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
#San Francisco, CA : 04/22/2025 16:22:05 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 00Z,   0.00,   2.94,   3.27,  99.90,   0.33,
04/21 01Z,   0.00,   3.57,   3.82,  99.90,   0.25,
04/21 02Z,   0.00,   3.98,   4.24,  99.90,   0.26,
04/21 03Z,   0.00,   4.13,   4.40,  99.90,   0.27,  (max)
04/21 04Z,   0.00,   4.03,   4.33,  99.90,   0.30,
04/21 05Z,   0.00,   3.78,   4.18,  99.90,   0.40,
04/21 06Z,   0.10,   3.51,   3.97,  99.90,   0.36,
04/21 07Z,   0.00,   3.35,   3.78,  99.90,   0.43,  (min)
04/21 08Z,   0.00,   3.36,   3.82,  99.90,   0.46,
04/21 09Z,   0.10,   3.57,   4.01,  99.90,   0.34,
04/21 10Z,   0.10,   3.92,   4.35,  99.90,   0.33,
04/21 11Z,   0.00,   4.33,   4.65,  99.90,   0.32,
04/21 12Z,   0.20,   4.66,   4.89,  99.90,   0.03,
04/21 13Z,   0.20,   4.76,   4.94,  99.90,  -0.02,  (max)
04/21 14Z,   0.20,   4.50,   4.66,  99.90,  -0.04,
04/21 15Z,   0.20,   3.85,   4.04,  99.90,  -0.01,
04/21 16Z,   0.20,   2.88,   3.05,  99.90,  -0.03,
04/21 17Z,   0.20,   1.79,   2.02,  99.90,   0.03,
04/21 18Z,   0.10,   0.83,   1.03,  99.90,   0.10,
04/21 19Z,   0.10,   0.19,   0.66,  99.90,   0.37,
04/21 20Z,   0.10,  -0.01,   0.61,  99.90,   0.52,  (min)
04/21 21Z,   0.20,   0.22,   0.74,  99.90,   0.32,
04/21 22Z,   0.10,   0.77,   1.26,  99.90,   0.39,
04/21 23Z,   0.10,   1.54,   2.00,  99.90,   0.36,
04/22 00Z,   0.00,   2.40,   2.77,  99.90,   0.37,
04/22 01Z,   0.00,   3.24,   3.59,  99.90,   0.35,
04/22 02Z,   0.00,   3.92,   4.25,  99.90,   0.33,
04/22 03Z,   0.00,   4.32,   4.72,  99.90,   0.40,
04/22 04Z,   0.00,   4.38,   4.82,  99.90,   0.44,  (max)
04/22 05Z,   0.00,   4.12,   4.58,  99.90,   0.46,
04/22 06Z,   0.00,   3.67,   4.14,  99.90,   0.47,
04/22 07Z,   0.00,   3.21,   3.68,  99.90,   0.47,
04/22 08Z,   0.00,   2.91,   3.38,  99.90,   0.47,
04/22 09Z,   0.00,   2.88,   3.35,  99.90,   0.47,  (min)
04/22 10Z,   0.00,   3.11,   3.59,  99.90,   0.48,
04/22 11Z,   0.00,   3.56,   3.99,  99.90,   0.43,
04/22 12Z,   0.00,   4.08,   4.41,  99.90,   0.33,
04/22 13Z,   0.00,   4.54,   4.79,  99.90,   0.25,
04/22 14Z,   0.00,   4.75,   5.01,  99.90,   0.26,  (max)
04/22 15Z,   0.00,   4.58,   4.81,  99.90,   0.23,
04/22 16Z,   0.00,   3.97,   4.18,  99.90,   0.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 17Z,   0.00,   3.00,  99.90,   3.21,   0.21,
04/22 18Z,   0.00,   1.88,  99.90,   2.09,   0.21,
04/22 19Z,   0.00,   0.86,  99.90,   1.07,   0.22,
04/22 20Z,   0.00,   0.20,  99.90,   0.41,   0.22,
04/22 21Z,   0.00,   0.01,  99.90,   0.23,   0.22,  (min)
04/22 22Z,   0.00,   0.30,  99.90,   0.53,   0.23,
04/22 23Z,   0.00,   0.96,  99.90,   1.19,   0.23,
04/23 00Z,   0.10,   1.86,  99.90,   2.19,   0.23,
04/23 01Z,   0.10,   2.83,  99.90,   3.17,   0.24,
04/23 02Z,   0.10,   3.74,  99.90,   4.08,   0.24,
04/23 03Z,   0.10,   4.42,  99.90,   4.76,   0.24,
04/23 04Z,   0.10,   4.73,  99.90,   5.07,   0.25,  (max)
04/23 05Z,   0.00,   4.59,  99.90,   4.83,   0.25,
04/23 06Z,   0.00,   4.06,  99.90,   4.30,   0.25,
04/23 07Z,   0.00,   3.33,  99.90,   3.57,   0.25,
04/23 08Z,   0.00,   2.65,  99.90,   2.89,   0.25,
04/23 09Z,   0.10,   2.24,  99.90,   2.59,   0.25,
04/23 10Z,   0.00,   2.21,  99.90,   2.46,   0.25,  (min)
04/23 11Z,   0.00,   2.55,  99.90,   2.79,   0.25,
04/23 12Z,   0.00,   3.14,  99.90,   3.39,   0.25,
04/23 13Z,   0.00,   3.83,  99.90,   4.07,   0.25,
04/23 14Z,   0.00,   4.44,  99.90,   4.68,   0.25,
04/23 15Z,   0.00,   4.78,  99.90,   5.03,   0.25,  (max)
04/23 16Z,   0.00,   4.70,  99.90,   4.95,   0.25,
04/23 17Z,   0.00,   4.12,  99.90,   4.37,   0.25,
04/23 18Z,   0.00,   3.13,  99.90,   3.37,   0.25,
04/23 19Z,   0.00,   1.94,  99.90,   2.19,   0.25,
04/23 20Z,   0.00,   0.88,  99.90,   1.13,   0.25,
04/23 21Z,   0.00,   0.23,  99.90,   0.48,   0.25,
04/23 22Z,   0.00,   0.13,  99.90,   0.38,   0.25,  (min)
04/23 23Z,   0.00,   0.56,  99.90,   0.80,   0.25,
04/24 00Z,   0.00,   1.37,  99.90,   1.62,   0.25,
04/24 01Z,   0.00,   2.41,  99.90,   2.65,   0.25,
04/24 02Z,   0.00,   3.48,  99.90,   3.72,   0.25,
04/24 03Z,   0.00,   4.40,  99.90,   4.65,   0.25,
04/24 04Z,   0.00,   5.00,  99.90,   5.24,   0.25,
04/24 05Z,   0.00,   5.10,  99.90,   5.34,   0.25,  (max)
04/24 06Z,   0.00,   4.65,  99.90,   4.90,   0.25,
04/24 07Z,   0.00,   3.77,  99.90,   4.02,   0.25,
04/24 08Z,   0.00,   2.73,  99.90,   2.97,   0.25,
04/24 09Z,   0.00,   1.85,  99.90,   2.10,   0.25,
04/24 10Z,   0.00,   1.40,  99.90,   1.64,   0.25,  (min)
04/24 11Z,   0.00,   1.44,  99.90,   1.69,   0.25,
04/24 12Z,   0.00,   1.94,  99.90,   2.18,   0.25,
04/24 13Z,   0.00,   2.71,  99.90,   2.96,   0.25,
04/24 14Z,   0.00,   3.59,  99.90,   3.84,   0.25,
04/24 15Z,   0.00,   4.36,  99.90,   4.61,   0.25,
04/24 16Z,   0.00,   4.84,  99.90,   5.08,   0.25,  (max)
04/24 17Z,   0.00,   4.82,  99.90,   5.07,   0.25,
04/24 18Z,   0.00,   4.25,  99.90,   4.50,   0.25,
04/24 19Z,   0.00,   3.21,  99.90,   3.46,   0.25,
04/24 20Z,   0.00,   1.99,  99.90,   2.24,   0.25,
04/24 21Z,   0.00,   0.94,  99.90,   1.19,   0.25,
04/24 22Z,   0.00,   0.38,  99.90,   0.62,   0.25,  (min)
04/24 23Z,   0.00,   0.42,  99.90,   0.67,   0.25,
04/25 00Z,   0.00,   1.02,  99.90,   1.27,   0.25,
04/25 01Z,   0.00,   2.00,  99.90,   2.25,   0.25,
04/25 02Z,   0.10,   3.15,  99.90,   3.50,   0.25,
04/25 03Z,   0.00,   4.26,  99.90,   4.51,   0.25,
04/25 04Z,   0.00,   5.13,  99.90,   5.38,   0.25,
04/25 05Z,   0.00,   5.54,  99.90,   5.79,   0.25,  (max)
04/25 06Z,   0.00,   5.34,  99.90,   5.58,   0.25,
04/25 07Z,   0.00,   4.51,  99.90,   4.75,   0.25,
04/25 08Z,   0.00,   3.25,  99.90,   3.49,   0.25,
04/25 09Z,   0.10,   1.92,  99.90,   2.27,   0.25,
04/25 10Z,   0.00,   0.92,  99.90,   1.16,   0.25,
04/25 11Z,   0.00,   0.48,  99.90,   0.73,   0.25,  (min)
04/25 12Z,   0.00,   0.67,  99.90,   0.91,   0.25,
04/25 13Z,   0.10,   1.35,  99.90,   1.69,   0.25,
04/25 14Z,   0.00,   2.32,  99.90,   2.57,   0.25,
04/25 15Z,   0.00,   3.38,  99.90,   3.63,   0.25,
04/25 16Z,   0.00,   4.31,  99.90,   4.55,   0.25,
04/25 17Z,   0.00,   4.88,  99.90,   5.13,   0.25,
04/25 18Z,   0.00,   4.91,  99.90,   5.16,   0.25,  (max)
04/25 19Z,   0.00,   4.33,  99.90,   4.58,   0.25,
04/25 20Z,   0.00,   3.27,  99.90,   3.51,   0.25,
04/25 21Z,   0.00,   2.05,  99.90,   2.29,   0.25,
04/25 22Z,   0.00,   1.08,  99.90,   1.32,   0.25,
04/25 23Z,   0.00,   0.66,  99.90,   0.90,   0.25,  (min)
04/26 00Z,   0.00,   0.89,  99.90,   1.14,   0.25,
04/26 01Z,   0.10,   1.67,  99.90,   2.02,   0.25,
04/26 02Z,   0.10,   2.79,  99.90,   3.13,   0.25,
04/26 03Z,   0.00,   4.00,  99.90,   4.25,   0.25,
04/26 04Z,   0.00,   5.08,  99.90,   5.33,   0.25,
04/26 05Z,   0.00,   5.81,  99.90,   6.05,   0.25,
04/26 06Z,   0.00,   5.95,  99.90,   6.20,   0.25,
04/26 07Z,  99.90,   5.38,  99.90,  99.90,   0.25,
04/26 08Z,  99.90,   4.14,  99.90,  99.90,   0.25,
04/26 09Z,  99.90,   2.54,  99.90,  99.90,   0.25,
04/26 10Z,  99.90,   1.01,  99.90,  99.90,   0.25,
04/26 11Z,  99.90,  -0.03,  99.90,  99.90,   0.25,
04/26 12Z,  99.90,  -0.37,  99.90,  99.90,   0.25,