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

Main Site
Mirror Site
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
#Seattle, WA : 04/30/2024 18:20:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/29 00Z,   0.40,   1.86,   2.51,  99.90,   0.25,
04/29 01Z,   0.40,   4.48,   5.08,  99.90,   0.20,
04/29 02Z,   0.40,   7.03,   7.59,  99.90,   0.16,
04/29 03Z,   0.40,   9.12,   9.55,  99.90,   0.03,
04/29 04Z,   0.40,  10.47,  10.70,  99.90,  -0.17,
04/29 05Z,   0.40,  10.99,  11.26,  99.90,  -0.13,  (max)
04/29 06Z,   0.40,  10.85,  11.17,  99.90,  -0.08,
04/29 07Z,   0.40,  10.27,  10.67,  99.90,  -0.00,
04/29 08Z,   0.40,   9.48,   9.88,  99.90,  -0.00,
04/29 09Z,   0.40,   8.70,   9.05,  99.90,  -0.05,
04/29 10Z,   0.40,   8.19,   8.42,  99.90,  -0.17,
04/29 11Z,   0.40,   8.13,   8.31,  99.90,  -0.22,  (min)
04/29 12Z,   0.40,   8.46,   8.52,  99.90,  -0.34,
04/29 13Z,   0.40,   8.92,   8.96,  99.90,  -0.36,
04/29 14Z,   0.40,   9.25,   9.40,  99.90,  -0.25,
04/29 15Z,   0.40,   9.30,   9.57,  99.90,  -0.13,  (max)
04/29 16Z,   0.40,   8.88,   9.16,  99.90,  -0.12,
04/29 17Z,   0.40,   7.83,   8.03,  99.90,  -0.20,
04/29 18Z,   0.30,   6.15,   6.25,  99.90,  -0.20,
04/29 19Z,   0.30,   4.06,   4.08,  99.90,  -0.28,
04/29 20Z,   0.30,   1.87,   1.82,  99.90,  -0.35,
04/29 21Z,   0.30,  -0.03,  -0.01,  99.90,  -0.28,
04/29 22Z,   0.30,  -1.15,  -0.75,  99.90,   0.10,  (min)
04/29 23Z,   0.30,  -1.11,  -0.38,  99.90,   0.43,
04/30 00Z,   0.20,   0.16,   0.88,  99.90,   0.52,
04/30 01Z,   0.20,   2.29,   2.86,  99.90,   0.37,
04/30 02Z,   0.30,   4.77,   5.33,  99.90,   0.26,
04/30 03Z,   0.30,   7.15,   7.67,  99.90,   0.22,
04/30 04Z,   0.30,   9.10,   9.54,  99.90,   0.14,
04/30 05Z,   0.30,  10.36,  10.72,  99.90,   0.06,
04/30 06Z,   0.30,  10.86,  11.24,  99.90,   0.08,  (max)
04/30 07Z,   0.30,  10.75,  11.18,  99.90,   0.13,
04/30 08Z,   0.30,  10.24,  10.75,  99.90,   0.21,
04/30 09Z,   0.30,   9.50,  10.02,  99.90,   0.22,
04/30 10Z,   0.30,   8.73,   9.14,  99.90,   0.11,
04/30 11Z,   0.30,   8.19,   8.43,  99.90,  -0.06,
04/30 12Z,   0.40,   8.04,   8.12,  99.90,  -0.32,
04/30 13Z,   0.30,   8.22,   8.12,  99.90,  -0.40,  (min)
04/30 14Z,   0.30,   8.52,   8.41,  99.90,  -0.41,
04/30 15Z,   0.30,   8.75,   8.68,  99.90,  -0.37,  (max)
04/30 16Z,   0.30,   8.77,   8.67,  99.90,  -0.40,
04/30 17Z,   0.30,   8.40,   8.27,  99.90,  -0.43,
04/30 18Z,   0.30,   7.45,   7.25,  99.90,  -0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/30 19Z,   0.30,   5.93,  99.90,   5.76,  -0.46,
04/30 20Z,   0.30,   4.02,  99.90,   3.90,  -0.43,
04/30 21Z,   0.30,   2.03,  99.90,   1.94,  -0.39,
04/30 22Z,   0.30,   0.32,  99.90,   0.26,  -0.36,
04/30 23Z,   0.30,  -0.68,  99.90,  -0.71,  -0.32,  (min)
05/01 00Z,   0.30,  -0.60,  99.90,  -0.59,  -0.29,
05/01 01Z,   0.30,   0.60,  99.90,   0.65,  -0.25,
05/01 02Z,   0.30,   2.59,  99.90,   2.67,  -0.22,
05/01 03Z,   0.30,   4.91,  99.90,   5.03,  -0.18,
05/01 04Z,   0.30,   7.18,  99.90,   7.33,  -0.15,
05/01 05Z,   0.30,   9.07,  99.90,   9.26,  -0.11,
05/01 06Z,   0.30,  10.32,  99.90,  10.54,  -0.08,
05/01 07Z,   0.20,  10.84,  99.90,  10.96,  -0.08,  (max)
05/01 08Z,   0.20,  10.76,  99.90,  10.88,  -0.08,
05/01 09Z,   0.20,  10.24,  99.90,  10.37,  -0.08,
05/01 10Z,   0.20,   9.44,  99.90,   9.56,  -0.08,
05/01 11Z,   0.20,   8.53,  99.90,   8.66,  -0.08,
05/01 12Z,   0.20,   7.82,  99.90,   7.95,  -0.08,
05/01 13Z,   0.20,   7.50,  99.90,   7.62,  -0.08,  (min)
05/01 14Z,   0.20,   7.53,  99.90,   7.65,  -0.08,
05/01 15Z,   0.20,   7.76,  99.90,   7.88,  -0.08,
05/01 16Z,   0.20,   8.04,  99.90,   8.17,  -0.08,
05/01 17Z,   0.20,   8.23,  99.90,   8.35,  -0.08,  (max)
05/01 18Z,   0.20,   8.07,  99.90,   8.19,  -0.08,
05/01 19Z,   0.20,   7.35,  99.90,   7.47,  -0.08,
05/01 20Z,   0.20,   6.06,  99.90,   6.19,  -0.08,
05/01 21Z,   0.20,   4.39,  99.90,   4.51,  -0.08,
05/01 22Z,   0.20,   2.56,  99.90,   2.69,  -0.08,
05/01 23Z,   0.20,   0.93,  99.90,   1.06,  -0.08,
05/02 00Z,   0.20,  -0.06,  99.90,   0.07,  -0.08,  (min)
05/02 01Z,   0.20,  -0.04,  99.90,   0.08,  -0.08,
05/02 02Z,   0.20,   1.03,  99.90,   1.15,  -0.08,
05/02 03Z,   0.20,   2.86,  99.90,   2.99,  -0.08,
05/02 04Z,   0.30,   5.08,  99.90,   5.31,  -0.08,
05/02 05Z,   0.30,   7.32,  99.90,   7.55,  -0.08,
05/02 06Z,   0.30,   9.22,  99.90,   9.45,  -0.08,
05/02 07Z,   0.30,  10.48,  99.90,  10.70,  -0.08,
05/02 08Z,   0.30,  10.99,  99.90,  11.21,  -0.08,  (max)
05/02 09Z,   0.30,  10.84,  99.90,  11.07,  -0.08,
05/02 10Z,   0.30,  10.18,  99.90,  10.40,  -0.08,
05/02 11Z,   0.30,   9.13,  99.90,   9.35,  -0.08,
05/02 12Z,   0.30,   7.93,  99.90,   8.16,  -0.08,
05/02 13Z,   0.30,   6.95,  99.90,   7.18,  -0.08,
05/02 14Z,   0.30,   6.43,  99.90,   6.66,  -0.08,
05/02 15Z,   0.30,   6.39,  99.90,   6.62,  -0.08,  (min)
05/02 16Z,   0.30,   6.72,  99.90,   6.94,  -0.08,
05/02 17Z,   0.30,   7.26,  99.90,   7.48,  -0.08,
05/02 18Z,   0.30,   7.78,  99.90,   8.00,  -0.08,
05/02 19Z,   0.30,   7.96,  99.90,   8.18,  -0.08,  (max)
05/02 20Z,   0.30,   7.56,  99.90,   7.78,  -0.08,
05/02 21Z,   0.30,   6.55,  99.90,   6.77,  -0.08,
05/02 22Z,   0.30,   5.07,  99.90,   5.29,  -0.08,
05/02 23Z,   0.30,   3.36,  99.90,   3.58,  -0.08,
05/03 00Z,   0.30,   1.73,  99.90,   1.96,  -0.08,
05/03 01Z,   0.30,   0.68,  99.90,   0.90,  -0.08,
05/03 02Z,   0.30,   0.59,  99.90,   0.81,  -0.08,  (min)
05/03 03Z,   0.30,   1.53,  99.90,   1.75,  -0.08,
05/03 04Z,   0.30,   3.28,  99.90,   3.50,  -0.08,
05/03 05Z,   0.30,   5.48,  99.90,   5.70,  -0.08,
05/03 06Z,   0.40,   7.75,  99.90,   8.07,  -0.08,
05/03 07Z,   0.40,   9.66,  99.90,   9.98,  -0.08,
05/03 08Z,   0.40,  10.87,  99.90,  11.19,  -0.08,
05/03 09Z,   0.40,  11.25,  99.90,  11.57,  -0.08,  (max)
05/03 10Z,   0.40,  10.87,  99.90,  11.19,  -0.08,
05/03 11Z,   0.40,   9.86,  99.90,  10.18,  -0.08,
05/03 12Z,   0.40,   8.39,  99.90,   8.72,  -0.08,
05/03 13Z,   0.40,   6.80,  99.90,   7.13,  -0.08,
05/03 14Z,   0.40,   5.53,  99.90,   5.85,  -0.08,
05/03 15Z,   0.40,   4.90,  99.90,   5.22,  -0.08,  (min)
05/03 16Z,   0.40,   4.95,  99.90,   5.27,  -0.08,
05/03 17Z,   0.40,   5.56,  99.90,   5.89,  -0.08,
05/03 18Z,   0.40,   6.53,  99.90,   6.86,  -0.08,
05/03 19Z,   0.50,   7.52,  99.90,   7.94,  -0.08,
05/03 20Z,   0.50,   8.12,  99.90,   8.55,  -0.08,  (max)
05/03 21Z,   0.50,   8.06,  99.90,   8.48,  -0.08,
05/03 22Z,   0.50,   7.30,  99.90,   7.73,  -0.08,
05/03 23Z,   0.50,   5.98,  99.90,   6.41,  -0.08,
05/04 00Z,   0.60,   4.31,  99.90,   4.84,  -0.08,
05/04 01Z,   0.60,   2.65,  99.90,   3.17,  -0.08,
05/04 02Z,   0.60,   1.51,  99.90,   2.04,  -0.08,
05/04 03Z,   0.60,   1.34,  99.90,   1.86,  -0.08,  (min)
05/04 04Z,   0.60,   2.22,  99.90,   2.75,  -0.08,
05/04 05Z,   0.60,   3.96,  99.90,   4.49,  -0.08,
05/04 06Z,   0.60,   6.20,  99.90,   6.72,  -0.08,
05/04 07Z,   0.70,   8.49,  99.90,   9.11,  -0.08,
05/04 08Z,   0.70,  10.34,  99.90,  10.96,  -0.08,
05/04 09Z,   0.70,  11.37,  99.90,  11.99,  -0.08,
05/04 10Z,   0.70,  11.44,  99.90,  12.06,  -0.08,  (max)
05/04 11Z,   0.70,  10.65,  99.90,  11.27,  -0.08,
05/04 12Z,   0.70,   9.13,  99.90,   9.75,  -0.08,