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
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
#Boston, MA : 07/17/2025 13:20:46 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 18Z,   0.30,   8.62,   8.75,  99.90,  -0.17,
07/15 19Z,   0.30,   9.83,  10.01,  99.90,  -0.12,
07/15 20Z,   0.30,   9.78,  10.01,  99.90,  -0.07,  (max)
07/15 21Z,   0.30,   8.56,   8.76,  99.90,  -0.10,
07/15 22Z,   0.30,   6.55,   6.88,  99.90,   0.03,
07/15 23Z,   0.30,   4.27,   4.66,  99.90,   0.09,
07/16 00Z,   0.30,   2.14,   2.54,  99.90,   0.10,
07/16 01Z,   0.20,   0.70,   1.00,  99.90,   0.10,
07/16 02Z,   0.20,   0.60,   0.97,  99.90,   0.17,  (min)
07/16 03Z,   0.20,   1.99,   2.40,  99.90,   0.21,
07/16 04Z,   0.20,   4.16,   4.24,  99.90,  -0.12,
07/16 05Z,   0.20,   6.44,   6.56,  99.90,  -0.08,
07/16 06Z,   0.20,   8.52,   8.73,  99.90,   0.01,
07/16 07Z,   0.20,   9.96,  10.21,  99.90,   0.05,
07/16 08Z,   0.20,  10.24,  10.44,  99.90,   0.00,  (max)
07/16 09Z,   0.20,   9.23,   9.40,  99.90,  -0.03,
07/16 10Z,   0.20,   7.27,   7.59,  99.90,   0.12,
07/16 11Z,   0.20,   4.87,   5.43,  99.90,   0.36,
07/16 12Z,   0.20,   2.50,   2.96,  99.90,   0.26,
07/16 13Z,   0.20,   0.61,   1.10,  99.90,   0.29,
07/16 14Z,   0.20,  -0.15,   0.34,  99.90,   0.29,  (min)
07/16 15Z,   0.20,   0.66,   1.26,  99.90,   0.40,
07/16 16Z,   0.30,   2.65,   2.96,  99.90,   0.01,
07/16 17Z,   0.30,   5.01,   5.17,  99.90,  -0.14,
07/16 18Z,   0.40,   7.31,   7.46,  99.90,  -0.25,
07/16 19Z,   0.40,   9.22,   9.44,  99.90,  -0.18,
07/16 20Z,   0.50,  10.19,  10.34,  99.90,  -0.35,  (max)
07/16 21Z,   0.50,   9.85,  10.10,  99.90,  -0.25,
07/16 22Z,   0.50,   8.39,   8.57,  99.90,  -0.32,
07/16 23Z,   0.50,   6.23,   6.70,  99.90,  -0.03,
07/17 00Z,   0.40,   3.90,   4.42,  99.90,   0.12,
07/17 01Z,   0.40,   1.81,   2.31,  99.90,   0.10,
07/17 02Z,   0.40,   0.50,   1.03,  99.90,   0.13,  (min)
07/17 03Z,   0.40,   0.58,   1.31,  99.90,   0.33,
07/17 04Z,   0.40,   2.08,   2.71,  99.90,   0.23,
07/17 05Z,   0.40,   4.24,   4.61,  99.90,  -0.03,
07/17 06Z,   0.30,   6.46,   6.71,  99.90,  -0.05,
07/17 07Z,   0.30,   8.46,   8.88,  99.90,   0.12,
07/17 08Z,   0.30,   9.77,  10.18,  99.90,   0.11,
07/17 09Z,   0.30,   9.88,  10.28,  99.90,   0.10,  (max)
07/17 10Z,   0.30,   8.76,   9.01,  99.90,  -0.05,
07/17 11Z,   0.30,   6.79,   7.25,  99.90,   0.16,
07/17 12Z,   0.30,   4.47,   5.04,  99.90,   0.27,
07/17 13Z,   0.30,   2.25,   2.71,  99.90,   0.16,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 14Z,   0.40,   0.58,  99.90,   1.13,   0.15,
07/17 15Z,   0.40,   0.10,  99.90,   0.64,   0.14,  (min)
07/17 16Z,   0.40,   1.15,  99.90,   1.69,   0.14,
07/17 17Z,   0.30,   3.25,  99.90,   3.67,   0.13,
07/17 18Z,   0.30,   5.61,  99.90,   6.03,   0.12,
07/17 19Z,   0.40,   7.88,  99.90,   8.38,   0.11,
07/17 20Z,   0.40,   9.68,  99.90,  10.17,   0.10,
07/17 21Z,   0.40,  10.43,  99.90,  10.92,   0.09,  (max)
07/17 22Z,   0.40,   9.88,  99.90,  10.36,   0.08,
07/17 23Z,   0.40,   8.26,  99.90,   8.73,   0.07,
07/18 00Z,   0.40,   6.04,  99.90,   6.50,   0.06,
07/18 01Z,   0.40,   3.69,  99.90,   4.14,   0.05,
07/18 02Z,   0.30,   1.61,  99.90,   1.96,   0.05,
07/18 03Z,   0.30,   0.37,  99.90,   0.72,   0.05,  (min)
07/18 04Z,   0.30,   0.55,  99.90,   0.90,   0.05,
07/18 05Z,   0.30,   2.05,  99.90,   2.40,   0.05,
07/18 06Z,   0.20,   4.13,  99.90,   4.38,   0.05,
07/18 07Z,   0.20,   6.29,  99.90,   6.54,   0.05,
07/18 08Z,   0.20,   8.24,  99.90,   8.49,   0.05,
07/18 09Z,   0.20,   9.47,  99.90,   9.72,   0.05,
07/18 10Z,   0.20,   9.51,  99.90,   9.76,   0.05,  (max)
07/18 11Z,   0.20,   8.38,  99.90,   8.63,   0.05,
07/18 12Z,   0.20,   6.47,  99.90,   6.72,   0.05,
07/18 13Z,   0.20,   4.28,  99.90,   4.53,   0.05,
07/18 14Z,   0.20,   2.21,  99.90,   2.46,   0.05,
07/18 15Z,   0.20,   0.70,  99.90,   0.95,   0.05,
07/18 16Z,   0.10,   0.41,  99.90,   0.56,   0.05,  (min)
07/18 17Z,   0.10,   1.60,  99.90,   1.75,   0.05,
07/18 18Z,   0.10,   3.71,  99.90,   3.86,   0.05,
07/18 19Z,   0.10,   6.03,  99.90,   6.19,   0.05,
07/18 20Z,   0.10,   8.27,  99.90,   8.42,   0.05,
07/18 21Z,   0.20,   9.99,  99.90,  10.24,   0.05,
07/18 22Z,   0.20,  10.60,  99.90,  10.85,   0.05,  (max)
07/18 23Z,   0.30,   9.92,  99.90,  10.27,   0.05,
07/19 00Z,   0.30,   8.23,  99.90,   8.58,   0.05,
07/19 01Z,   0.30,   5.98,  99.90,   6.34,   0.05,
07/19 02Z,   0.30,   3.62,  99.90,   3.97,   0.05,
07/19 03Z,   0.20,   1.52,  99.90,   1.77,   0.05,
07/19 04Z,   0.20,   0.28,  99.90,   0.53,   0.05,  (min)
07/19 05Z,   0.10,   0.46,  99.90,   0.62,   0.05,
07/19 06Z,   0.10,   1.89,  99.90,   2.04,   0.05,
07/19 07Z,   0.10,   3.87,  99.90,   4.02,   0.05,
07/19 08Z,   0.10,   5.99,  99.90,   6.14,   0.05,
07/19 09Z,   0.20,   7.95,  99.90,   8.21,   0.05,
07/19 10Z,   0.30,   9.17,  99.90,   9.52,   0.05,
07/19 11Z,   0.30,   9.20,  99.90,   9.56,   0.05,  (max)
07/19 12Z,   0.40,   8.14,  99.90,   8.59,   0.05,
07/19 13Z,   0.40,   6.35,  99.90,   6.80,   0.05,
07/19 14Z,   0.50,   4.29,  99.90,   4.84,   0.05,
07/19 15Z,   0.50,   2.31,  99.90,   2.86,   0.05,
07/19 16Z,   0.50,   0.88,  99.90,   1.43,   0.05,
07/19 17Z,   0.40,   0.69,  99.90,   1.14,   0.05,  (min)
07/19 18Z,   0.40,   1.92,  99.90,   2.37,   0.05,
07/19 19Z,   0.40,   3.98,  99.90,   4.43,   0.05,
07/19 20Z,   0.40,   6.28,  99.90,   6.73,   0.05,
07/19 21Z,   0.40,   8.51,  99.90,   8.96,   0.05,
07/19 22Z,   0.30,  10.19,  99.90,  10.54,   0.05,
07/19 23Z,   0.30,  10.73,  99.90,  11.08,   0.05,  (max)
07/20 00Z,   0.30,   9.99,  99.90,  10.35,   0.05,
07/20 01Z,   0.20,   8.29,  99.90,   8.54,   0.05,
07/20 02Z,   0.10,   6.05,  99.90,   6.20,   0.05,
07/20 03Z,   0.10,   3.65,  99.90,   3.81,   0.05,
07/20 04Z,   0.10,   1.48,  99.90,   1.63,   0.05,
07/20 05Z,   0.10,   0.18,  99.90,   0.33,   0.05,  (min)
07/20 06Z,   0.10,   0.31,  99.90,   0.46,   0.05,
07/20 07Z,   0.10,   1.64,  99.90,   1.79,   0.05,
07/20 08Z,   0.10,   3.54,  99.90,   3.69,   0.05,
07/20 09Z,   0.20,   5.67,  99.90,   5.92,   0.05,
07/20 10Z,   0.20,   7.68,  99.90,   7.94,   0.05,
07/20 11Z,   0.30,   8.94,  99.90,   9.29,   0.05,
07/20 12Z,   0.30,   9.03,  99.90,   9.38,   0.05,  (max)
07/20 13Z,   0.30,   8.06,  99.90,   8.41,   0.05,
07/20 14Z,   0.30,   6.40,  99.90,   6.75,   0.05,
07/20 15Z,   0.30,   4.42,  99.90,   4.77,   0.05,
07/20 16Z,   0.30,   2.45,  99.90,   2.80,   0.05,
07/20 17Z,   0.30,   1.02,  99.90,   1.38,   0.05,
07/20 18Z,   0.30,   0.86,  99.90,   1.21,   0.05,  (min)
07/20 19Z,   0.30,   2.08,  99.90,   2.43,   0.05,
07/20 20Z,   0.40,   4.09,  99.90,   4.54,   0.05,
07/20 21Z,   0.40,   6.38,  99.90,   6.83,   0.05,
07/20 22Z,   0.40,   8.65,  99.90,   9.11,   0.05,
07/20 23Z,   0.40,  10.34,  99.90,  10.79,   0.05,
07/21 00Z,   0.50,  10.85,  99.90,  11.40,   0.05,  (max)
07/21 01Z,   0.50,  10.12,  99.90,  10.67,   0.05,
07/21 02Z,   0.40,   8.44,  99.90,   8.89,   0.05,
07/21 03Z,   0.50,   6.19,  99.90,   6.74,   0.05,
07/21 04Z,   0.40,   3.71,  99.90,   4.17,   0.05,
07/21 05Z,   0.40,   1.42,  99.90,   1.87,   0.05,
07/21 06Z,   0.40,   0.04,  99.90,   0.49,   0.05,