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

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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
#San Francisco, CA : 10/16/2026 05:22:41 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 12Z,   0.60,   4.00,   4.74,  99.90,   0.14,
10/14 13Z,   0.70,   3.53,   4.30,  99.90,   0.07,
10/14 14Z,   0.70,   3.16,   3.81,  99.90,  -0.05,
10/14 15Z,   0.60,   3.06,   3.74,  99.90,   0.08,  (min)
10/14 16Z,   0.60,   3.27,   3.96,  99.90,   0.09,
10/14 17Z,   0.70,   3.76,   4.52,  99.90,   0.06,
10/14 18Z,   0.70,   4.39,   5.21,  99.90,   0.12,
10/14 19Z,   0.60,   5.02,   5.88,  99.90,   0.26,
10/14 20Z,   0.60,   5.48,   6.37,  99.90,   0.29,
10/14 21Z,   0.70,   5.63,   6.60,  99.90,   0.27,  (max)
10/14 22Z,   0.70,   5.32,   6.21,  99.90,   0.19,
10/14 23Z,   0.60,   4.51,   5.31,  99.90,   0.20,
10/15 00Z,   0.70,   3.32,   4.08,  99.90,   0.06,
10/15 01Z,   0.70,   2.01,   2.72,  99.90,   0.01,
10/15 02Z,   0.70,   0.88,   1.83,  99.90,   0.25,
10/15 03Z,   0.70,   0.18,   1.11,  99.90,   0.23,
10/15 04Z,   0.60,   0.02,   0.87,  99.90,   0.25,  (min)
10/15 05Z,   0.60,   0.34,   1.11,  99.90,   0.17,
10/15 06Z,   0.60,   0.98,   1.78,  99.90,   0.20,
10/15 07Z,   0.60,   1.79,   2.59,  99.90,   0.20,
10/15 08Z,   0.60,   2.62,   3.39,  99.90,   0.17,
10/15 09Z,   0.60,   3.37,   4.21,  99.90,   0.24,
10/15 10Z,   0.60,   3.92,   4.83,  99.90,   0.31,
10/15 11Z,   0.60,   4.20,   5.18,  99.90,   0.38,  (max)
10/15 12Z,   0.60,   4.19,   5.10,  99.90,   0.31,
10/15 13Z,   0.60,   3.95,   4.79,  99.90,   0.24,
10/15 14Z,   0.60,   3.64,   4.49,  99.90,   0.25,
10/15 15Z,   0.60,   3.41,   4.12,  99.90,   0.11,  (min)
10/15 16Z,   0.60,   3.39,   4.14,  99.90,   0.15,
10/15 17Z,   0.60,   3.61,   4.38,  99.90,   0.17,
10/15 18Z,   0.60,   4.02,   4.87,  99.90,   0.25,
10/15 19Z,   0.50,   4.54,   5.42,  99.90,   0.38,
10/15 20Z,   0.60,   5.03,   5.94,  99.90,   0.31,
10/15 21Z,   0.60,   5.35,   6.32,  99.90,   0.37,  (max)
10/15 22Z,   0.60,   5.34,   6.20,  99.90,   0.26,
10/15 23Z,   0.60,   4.92,   5.79,  99.90,   0.27,
10/16 00Z,   0.70,   4.07,   4.91,  99.90,   0.14,
10/16 01Z,   0.70,   2.94,   3.75,  99.90,   0.11,
10/16 02Z,   0.80,   1.78,   2.61,  99.90,   0.03,
10/16 03Z,   0.70,   0.85,   1.82,  99.90,   0.27,
10/16 04Z,   0.70,   0.32,   1.32,  99.90,   0.30,
10/16 05Z,   0.70,   0.26,   1.25,  99.90,   0.29,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 06Z,   0.70,   0.59,  99.90,   1.57,   0.28,
10/16 07Z,   0.70,   1.18,  99.90,   2.15,   0.27,
10/16 08Z,   0.70,   1.90,  99.90,   2.86,   0.26,
10/16 09Z,   0.70,   2.65,  99.90,   3.59,   0.25,
10/16 10Z,   0.70,   3.32,  99.90,   4.25,   0.23,
10/16 11Z,   0.70,   3.82,  99.90,   4.75,   0.22,
10/16 12Z,   0.70,   4.10,  99.90,   5.01,   0.21,
10/16 13Z,   0.70,   4.14,  99.90,   5.04,   0.20,  (max)
10/16 14Z,   0.70,   4.00,  99.90,   4.89,   0.19,
10/16 15Z,   0.60,   3.79,  99.90,   4.56,   0.18,
10/16 16Z,   0.60,   3.63,  99.90,   4.39,   0.17,  (min)
10/16 17Z,   0.70,   3.61,  99.90,   4.46,   0.15,
10/16 18Z,   0.70,   3.77,  99.90,   4.62,   0.15,
10/16 19Z,   0.60,   4.09,  99.90,   4.84,   0.15,
10/16 20Z,   0.60,   4.50,  99.90,   5.25,   0.15,
10/16 21Z,   0.70,   4.89,  99.90,   5.74,   0.15,
10/16 22Z,   0.70,   5.12,  99.90,   5.98,   0.15,  (max)
10/16 23Z,   0.70,   5.05,  99.90,   5.91,   0.15,
10/17 00Z,   0.80,   4.60,  99.90,   5.55,   0.15,
10/17 01Z,   0.80,   3.79,  99.90,   4.74,   0.15,
10/17 02Z,   0.70,   2.76,  99.90,   3.61,   0.15,
10/17 03Z,   0.70,   1.74,  99.90,   2.60,   0.15,
10/17 04Z,   0.70,   0.95,  99.90,   1.80,   0.15,
10/17 05Z,   0.70,   0.51,  99.90,   1.37,   0.15,
10/17 06Z,   0.60,   0.47,  99.90,   1.23,   0.15,  (min)
10/17 07Z,   0.70,   0.77,  99.90,   1.62,   0.15,
10/17 08Z,   0.70,   1.30,  99.90,   2.15,   0.15,
10/17 09Z,   0.60,   1.96,  99.90,   2.71,   0.15,
10/17 10Z,   0.70,   2.66,  99.90,   3.51,   0.15,
10/17 11Z,   0.70,   3.30,  99.90,   4.16,   0.15,
10/17 12Z,   0.70,   3.81,  99.90,   4.66,   0.15,
10/17 13Z,   0.70,   4.11,  99.90,   4.97,   0.15,
10/17 14Z,   0.70,   4.20,  99.90,   5.05,   0.15,  (max)
10/17 15Z,   0.70,   4.11,  99.90,   4.96,   0.15,
10/17 16Z,   0.60,   3.92,  99.90,   4.68,   0.15,
10/17 17Z,   0.70,   3.74,  99.90,   4.60,   0.15,
10/17 18Z,   0.70,   3.66,  99.90,   4.52,   0.15,
10/17 19Z,   0.60,   3.74,  99.90,   4.49,   0.15,  (min)
10/17 20Z,   0.70,   3.98,  99.90,   4.83,   0.15,
10/17 21Z,   0.70,   4.33,  99.90,   5.18,   0.15,
10/17 22Z,   0.70,   4.68,  99.90,   5.54,   0.15,
10/17 23Z,   0.80,   4.89,  99.90,   5.85,   0.15,  (max)
10/18 00Z,   0.80,   4.83,  99.90,   5.78,   0.15,
10/18 01Z,   0.80,   4.41,  99.90,   5.36,   0.15,
10/18 02Z,   0.70,   3.66,  99.90,   4.52,   0.15,
10/18 03Z,   0.80,   2.73,  99.90,   3.69,   0.15,
10/18 04Z,   0.80,   1.81,  99.90,   2.76,   0.15,
10/18 05Z,   0.70,   1.08,  99.90,   1.93,   0.15,
10/18 06Z,   0.70,   0.67,  99.90,   1.52,   0.15,  (min)
10/18 07Z,   0.80,   0.61,  99.90,   1.56,   0.15,
10/18 08Z,   0.80,   0.86,  99.90,   1.82,   0.15,
10/18 09Z,   0.70,   1.36,  99.90,   2.22,   0.15,
10/18 10Z,   0.80,   2.01,  99.90,   2.97,   0.15,
10/18 11Z,   0.80,   2.72,  99.90,   3.68,   0.15,
10/18 12Z,   0.80,   3.39,  99.90,   4.34,   0.15,
10/18 13Z,   0.80,   3.92,  99.90,   4.88,   0.15,
10/18 14Z,   0.80,   4.25,  99.90,   5.20,   0.15,
10/18 15Z,   0.80,   4.34,  99.90,   5.29,   0.15,  (max)
10/18 16Z,   0.70,   4.22,  99.90,   5.07,   0.15,
10/18 17Z,   0.80,   3.97,  99.90,   4.92,   0.15,
10/18 18Z,   0.80,   3.70,  99.90,   4.66,   0.15,
10/18 19Z,   0.70,   3.53,  99.90,   4.38,   0.15,  (min)
10/18 20Z,   0.80,   3.53,  99.90,   4.49,   0.15,
10/18 21Z,   0.80,   3.74,  99.90,   4.69,   0.15,
10/18 22Z,   0.80,   4.09,  99.90,   5.04,   0.15,
10/18 23Z,   0.80,   4.47,  99.90,   5.42,   0.15,
10/19 00Z,   0.90,   4.72,  99.90,   5.77,   0.15,  (max)
10/19 01Z,   0.80,   4.70,  99.90,   5.65,   0.15,
10/19 02Z,   0.80,   4.34,  99.90,   5.29,   0.15,
10/19 03Z,   0.80,   3.66,  99.90,   4.61,   0.15,
10/19 04Z,   0.80,   2.78,  99.90,   3.74,   0.15,
10/19 05Z,   0.80,   1.89,  99.90,   2.85,   0.15,
10/19 06Z,   0.80,   1.17,  99.90,   2.12,   0.15,
10/19 07Z,   0.80,   0.74,  99.90,   1.69,   0.15,
10/19 08Z,   0.80,   0.66,  99.90,   1.62,   0.15,  (min)
10/19 09Z,   0.80,   0.92,  99.90,   1.88,   0.15,
10/19 10Z,   0.80,   1.45,  99.90,   2.40,   0.15,
10/19 11Z,   0.90,   2.15,  99.90,   3.20,   0.15,
10/19 12Z,   0.80,   2.91,  99.90,   3.86,   0.15,
10/19 13Z,   0.80,   3.62,  99.90,   4.58,   0.15,
10/19 14Z,   0.90,   4.17,  99.90,   5.23,   0.15,
10/19 15Z,   0.90,   4.48,  99.90,   5.53,   0.15,  (max)
10/19 16Z,   0.80,   4.49,  99.90,   5.44,   0.15,
10/19 17Z,   0.80,   4.25,  99.90,   5.21,   0.15,
10/19 18Z,   0.80,   3.86,  99.90,   4.82,   0.15,
10/19 19Z,   0.80,   3.47,  99.90,   4.42,   0.15,
10/19 20Z,   0.80,   3.21,  99.90,   4.17,   0.15,  (min)
10/19 21Z,   0.90,   3.19,  99.90,   4.25,   0.15,
10/19 22Z,   0.80,   3.42,  99.90,   4.38,   0.15,
10/19 23Z,   0.90,   3.84,  99.90,   4.89,   0.15,
10/20 00Z,   0.90,   4.29,  99.90,   5.35,   0.15,