07/16 04Z,   0.20,   8.74,   8.65,  99.90,  -0.29,
07/16 05Z,   0.20,  13.40,  13.23,  99.90,  -0.37,
07/16 06Z,   0.10,  17.19,  17.21,  99.90,  -0.08,
07/16 07Z,   0.10,  19.21,  19.38,  99.90,   0.07,  (max)
07/16 08Z,   0.10,  18.74,  18.83,  99.90,  -0.01,
07/16 09Z,   0.20,  15.92,  16.23,  99.90,   0.11,
07/16 10Z,   0.20,  11.73,  12.28,  99.90,   0.35,
07/16 11Z,   0.20,   7.25,   7.93,  99.90,   0.48,
07/16 12Z,   0.20,   3.21,   3.78,  99.90,   0.37,
07/16 13Z,   0.20,   0.36,   0.70,  99.90,   0.14,
07/16 14Z,   0.30,  -0.28,   0.06,  99.90,   0.04,  (min)
07/16 15Z,   0.30,   1.88,   2.49,  99.90,   0.31,
07/16 16Z,   0.30,   6.15,   6.42,  99.90,  -0.03,
07/16 17Z,   0.30,  11.06,  11.04,  99.90,  -0.32,
07/16 18Z,   0.40,  15.47,  15.46,  99.90,  -0.41,
07/16 19Z,   0.50,  18.51,  18.65,  99.90,  -0.36,
07/16 20Z,   0.50,  19.29,  19.29,  99.90,  -0.50,  (max)
07/16 21Z,   0.50,  17.50,  17.46,  99.90,  -0.54,
07/16 22Z,   0.50,  13.88,  14.21,  99.90,  -0.17,
07/16 23Z,   0.50,   9.54,  10.09,  99.90,   0.05,
07/17 00Z,   0.50,   5.36,   6.12,  99.90,   0.26,
07/17 01Z,   0.50,   1.98,   2.60,  99.90,   0.12,
07/17 02Z,   0.50,   0.31,   0.90,  99.90,   0.09,  (min)
07/17 03Z,   0.50,   1.24,   2.05,  99.90,   0.31,
07/17 04Z,   0.40,   4.64,   5.23,  99.90,   0.19,
07/17 05Z,   0.40,   9.24,   9.48,  99.90,  -0.16,
07/17 06Z,   0.40,  13.74,  13.86,  99.90,  -0.28,
07/17 07Z,   0.30,  17.27,  17.55,  99.90,  -0.02,
07/17 08Z,   0.40,  18.94,  19.17,  99.90,  -0.17,  (max)
07/17 09Z,   0.30,  18.11,  18.14,  99.90,  -0.27,
07/17 10Z,   0.30,  15.08,  15.37,  99.90,  -0.01,
07/17 11Z,   0.40,  10.91,  11.43,  99.90,   0.12,
07/17 12Z,   0.40,   6.60,   7.37,  99.90,   0.37,
07/17 13Z,   0.50,   2.84,   3.50,  99.90,   0.16,
07/17 14Z,   0.50,   0.39,   0.86,  99.90,  -0.03,  (min)
07/17 15Z,   0.50,   0.23,   0.89,  99.90,   0.16,
07/17 16Z,   0.50,   2.79,   3.60,  99.90,   0.31,
07/17 17Z,   0.50,   7.19,   7.67,  99.90,  -0.02,
07/17 18Z,   0.60,  11.99,  12.24,  99.90,  -0.35,
07/17 19Z,   0.60,  16.19,  16.46,  99.90,  -0.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 20Z,   0.60,  18.92,  99.90,  19.22,  -0.31,
07/17 21Z,   0.60,  19.31,  99.90,  19.63,  -0.28,  (max)
07/17 22Z,   0.60,  17.20,  99.90,  17.55,  -0.25,
07/17 23Z,   0.70,  13.41,  99.90,  13.89,  -0.23,
07/18 00Z,   0.70,   9.06,  99.90,   9.56,  -0.20,
07/18 01Z,   0.70,   4.93,  99.90,   5.46,  -0.17,
07/18 02Z,   0.80,   1.69,  99.90,   2.35,  -0.14,
07/18 03Z,   0.80,   0.26,  99.90,   0.94,  -0.12,  (min)
07/18 04Z,   0.80,   1.43,  99.90,   2.13,  -0.09,
07/18 05Z,   0.80,   4.90,  99.90,   5.63,  -0.06,
07/18 06Z,   0.70,   9.38,  99.90,  10.04,  -0.04,
07/18 07Z,   0.70,  13.69,  99.90,  14.38,  -0.01,
07/18 08Z,   0.70,  17.04,  99.90,  17.73,  -0.01,
07/18 09Z,   0.60,  18.50,  99.90,  19.09,  -0.01,  (max)
07/18 10Z,   0.50,  17.50,  99.90,  17.99,  -0.01,
07/18 11Z,   0.50,  14.46,  99.90,  14.95,  -0.01,
07/18 12Z,   0.30,  10.44,  99.90,  10.73,  -0.01,
07/18 13Z,   0.30,   6.36,  99.90,   6.65,  -0.01,
07/18 14Z,   0.20,   2.85,  99.90,   3.04,  -0.01,
07/18 15Z,   0.10,   0.69,  99.90,   0.78,  -0.01,  (min)
07/18 16Z,   0.10,   0.83,  99.90,   0.92,  -0.01,
07/18 17Z,   0.10,   3.56,  99.90,   3.65,  -0.01,
07/18 18Z,   0.10,   7.89,  99.90,   7.98,  -0.01,
07/18 19Z,   0.10,  12.53,  99.90,  12.62,  -0.01,
07/18 20Z,   0.20,  16.57,  99.90,  16.76,  -0.01,
07/18 21Z,   0.30,  19.10,  99.90,  19.39,  -0.01,
07/18 22Z,   0.40,  19.26,  99.90,  19.65,  -0.01,  (max)
07/18 23Z,   0.40,  16.99,  99.90,  17.38,  -0.01,
07/19 00Z,   0.40,  13.19,  99.90,  13.58,  -0.01,
07/19 01Z,   0.40,   8.88,  99.90,   9.27,  -0.01,
07/19 02Z,   0.30,   4.81,  99.90,   5.10,  -0.01,
07/19 03Z,   0.30,   1.62,  99.90,   1.91,  -0.01,
07/19 04Z,   0.20,   0.27,  99.90,   0.46,  -0.01,  (min)
07/19 05Z,   0.10,   1.49,  99.90,   1.58,  -0.01,
07/19 06Z,   0.10,   4.87,  99.90,   4.96,  -0.01,
07/19 07Z,   0.10,   9.16,  99.90,   9.25,  -0.01,
07/19 08Z,   0.10,  13.36,  99.90,  13.45,  -0.01,
07/19 09Z,   0.20,  16.64,  99.90,  16.83,  -0.01,
07/19 10Z,   0.40,  18.05,  99.90,  18.44,  -0.01,  (max)
07/19 11Z,   0.50,  17.05,  99.90,  17.54,  -0.01,
07/19 12Z,   0.60,  14.13,  99.90,  14.72,  -0.01,
07/19 13Z,   0.70,  10.33,  99.90,  11.02,  -0.01,
07/19 14Z,   0.70,   6.46,  99.90,   7.15,  -0.01,
07/19 15Z,   0.70,   3.11,  99.90,   3.80,  -0.01,
07/19 16Z,   0.60,   1.08,  99.90,   1.67,  -0.01,  (min)
07/19 17Z,   0.60,   1.33,  99.90,   1.92,  -0.01,
07/19 18Z,   0.50,   4.04,  99.90,   4.53,  -0.01,
07/19 19Z,   0.40,   8.22,  99.90,   8.61,  -0.01,
07/19 20Z,   0.30,  12.71,  99.90,  13.00,  -0.01,
07/19 21Z,   0.30,  16.68,  99.90,  16.97,  -0.01,
07/19 22Z,   0.40,  19.15,  99.90,  19.54,  -0.01,
07/19 23Z,   0.40,  19.23,  99.90,  19.62,  -0.01,  (max)
07/20 00Z,   0.50,  16.95,  99.90,  17.44,  -0.01,
07/20 01Z,   0.50,  13.21,  99.90,  13.70,  -0.01,
07/20 02Z,   0.50,   8.97,  99.90,   9.46,  -0.01,
07/20 03Z,   0.50,   4.89,  99.90,   5.38,  -0.01,
07/20 04Z,   0.50,   1.64,  99.90,   2.13,  -0.01,
07/20 05Z,   0.50,   0.23,  99.90,   0.72,  -0.01,  (min)
07/20 06Z,   0.50,   1.37,  99.90,   1.86,  -0.01,
07/20 07Z,   0.50,   4.58,  99.90,   5.07,  -0.01,
07/20 08Z,   0.50,   8.71,  99.90,   9.20,  -0.01,
07/20 09Z,   0.40,  12.89,  99.90,  13.28,  -0.01,
07/20 10Z,   0.50,  16.26,  99.90,  16.75,  -0.01,
07/20 11Z,   0.50,  17.73,  99.90,  18.22,  -0.01,  (max)
07/20 12Z,   0.50,  16.84,  99.90,  17.33,  -0.01,
07/20 13Z,   0.50,  14.12,  99.90,  14.61,  -0.01,
07/20 14Z,   0.60,  10.52,  99.90,  11.11,  -0.01,
07/20 15Z,   0.60,   6.78,  99.90,   7.37,  -0.01,
07/20 16Z,   0.60,   3.44,  99.90,   4.03,  -0.01,
07/20 17Z,   0.60,   1.39,  99.90,   1.98,  -0.01,  (min)
07/20 18Z,   0.60,   1.60,  99.90,   2.19,  -0.01,
07/20 19Z,   0.60,   4.19,  99.90,   4.78,  -0.01,
07/20 20Z,   0.70,   8.21,  99.90,   8.90,  -0.01,
07/20 21Z,   0.60,  12.65,  99.90,  13.24,  -0.01,
07/20 22Z,   0.70,  16.67,  99.90,  17.36,  -0.01,
07/20 23Z,   0.70,  19.20,  99.90,  19.89,  -0.01,
07/21 00Z,   0.70,  19.30,  99.90,  19.99,  -0.01,  (max)
07/21 01Z,   0.70,  17.09,  99.90,  17.78,  -0.01,
07/21 02Z,   0.70,  13.44,  99.90,  14.13,  -0.01,
07/21 03Z,   0.70,   9.22,  99.90,   9.91,  -0.01,
07/21 04Z,   0.70,   5.03,  99.90,   5.72,  -0.01,
07/21 05Z,   0.70,   1.62,  99.90,   2.31,  -0.01,
07/21 06Z,   0.60,   0.07,  99.90,   0.66,  -0.01,  (min)
07/21 07Z,   0.60,   1.08,  99.90,   1.67,  -0.01,
07/21 08Z,   0.50,   4.13,  99.90,   4.62,  -0.01,
07/21 09Z,   0.40,   8.21,  99.90,   8.60,  -0.01,
07/21 10Z,   0.30,  12.50,  99.90,  12.79,  -0.01,
07/21 11Z,   0.20,  16.04,  99.90,  16.23,  -0.01,
07/21 12Z,   0.10,  17.65,  99.90,  17.74,  -0.01,