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
#Astoria, OR : 03/15/2025 20:21:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/14 00Z,   0.60,   4.60,   4.83,  99.90,  -0.37,
03/14 01Z,   0.60,   2.78,   3.04,  99.90,  -0.34,
03/14 02Z,   0.60,   1.22,   1.61,  99.90,  -0.21,
03/14 03Z,   0.60,   0.34,   0.73,  99.90,  -0.21,  (min)
03/14 04Z,   0.70,   0.46,   0.86,  99.90,  -0.30,
03/14 05Z,   0.60,   1.58,   2.22,  99.90,   0.04,
03/14 06Z,   0.60,   3.37,   4.03,  99.90,   0.06,
03/14 07Z,   0.70,   5.39,   6.01,  99.90,  -0.08,
03/14 08Z,   0.70,   7.18,   7.74,  99.90,  -0.14,
03/14 09Z,   0.70,   8.26,   8.76,  99.90,  -0.20,  (max)
03/14 10Z,   0.70,   8.33,   8.74,  99.90,  -0.29,
03/14 11Z,   0.70,   7.43,   7.73,  99.90,  -0.40,
03/14 12Z,   0.60,   5.92,   6.00,  99.90,  -0.52,
03/14 13Z,   0.70,   4.18,   4.26,  99.90,  -0.62,
03/14 14Z,   0.60,   2.58,   2.79,  99.90,  -0.39,
03/14 15Z,   0.70,   1.51,   1.83,  99.90,  -0.38,
03/14 16Z,   0.70,   1.33,   1.83,  99.90,  -0.20,  (min)
03/14 17Z,   0.70,   2.16,   2.97,  99.90,   0.11,
03/14 18Z,   0.70,   3.70,   4.63,  99.90,   0.23,
03/14 19Z,   0.70,   5.49,   6.47,  99.90,   0.28,
03/14 20Z,   0.80,   7.08,   8.05,  99.90,   0.17,
03/14 21Z,   0.80,   8.06,   8.95,  99.90,   0.09,  (max)
03/14 22Z,   0.70,   8.11,   8.90,  99.90,   0.09,
03/14 23Z,   0.80,   7.20,   7.81,  99.90,  -0.19,
03/15 00Z,   0.90,   5.64,   5.98,  99.90,  -0.56,
03/15 01Z,   0.90,   3.86,   4.12,  99.90,  -0.64,
03/15 02Z,   0.90,   2.21,   2.53,  99.90,  -0.58,
03/15 03Z,   0.90,   1.01,   1.41,  99.90,  -0.50,
03/15 04Z,   0.90,   0.63,   1.13,  99.90,  -0.40,  (min)
03/15 05Z,   0.90,   1.28,   2.07,  99.90,  -0.11,
03/15 06Z,   1.10,   2.80,   3.86,  99.90,  -0.04,
03/15 07Z,   1.10,   4.74,   5.90,  99.90,   0.06,
03/15 08Z,   1.10,   6.63,   7.81,  99.90,   0.08,
03/15 09Z,   1.20,   8.02,   9.22,  99.90,  -0.00,
03/15 10Z,   1.30,   8.54,   9.65,  99.90,  -0.19,  (max)
03/15 11Z,   1.30,   8.03,   9.03,  99.90,  -0.30,
03/15 12Z,   1.10,   6.68,   7.57,  99.90,  -0.21,
03/15 13Z,   1.10,   4.93,   5.70,  99.90,  -0.33,
03/15 14Z,   1.20,   3.17,   3.94,  99.90,  -0.43,
03/15 15Z,   1.20,   1.75,   2.54,  99.90,  -0.41,
03/15 16Z,   1.20,   1.01,   1.79,  99.90,  -0.42,  (min)
03/15 17Z,   1.20,   1.23,   2.05,  99.90,  -0.38,
03/15 18Z,   1.10,   2.40,   3.46,  99.90,  -0.04,
03/15 19Z,   1.10,   4.11,   5.31,  99.90,   0.10,
03/15 20Z,   1.10,   5.89,   7.20,  99.90,   0.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/15 21Z,   1.00,   7.29,  99.90,   8.47,   0.18,
03/15 22Z,   1.00,   7.96,  99.90,   9.10,   0.14,  (max)
03/15 23Z,   1.00,   7.67,  99.90,   8.77,   0.11,
03/16 00Z,   0.90,   6.50,  99.90,   7.47,   0.07,
03/16 01Z,   0.90,   4.86,  99.90,   5.80,   0.04,
03/16 02Z,   0.90,   3.20,  99.90,   4.10,   0.00,
03/16 03Z,   0.90,   1.84,  99.90,   2.71,  -0.03,
03/16 04Z,   0.80,   1.11,  99.90,   1.84,  -0.07,  (min)
03/16 05Z,   0.80,   1.28,  99.90,   1.98,  -0.10,
03/16 06Z,   0.80,   2.42,  99.90,   3.09,  -0.14,
03/16 07Z,   0.70,   4.21,  99.90,   4.74,  -0.17,
03/16 08Z,   0.70,   6.11,  99.90,   6.61,  -0.21,
03/16 09Z,   0.70,   7.67,  99.90,   8.17,  -0.21,
03/16 10Z,   0.70,   8.53,  99.90,   9.02,  -0.21,  (max)
03/16 11Z,   0.70,   8.42,  99.90,   8.92,  -0.21,
03/16 12Z,   0.70,   7.36,  99.90,   7.85,  -0.21,
03/16 13Z,   0.70,   5.67,  99.90,   6.16,  -0.21,
03/16 14Z,   0.70,   3.82,  99.90,   4.32,  -0.21,
03/16 15Z,   0.70,   2.20,  99.90,   2.70,  -0.21,
03/16 16Z,   0.70,   1.08,  99.90,   1.58,  -0.21,
03/16 17Z,   0.70,   0.76,  99.90,   1.25,  -0.21,  (min)
03/16 18Z,   0.70,   1.39,  99.90,   1.88,  -0.21,
03/16 19Z,   0.70,   2.82,  99.90,   3.31,  -0.21,
03/16 20Z,   0.70,   4.59,  99.90,   5.08,  -0.21,
03/16 21Z,   0.70,   6.23,  99.90,   6.72,  -0.21,
03/16 22Z,   0.70,   7.35,  99.90,   7.84,  -0.21,
03/16 23Z,   0.70,   7.67,  99.90,   8.16,  -0.21,  (max)
03/17 00Z,   0.70,   7.06,  99.90,   7.56,  -0.21,
03/17 01Z,   0.70,   5.73,  99.90,   6.23,  -0.21,
03/17 02Z,   0.70,   4.14,  99.90,   4.64,  -0.21,
03/17 03Z,   0.70,   2.72,  99.90,   3.22,  -0.21,
03/17 04Z,   0.60,   1.78,  99.90,   2.17,  -0.21,
03/17 05Z,   0.60,   1.56,  99.90,   1.96,  -0.21,  (min)
03/17 06Z,   0.60,   2.25,  99.90,   2.64,  -0.21,
03/17 07Z,   0.60,   3.75,  99.90,   4.14,  -0.21,
03/17 08Z,   0.50,   5.61,  99.90,   5.90,  -0.21,
03/17 09Z,   0.50,   7.29,  99.90,   7.58,  -0.21,
03/17 10Z,   0.50,   8.37,  99.90,   8.67,  -0.21,
03/17 11Z,   0.50,   8.62,  99.90,   8.91,  -0.21,  (max)
03/17 12Z,   0.50,   7.91,  99.90,   8.21,  -0.21,
03/17 13Z,   0.50,   6.41,  99.90,   6.70,  -0.21,
03/17 14Z,   0.40,   4.54,  99.90,   4.73,  -0.21,
03/17 15Z,   0.40,   2.77,  99.90,   2.96,  -0.21,
03/17 16Z,   0.40,   1.42,  99.90,   1.61,  -0.21,
03/17 17Z,   0.40,   0.69,  99.90,   0.88,  -0.21,  (min)
03/17 18Z,   0.40,   0.78,  99.90,   0.98,  -0.21,
03/17 19Z,   0.40,   1.75,  99.90,   1.94,  -0.21,
03/17 20Z,   0.40,   3.32,  99.90,   3.51,  -0.21,
03/17 21Z,   0.30,   5.01,  99.90,   5.10,  -0.21,
03/17 22Z,   0.30,   6.40,  99.90,   6.49,  -0.21,
03/17 23Z,   0.30,   7.20,  99.90,   7.29,  -0.21,  (max)
03/18 00Z,   0.30,   7.20,  99.90,   7.29,  -0.21,
03/18 01Z,   0.30,   6.38,  99.90,   6.47,  -0.21,
03/18 02Z,   0.30,   5.02,  99.90,   5.12,  -0.21,
03/18 03Z,   0.30,   3.61,  99.90,   3.70,  -0.21,
03/18 04Z,   0.30,   2.54,  99.90,   2.63,  -0.21,
03/18 05Z,   0.30,   2.04,  99.90,   2.14,  -0.21,  (min)
03/18 06Z,   0.20,   2.30,  99.90,   2.30,  -0.21,
03/18 07Z,   0.30,   3.39,  99.90,   3.48,  -0.21,
03/18 08Z,   0.20,   5.06,  99.90,   5.06,  -0.21,
03/18 09Z,   0.20,   6.80,  99.90,   6.80,  -0.21,
03/18 10Z,   0.20,   8.10,  99.90,   8.09,  -0.21,
03/18 11Z,   0.20,   8.64,  99.90,   8.64,  -0.21,  (max)
03/18 12Z,   0.20,   8.31,  99.90,   8.30,  -0.21,
03/18 13Z,   0.20,   7.13,  99.90,   7.12,  -0.21,
03/18 14Z,   0.20,   5.36,  99.90,   5.36,  -0.21,
03/18 15Z,   0.20,   3.49,  99.90,   3.48,  -0.21,
03/18 16Z,   0.20,   1.94,  99.90,   1.93,  -0.21,
03/18 17Z,   0.20,   0.94,  99.90,   0.93,  -0.21,
03/18 18Z,   0.20,   0.60,  99.90,   0.60,  -0.21,  (min)
03/18 19Z,   0.20,   1.04,  99.90,   1.04,  -0.21,
03/18 20Z,   0.20,   2.21,  99.90,   2.20,  -0.21,
03/18 21Z,   0.20,   3.77,  99.90,   3.76,  -0.21,
03/18 22Z,   0.20,   5.26,  99.90,   5.26,  -0.21,
03/18 23Z,   0.20,   6.36,  99.90,   6.35,  -0.21,
03/19 00Z,   0.20,   6.86,  99.90,   6.85,  -0.21,  (max)
03/19 01Z,   0.20,   6.63,  99.90,   6.62,  -0.21,
03/19 02Z,   0.20,   5.72,  99.90,   5.72,  -0.21,
03/19 03Z,   0.20,   4.48,  99.90,   4.47,  -0.21,
03/19 04Z,   0.20,   3.34,  99.90,   3.34,  -0.21,
03/19 05Z,   0.20,   2.65,  99.90,   2.65,  -0.21,
03/19 06Z,   0.20,   2.57,  99.90,   2.57,  -0.21,  (min)
03/19 07Z,   0.20,   3.20,  99.90,   3.20,  -0.21,
03/19 08Z,   0.20,   4.51,  99.90,   4.50,  -0.21,
03/19 09Z,   0.20,   6.16,  99.90,   6.16,  -0.21,
03/19 10Z,   0.20,   7.63,  99.90,   7.62,  -0.21,
03/19 11Z,   0.20,   8.47,  99.90,   8.46,  -0.21,
03/19 12Z,   0.20,   8.51,  99.90,   8.50,  -0.21,