EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Port Heiden, AK
Egegik, AK
Naknek, AK
Clark's Pt, AK
Goodnews Bay
Quinhagak, AK
Kuskokwak, AK
Eek, Apokak, AK
Popokamute, AK
Scammon Bay AK
St. Lawrence, AK
Kwikluak, AK
Kawanak, AK
Apoon, Yukon, AK
St. Michaels, AK
Golovin, AK
Nome, AK
Port Clarence, AK
Kotzebue, AK
Pt. Barrow, AK
Prudhoe Bay, AK
St. Paul Island AK
Surge List
Norton Sound
Arctic Alaska
#Friday Harbor, WA : 12/17/2025 13:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 18Z,   1.20,   7.23,   8.13,  99.90,  -0.30,
12/15 19Z,   1.10,   7.61,   8.41,  99.90,  -0.30,
12/15 20Z,   1.10,   7.82,   8.53,  99.90,  -0.39,
12/15 21Z,   1.20,   7.71,   8.57,  99.90,  -0.34,  (max)
12/15 22Z,   1.20,   7.18,   8.00,  99.90,  -0.38,
12/15 23Z,   1.30,   6.17,   6.99,  99.90,  -0.48,
12/16 00Z,   1.10,   4.77,   5.59,  99.90,  -0.28,
12/16 01Z,   1.20,   3.19,   4.05,  99.90,  -0.34,
12/16 02Z,   1.20,   1.73,   2.50,  99.90,  -0.43,
12/16 03Z,   1.10,   0.66,   1.29,  99.90,  -0.47,
12/16 04Z,   1.00,   0.16,   0.74,  99.90,  -0.42,
12/16 05Z,   0.90,   0.25,   0.64,  99.90,  -0.51,  (min)
12/16 06Z,   0.80,   0.87,   1.18,  99.90,  -0.49,
12/16 07Z,   0.70,   1.88,   2.21,  99.90,  -0.37,
12/16 08Z,   0.60,   3.14,   3.45,  99.90,  -0.29,
12/16 09Z,   0.50,   4.49,   4.77,  99.90,  -0.22,
12/16 10Z,   0.50,   5.72,   5.89,  99.90,  -0.33,
12/16 11Z,   0.40,   6.67,   6.83,  99.90,  -0.24,
12/16 12Z,   0.40,   7.21,   7.45,  99.90,  -0.16,
12/16 13Z,   0.40,   7.36,   7.75,  99.90,  -0.01,  (max)
12/16 14Z,   0.40,   7.25,   7.70,  99.90,   0.05,
12/16 15Z,   0.30,   7.07,   7.55,  99.90,   0.18,
12/16 16Z,   0.20,   6.98,   7.47,  99.90,   0.29,  (min)
12/16 17Z,   0.30,   7.05,   7.52,  99.90,   0.17,
12/16 18Z,   0.40,   7.25,   7.78,  99.90,   0.13,
12/16 19Z,   0.40,   7.48,   7.93,  99.90,   0.05,
12/16 20Z,   0.50,   7.63,   8.19,  99.90,   0.06,  (max)
12/16 21Z,   0.50,   7.58,   8.18,  99.90,   0.10,
12/16 22Z,   0.50,   7.21,   7.79,  99.90,   0.08,
12/16 23Z,   0.60,   6.41,   7.11,  99.90,   0.10,
12/17 00Z,   0.60,   5.15,   5.89,  99.90,   0.14,
12/17 01Z,   0.80,   3.58,   4.48,  99.90,   0.10,
12/17 02Z,   0.90,   1.94,   2.90,  99.90,   0.06,
12/17 03Z,   0.90,   0.58,   1.62,  99.90,   0.14,
12/17 04Z,   0.90,  -0.26,   0.74,  99.90,   0.10,
12/17 05Z,   1.00,  -0.44,   0.62,  99.90,   0.06,  (min)
12/17 06Z,   1.00,   0.01,   1.07,  99.90,   0.06,
12/17 07Z,   1.00,   0.97,   2.20,  99.90,   0.23,
12/17 08Z,   1.00,   2.28,   3.70,  99.90,   0.42,
12/17 09Z,   1.20,   3.78,   5.35,  99.90,   0.37,
12/17 10Z,   1.40,   5.30,   6.63,  99.90,  -0.07,
12/17 11Z,   1.30,   6.63,   7.96,  99.90,   0.03,
12/17 12Z,   1.30,   7.57,   9.02,  99.90,   0.15,
12/17 13Z,   1.60,   8.03,   9.62,  99.90,  -0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/17 14Z,   1.60,   8.06,  99.90,   9.64,  -0.02,  (max)
12/17 15Z,   1.50,   7.84,  99.90,   9.31,  -0.03,
12/17 16Z,   1.40,   7.57,  99.90,   8.93,  -0.04,
12/17 17Z,   1.40,   7.41,  99.90,   8.76,  -0.05,
12/17 18Z,   1.30,   7.40,  99.90,   8.64,  -0.06,
12/17 19Z,   1.20,   7.48,  99.90,   8.61,  -0.07,
12/17 20Z,   1.00,   7.55,  99.90,   8.47,  -0.08,
12/17 21Z,   0.90,   7.52,  99.90,   8.33,  -0.09,
12/17 22Z,   0.80,   7.26,  99.90,   7.96,  -0.10,
12/17 23Z,   0.80,   6.66,  99.90,   7.35,  -0.11,
12/18 00Z,   0.60,   5.61,  99.90,   6.09,  -0.12,
12/18 01Z,   0.60,   4.16,  99.90,   4.63,  -0.13,
12/18 02Z,   0.60,   2.47,  99.90,   2.94,  -0.13,
12/18 03Z,   0.60,   0.86,  99.90,   1.33,  -0.13,
12/18 04Z,   0.40,  -0.33,  99.90,  -0.06,  -0.13,
12/18 05Z,   0.30,  -0.86,  99.90,  -0.69,  -0.13,  (min)
12/18 06Z,   0.30,  -0.68,  99.90,  -0.51,  -0.13,
12/18 07Z,   0.30,   0.12,  99.90,   0.29,  -0.13,
12/18 08Z,   0.30,   1.38,  99.90,   1.55,  -0.13,
12/18 09Z,   0.20,   2.93,  99.90,   3.00,  -0.13,
12/18 10Z,   0.30,   4.59,  99.90,   4.76,  -0.13,
12/18 11Z,   0.30,   6.18,  99.90,   6.35,  -0.13,
12/18 12Z,   0.30,   7.46,  99.90,   7.63,  -0.13,
12/18 13Z,   0.30,   8.28,  99.90,   8.45,  -0.13,
12/18 14Z,   0.40,   8.57,  99.90,   8.84,  -0.13,  (max)
12/18 15Z,   0.40,   8.45,  99.90,   8.72,  -0.13,
12/18 16Z,   0.50,   8.12,  99.90,   8.49,  -0.13,
12/18 17Z,   0.50,   7.80,  99.90,   8.17,  -0.13,
12/18 18Z,   0.60,   7.61,  99.90,   8.08,  -0.13,  (min)
12/18 19Z,   0.70,   7.56,  99.90,   8.13,  -0.13,
12/18 20Z,   0.70,   7.56,  99.90,   8.13,  -0.13,  (max)
12/18 21Z,   0.70,   7.53,  99.90,   8.10,  -0.13,  (min)
12/18 22Z,   0.90,   7.35,  99.90,   8.12,  -0.13,  (max)
12/18 23Z,   1.00,   6.91,  99.90,   7.79,  -0.13,
12/19 00Z,   1.00,   6.10,  99.90,   6.97,  -0.13,
12/19 01Z,   1.20,   4.85,  99.90,   5.92,  -0.13,
12/19 02Z,   1.40,   3.23,  99.90,   4.50,  -0.13,
12/19 03Z,   1.40,   1.49,  99.90,   2.76,  -0.13,
12/19 04Z,   1.30,  -0.01,  99.90,   1.16,  -0.13,
12/19 05Z,   1.30,  -0.94,  99.90,   0.23,  -0.13,
12/19 06Z,   1.40,  -1.14,  99.90,   0.13,  -0.13,  (min)
12/19 07Z,   1.40,  -0.60,  99.90,   0.67,  -0.13,
12/19 08Z,   1.30,   0.51,  99.90,   1.68,  -0.13,
12/19 09Z,   1.20,   2.00,  99.90,   3.07,  -0.13,
12/19 10Z,   1.20,   3.70,  99.90,   4.77,  -0.13,
12/19 11Z,   1.20,   5.43,  99.90,   6.50,  -0.13,
12/19 12Z,   1.20,   6.97,  99.90,   8.04,  -0.13,
12/19 13Z,   1.00,   8.12,  99.90,   8.99,  -0.13,
12/19 14Z,   1.00,   8.73,  99.90,   9.60,  -0.13,
12/19 15Z,   1.10,   8.82,  99.90,   9.79,  -0.13,  (max)
12/19 16Z,   1.00,   8.54,  99.90,   9.41,  -0.13,
12/19 17Z,   0.90,   8.14,  99.90,   8.91,  -0.13,
12/19 18Z,   0.90,   7.82,  99.90,   8.59,  -0.13,
12/19 19Z,   0.90,   7.65,  99.90,   8.42,  -0.13,
12/19 20Z,   0.80,   7.59,  99.90,   8.26,  -0.13,
12/19 21Z,   0.70,   7.56,  99.90,   8.13,  -0.13,
12/19 22Z,   0.70,   7.44,  99.90,   8.01,  -0.13,
12/19 23Z,   0.70,   7.15,  99.90,   7.72,  -0.13,
12/20 00Z,   0.60,   6.55,  99.90,   7.02,  -0.13,
12/20 01Z,   0.60,   5.54,  99.90,   6.01,  -0.13,
12/20 02Z,   0.70,   4.11,  99.90,   4.68,  -0.13,
12/20 03Z,   0.70,   2.38,  99.90,   2.95,  -0.13,
12/20 04Z,   0.60,   0.67,  99.90,   1.14,  -0.13,
12/20 05Z,   0.50,  -0.65,  99.90,  -0.28,  -0.13,
12/20 06Z,   0.50,  -1.28,  99.90,  -0.91,  -0.13,  (min)
12/20 07Z,   0.50,  -1.14,  99.90,  -0.77,  -0.13,
12/20 08Z,   0.40,  -0.28,  99.90,  -0.01,  -0.13,
12/20 09Z,   0.40,   1.08,  99.90,   1.35,  -0.13,
12/20 10Z,   0.40,   2.74,  99.90,   3.01,  -0.13,
12/20 11Z,   0.50,   4.52,  99.90,   4.89,  -0.13,
12/20 12Z,   0.40,   6.21,  99.90,   6.48,  -0.13,
12/20 13Z,   0.30,   7.62,  99.90,   7.79,  -0.13,
12/20 14Z,   0.30,   8.55,  99.90,   8.72,  -0.13,
12/20 15Z,   0.40,   8.93,  99.90,   9.20,  -0.13,  (max)
12/20 16Z,   0.40,   8.81,  99.90,   9.08,  -0.13,
12/20 17Z,   0.30,   8.43,  99.90,   8.60,  -0.13,
12/20 18Z,   0.40,   8.01,  99.90,   8.28,  -0.13,
12/20 19Z,   0.40,   7.72,  99.90,   7.99,  -0.13,
12/20 20Z,   0.40,   7.59,  99.90,   7.86,  -0.13,
12/20 21Z,   0.30,   7.54,  99.90,   7.71,  -0.13,  (min)
12/20 22Z,   0.40,   7.48,  99.90,   7.75,  -0.13,  (max)
12/20 23Z,   0.40,   7.30,  99.90,   7.57,  -0.13,
12/21 00Z,   0.30,   6.89,  99.90,   7.06,  -0.13,
12/21 01Z,   0.40,   6.13,  99.90,   6.40,  -0.13,
12/21 02Z,   0.50,   4.95,  99.90,   5.32,  -0.13,
12/21 03Z,   0.60,   3.38,  99.90,   3.85,  -0.13,
12/21 04Z,   0.50,   1.62,  99.90,   1.99,  -0.13,
12/21 05Z,   0.40,   0.02,  99.90,   0.29,  -0.13,
12/21 06Z,   0.60,  -1.06,  99.90,  -0.59,  -0.13,