EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Northwest
Alaska
Gulf of Alaska
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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
#Port Townsend, WA : 07/16/2025 16:21:43 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 00Z,   0.00,   3.77,   4.03,  99.90,   0.26,
07/15 01Z,   0.00,   5.67,   5.84,  99.90,   0.17,
07/15 02Z,   0.00,   7.39,   7.50,  99.90,   0.11,
07/15 03Z,   0.00,   8.52,   8.40,  99.90,  -0.12,
07/15 04Z,   0.00,   8.82,   8.61,  99.90,  -0.21,  (max)
07/15 05Z,   0.00,   8.33,   8.32,  99.90,  -0.01,
07/15 06Z,   0.10,   7.31,   7.15,  99.90,  -0.26,
07/15 07Z,   0.00,   6.14,   6.03,  99.90,  -0.11,
07/15 08Z,   0.00,   5.19,   5.01,  99.90,  -0.18,
07/15 09Z,   0.10,   4.74,   4.66,  99.90,  -0.18,  (min)
07/15 10Z,   0.10,   4.77,   4.76,  99.90,  -0.11,
07/15 11Z,   0.10,   5.05,   5.15,  99.90,  -0.00,
07/15 12Z,   0.00,   5.41,   5.66,  99.90,   0.25,
07/15 13Z,   0.00,   5.78,   6.12,  99.90,   0.34,
07/15 14Z,   0.00,   6.04,   6.48,  99.90,   0.44,  (max)
07/15 15Z,   0.00,   5.93,   6.26,  99.90,   0.33,
07/15 16Z,   0.00,   5.22,   5.47,  99.90,   0.25,
07/15 17Z,   0.00,   3.95,   4.19,  99.90,   0.24,
07/15 18Z,   0.10,   2.42,   2.52,  99.90,   0.00,
07/15 19Z,   0.00,   0.99,   1.07,  99.90,   0.08,
07/15 20Z,   0.00,   0.05,   0.11,  99.90,   0.06,  (min)
07/15 21Z,   0.10,  -0.11,   0.15,  99.90,   0.16,
07/15 22Z,   0.10,   0.55,   0.92,  99.90,   0.27,
07/15 23Z,   0.00,   1.81,   2.15,  99.90,   0.34,
07/16 00Z,   0.20,   3.38,   3.69,  99.90,   0.11,
07/16 01Z,   0.20,   5.09,   5.40,  99.90,   0.11,
07/16 02Z,   0.20,   6.78,   7.13,  99.90,   0.15,
07/16 03Z,   0.20,   8.15,   8.46,  99.90,   0.11,
07/16 04Z,   0.20,   8.83,   8.99,  99.90,  -0.04,  (max)
07/16 05Z,   0.30,   8.64,   8.86,  99.90,  -0.08,
07/16 06Z,   0.30,   7.72,   8.02,  99.90,  -0.00,
07/16 07Z,   0.30,   6.39,   6.59,  99.90,  -0.10,
07/16 08Z,   0.20,   5.02,   5.14,  99.90,  -0.08,
07/16 09Z,   0.30,   4.00,   4.22,  99.90,  -0.08,
07/16 10Z,   0.40,   3.55,   3.88,  99.90,  -0.07,  (min)
07/16 11Z,   0.30,   3.62,   3.98,  99.90,   0.06,
07/16 12Z,   0.30,   3.97,   4.45,  99.90,   0.18,
07/16 13Z,   0.30,   4.45,   4.93,  99.90,   0.18,
07/16 14Z,   0.30,   4.97,   5.52,  99.90,   0.25,
07/16 15Z,   0.30,   5.39,   6.00,  99.90,   0.31,
07/16 16Z,   0.30,   5.45,   6.00,  99.90,   0.25,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 17Z,   0.30,   4.96,  99.90,   5.50,   0.24,
07/16 18Z,   0.30,   4.02,  99.90,   4.54,   0.23,
07/16 19Z,   0.30,   2.89,  99.90,   3.40,   0.21,
07/16 20Z,   0.30,   1.88,  99.90,   2.38,   0.20,
07/16 21Z,   0.40,   1.31,  99.90,   1.89,   0.19,  (min)
07/16 22Z,   0.40,   1.40,  99.90,   1.97,   0.17,
07/16 23Z,   0.40,   2.18,  99.90,   2.74,   0.16,
07/17 00Z,   0.30,   3.41,  99.90,   3.86,   0.15,
07/17 01Z,   0.40,   4.85,  99.90,   5.39,   0.13,
07/17 02Z,   0.40,   6.34,  99.90,   6.87,   0.12,
07/17 03Z,   0.50,   7.72,  99.90,   8.33,   0.11,
07/17 04Z,   0.50,   8.66,  99.90,   9.26,   0.10,
07/17 05Z,   0.50,   8.85,  99.90,   9.44,   0.10,  (max)
07/17 06Z,   0.50,   8.20,  99.90,   8.79,   0.10,
07/17 07Z,   0.50,   6.91,  99.90,   7.50,   0.10,
07/17 08Z,   0.50,   5.30,  99.90,   5.90,   0.10,
07/17 09Z,   0.40,   3.76,  99.90,   4.26,   0.10,
07/17 10Z,   0.40,   2.67,  99.90,   3.16,   0.10,
07/17 11Z,   0.40,   2.22,  99.90,   2.71,   0.10,  (min)
07/17 12Z,   0.50,   2.35,  99.90,   2.94,   0.10,
07/17 13Z,   0.50,   2.81,  99.90,   3.40,   0.10,
07/17 14Z,   0.40,   3.44,  99.90,   3.94,   0.10,
07/17 15Z,   0.40,   4.16,  99.90,   4.66,   0.10,
07/17 16Z,   0.40,   4.81,  99.90,   5.30,   0.10,
07/17 17Z,   0.40,   5.12,  99.90,   5.62,   0.10,  (max)
07/17 18Z,   0.40,   4.98,  99.90,   5.47,   0.10,
07/17 19Z,   0.40,   4.46,  99.90,   4.96,   0.10,
07/17 20Z,   0.40,   3.78,  99.90,   4.28,   0.10,
07/17 21Z,   0.40,   3.17,  99.90,   3.66,   0.10,
07/17 22Z,   0.40,   2.87,  99.90,   3.36,   0.10,  (min)
07/17 23Z,   0.40,   3.10,  99.90,   3.59,   0.10,
07/18 00Z,   0.40,   3.87,  99.90,   4.36,   0.10,
07/18 01Z,   0.40,   4.97,  99.90,   5.47,   0.10,
07/18 02Z,   0.50,   6.19,  99.90,   6.78,   0.10,
07/18 03Z,   0.50,   7.38,  99.90,   7.98,   0.10,
07/18 04Z,   0.50,   8.38,  99.90,   8.97,   0.10,
07/18 05Z,   0.50,   8.87,  99.90,   9.47,   0.10,  (max)
07/18 06Z,   0.50,   8.61,  99.90,   9.20,   0.10,
07/18 07Z,   0.50,   7.57,  99.90,   8.16,   0.10,
07/18 08Z,   0.50,   5.98,  99.90,   6.57,   0.10,
07/18 09Z,   0.40,   4.15,  99.90,   4.64,   0.10,
07/18 10Z,   0.40,   2.47,  99.90,   2.96,   0.10,
07/18 11Z,   0.50,   1.31,  99.90,   1.90,   0.10,
07/18 12Z,   0.40,   0.87,  99.90,   1.37,   0.10,  (min)
07/18 13Z,   0.40,   1.08,  99.90,   1.57,   0.10,
07/18 14Z,   0.40,   1.68,  99.90,   2.17,   0.10,
07/18 15Z,   0.40,   2.50,  99.90,   3.00,   0.10,
07/18 16Z,   0.40,   3.46,  99.90,   3.96,   0.10,
07/18 17Z,   0.40,   4.38,  99.90,   4.88,   0.10,
07/18 18Z,   0.40,   5.03,  99.90,   5.53,   0.10,
07/18 19Z,   0.40,   5.30,  99.90,   5.80,   0.10,  (max)
07/18 20Z,   0.40,   5.24,  99.90,   5.74,   0.10,
07/18 21Z,   0.40,   4.97,  99.90,   5.46,   0.10,
07/18 22Z,   0.40,   4.64,  99.90,   5.13,   0.10,
07/18 23Z,   0.40,   4.48,  99.90,   4.97,   0.10,  (min)
07/19 00Z,   0.40,   4.72,  99.90,   5.21,   0.10,
07/19 01Z,   0.50,   5.38,  99.90,   5.98,   0.10,
07/19 02Z,   0.50,   6.28,  99.90,   6.88,   0.10,
07/19 03Z,   0.50,   7.23,  99.90,   7.83,   0.10,
07/19 04Z,   0.40,   8.10,  99.90,   8.60,   0.10,
07/19 05Z,   0.50,   8.72,  99.90,   9.32,   0.10,
07/19 06Z,   0.50,   8.82,  99.90,   9.42,   0.10,  (max)
07/19 07Z,   0.50,   8.20,  99.90,   8.79,   0.10,
07/19 08Z,   0.40,   6.87,  99.90,   7.37,   0.10,
07/19 09Z,   0.30,   5.06,  99.90,   5.45,   0.10,
07/19 10Z,   0.40,   3.05,  99.90,   3.55,   0.10,
07/19 11Z,   0.40,   1.24,  99.90,   1.74,   0.10,
07/19 12Z,   0.40,   0.04,  99.90,   0.53,   0.10,
07/19 13Z,   0.30,  -0.36,  99.90,   0.04,   0.10,  (min)
07/19 14Z,   0.30,  -0.05,  99.90,   0.34,   0.10,
07/19 15Z,   0.30,   0.70,  99.90,   1.10,   0.10,
07/19 16Z,   0.30,   1.74,  99.90,   2.13,   0.10,
07/19 17Z,   0.30,   2.95,  99.90,   3.35,   0.10,
07/19 18Z,   0.30,   4.18,  99.90,   4.57,   0.10,
07/19 19Z,   0.30,   5.20,  99.90,   5.59,   0.10,
07/19 20Z,   0.30,   5.88,  99.90,   6.28,   0.10,
07/19 21Z,   0.30,   6.22,  99.90,   6.62,   0.10,
07/19 22Z,   0.30,   6.24,  99.90,   6.63,   0.10,  (max)
07/19 23Z,   0.20,   6.04,  99.90,   6.33,   0.10,
07/20 00Z,   0.30,   5.89,  99.90,   6.28,   0.10,  (min)
07/20 01Z,   0.30,   6.04,  99.90,   6.43,   0.10,
07/20 02Z,   0.30,   6.54,  99.90,   6.93,   0.10,
07/20 03Z,   0.30,   7.21,  99.90,   7.61,   0.10,
07/20 04Z,   0.30,   7.90,  99.90,   8.30,   0.10,
07/20 05Z,   0.30,   8.49,  99.90,   8.88,   0.10,
07/20 06Z,   0.30,   8.81,  99.90,   9.20,   0.10,
07/20 07Z,  99.90,   8.62,  99.90,  99.90,   0.10,
07/20 08Z,  99.90,   7.75,  99.90,  99.90,   0.10,
07/20 09Z,  99.90,   6.24,  99.90,  99.90,   0.10,
07/20 10Z,  99.90,   4.26,  99.90,  99.90,   0.10,
07/20 11Z,  99.90,   2.10,  99.90,  99.90,   0.10,
07/20 12Z,  99.90,   0.18,  99.90,  99.90,   0.10,