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
#Boston, MA : 03/12/2026 09:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/10 18Z,   0.20,   4.36,   4.53,  99.90,  -0.03,
03/10 19Z,   0.20,   5.89,   6.15,  99.90,   0.06,
03/10 20Z,   0.20,   7.26,   7.55,  99.90,   0.09,
03/10 21Z,   0.20,   7.93,   8.16,  99.90,   0.03,  (max)
03/10 22Z,   0.30,   7.68,   8.00,  99.90,   0.02,
03/10 23Z,   0.20,   6.73,   6.98,  99.90,   0.05,
03/11 00Z,   0.20,   5.42,   5.79,  99.90,   0.17,
03/11 01Z,   0.20,   4.03,   4.30,  99.90,   0.07,
03/11 02Z,   0.20,   2.77,   2.88,  99.90,  -0.09,
03/11 03Z,   0.20,   2.10,   2.33,  99.90,   0.03,  (min)
03/11 04Z,   0.20,   2.45,   2.82,  99.90,   0.17,
03/11 05Z,   0.20,   3.60,   4.01,  99.90,   0.21,
03/11 06Z,   0.30,   5.00,   5.51,  99.90,   0.21,
03/11 07Z,   0.30,   6.47,   7.24,  99.90,   0.47,
03/11 08Z,   0.30,   7.88,   8.67,  99.90,   0.49,
03/11 09Z,   0.40,   8.73,   9.53,  99.90,   0.40,  (max)
03/11 10Z,   0.50,   8.67,   9.33,  99.90,   0.16,
03/11 11Z,   0.50,   7.78,   8.49,  99.90,   0.21,
03/11 12Z,   0.60,   6.40,   7.05,  99.90,   0.05,
03/11 13Z,   0.70,   4.85,   5.26,  99.90,  -0.29,
03/11 14Z,   0.70,   3.30,   3.57,  99.90,  -0.43,
03/11 15Z,   0.70,   2.05,   2.10,  99.90,  -0.65,  (min)
03/11 16Z,   0.70,   1.63,   2.17,  99.90,  -0.16,
03/11 17Z,   0.70,   2.16,   2.81,  99.90,  -0.05,
03/11 18Z,   0.70,   3.18,   3.66,  99.90,  -0.22,
03/11 19Z,   0.80,   4.41,   5.19,  99.90,  -0.02,
03/11 20Z,   0.80,   5.82,   6.80,  99.90,   0.18,
03/11 21Z,   0.90,   7.06,   8.08,  99.90,   0.12,
03/11 22Z,   1.00,   7.63,   8.61,  99.90,  -0.02,  (max)
03/11 23Z,   1.00,   7.36,   8.26,  99.90,  -0.10,
03/12 00Z,   1.00,   6.48,   7.57,  99.90,   0.09,
03/12 01Z,   1.00,   5.31,   6.40,  99.90,   0.09,
03/12 02Z,   0.90,   4.05,   4.73,  99.90,  -0.22,
03/12 03Z,   0.90,   2.91,   3.86,  99.90,   0.05,
03/12 04Z,   0.80,   2.35,   3.26,  99.90,   0.11,  (min)
03/12 05Z,   0.70,   2.75,   4.00,  99.90,   0.55,
03/12 06Z,   0.70,   3.83,   4.91,  99.90,   0.38,
03/12 07Z,   0.70,   5.10,   6.26,  99.90,   0.46,
03/12 08Z,   0.70,   6.49,   7.74,  99.90,   0.55,
03/12 09Z,   0.70,   7.82,   9.20,  99.90,   0.68,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/12 10Z,   0.70,   8.59,  99.90,   9.92,   0.63,  (max)
03/12 11Z,   0.60,   8.49,  99.90,   9.67,   0.58,
03/12 12Z,   0.60,   7.64,  99.90,   8.78,   0.54,
03/12 13Z,   0.40,   6.35,  99.90,   7.24,   0.49,
03/12 14Z,   0.40,   4.88,  99.90,   5.72,   0.44,
03/12 15Z,   0.20,   3.37,  99.90,   3.97,   0.39,
03/12 16Z,   0.20,   2.16,  99.90,   2.71,   0.35,
03/12 17Z,   0.00,   1.77,  99.90,   2.07,   0.30,  (min)
03/12 18Z,   0.00,   2.26,  99.90,   2.52,   0.25,
03/12 19Z,   0.00,   3.18,  99.90,   3.39,   0.21,
03/12 20Z,   0.00,   4.35,  99.90,   4.51,   0.16,
03/12 21Z,   0.00,   5.76,  99.90,   5.87,   0.11,
03/12 22Z,   0.00,   6.99,  99.90,   7.10,   0.11,
03/12 23Z,   0.00,   7.53,  99.90,   7.64,   0.11,  (max)
03/13 00Z,   0.10,   7.28,  99.90,   7.49,   0.11,
03/13 01Z,   0.00,   6.46,  99.90,   6.57,   0.11,
03/13 02Z,   0.10,   5.34,  99.90,   5.55,   0.11,
03/13 03Z,   0.00,   4.09,  99.90,   4.20,   0.11,
03/13 04Z,   0.00,   2.93,  99.90,   3.04,   0.11,
03/13 05Z,   0.10,   2.39,  99.90,   2.60,   0.11,  (min)
03/13 06Z,   0.00,   2.81,  99.90,   2.92,   0.11,
03/13 07Z,   0.00,   3.83,  99.90,   3.94,   0.11,
03/13 08Z,   0.00,   5.07,  99.90,   5.18,   0.11,
03/13 09Z,   0.00,   6.49,  99.90,   6.61,   0.11,
03/13 10Z,   0.00,   7.86,  99.90,   7.97,   0.11,
03/13 11Z,   0.00,   8.63,  99.90,   8.74,   0.11,  (max)
03/13 12Z,   0.00,   8.53,  99.90,   8.64,   0.11,
03/13 13Z,   0.00,   7.70,  99.90,   7.81,   0.11,
03/13 14Z,   0.00,   6.42,  99.90,   6.53,   0.11,
03/13 15Z,   0.00,   4.91,  99.90,   5.02,   0.11,
03/13 16Z,   0.00,   3.32,  99.90,   3.43,   0.11,
03/13 17Z,   0.00,   2.06,  99.90,   2.17,   0.11,
03/13 18Z,   0.10,   1.68,  99.90,   1.89,   0.11,  (min)
03/13 19Z,   0.20,   2.16,  99.90,   2.47,   0.11,
03/13 20Z,   0.10,   3.09,  99.90,   3.30,   0.11,
03/13 21Z,   0.20,   4.34,  99.90,   4.65,   0.11,
03/13 22Z,   0.10,   5.85,  99.90,   6.07,   0.11,
03/13 23Z,   0.10,   7.13,  99.90,   7.34,   0.11,
03/14 00Z,   0.20,   7.67,  99.90,   7.98,   0.11,  (max)
03/14 01Z,   0.20,   7.42,  99.90,   7.73,   0.11,
03/14 02Z,   0.10,   6.57,  99.90,   6.78,   0.11,
03/14 03Z,   0.10,   5.39,  99.90,   5.60,   0.11,
03/14 04Z,   0.20,   4.01,  99.90,   4.32,   0.11,
03/14 05Z,   0.20,   2.75,  99.90,   3.06,   0.11,
03/14 06Z,   0.30,   2.20,  99.90,   2.61,   0.11,  (min)
03/14 07Z,   0.30,   2.64,  99.90,   3.05,   0.11,
03/14 08Z,   0.40,   3.70,  99.90,   4.21,   0.11,
03/14 09Z,   0.40,   5.04,  99.90,   5.55,   0.11,
03/14 10Z,   0.40,   6.62,  99.90,   7.13,   0.11,
03/14 11Z,   0.30,   8.08,  99.90,   8.49,   0.11,
03/14 12Z,   0.20,   8.87,  99.90,   9.18,   0.11,  (max)
03/14 13Z,   0.10,   8.74,  99.90,   8.95,   0.11,
03/14 14Z,  -0.10,   7.85,  99.90,   7.86,   0.11,
03/14 15Z,  -0.30,   6.47,  99.90,   6.28,   0.11,
03/14 16Z,  -0.60,   4.79,  99.90,   4.31,   0.11,
03/14 17Z,  -0.70,   3.03,  99.90,   2.44,   0.11,
03/14 18Z,  -0.90,   1.71,  99.90,   0.92,   0.11,
03/14 19Z,  -1.00,   1.39,  99.90,   0.50,   0.11,  (min)
03/14 20Z,  -0.90,   1.97,  99.90,   1.18,   0.11,
03/14 21Z,  -0.90,   3.04,  99.90,   2.25,   0.11,
03/14 22Z,  -0.90,   4.50,  99.90,   3.72,   0.11,
03/14 23Z,  -0.80,   6.20,  99.90,   5.51,   0.11,
03/15 00Z,  -0.80,   7.53,  99.90,   6.84,   0.11,
03/15 01Z,  -0.80,   8.04,  99.90,   7.35,   0.11,  (max)
03/15 02Z,  -0.90,   7.69,  99.90,   6.90,   0.11,
03/15 03Z,  -1.10,   6.70,  99.90,   5.71,   0.11,
03/15 04Z,  -1.20,   5.31,  99.90,   4.22,   0.11,
03/15 05Z,  -1.20,   3.71,  99.90,   2.62,   0.11,
03/15 06Z,  -1.20,   2.31,  99.90,   1.23,   0.11,
03/15 07Z,  -1.10,   1.79,  99.90,   0.81,   0.11,  (min)
03/15 08Z,  -1.00,   2.36,  99.90,   1.47,   0.11,
03/15 09Z,  -0.80,   3.57,  99.90,   2.88,   0.11,
03/15 10Z,  -0.70,   5.13,  99.90,   4.54,   0.11,
03/15 11Z,  -0.60,   6.93,  99.90,   6.44,   0.11,
03/15 12Z,  -0.50,   8.51,  99.90,   8.12,   0.11,
03/15 13Z,  -0.40,   9.26,  99.90,   8.98,   0.11,  (max)
03/15 14Z,  -0.30,   9.02,  99.90,   8.83,   0.11,
03/15 15Z,  -0.30,   7.96,  99.90,   7.77,   0.11,
03/15 16Z,  -0.20,   6.35,  99.90,   6.27,   0.11,
03/15 17Z,  -0.10,   4.43,  99.90,   4.44,   0.11,
03/15 18Z,  -0.10,   2.48,  99.90,   2.49,   0.11,
03/15 19Z,   0.00,   1.16,  99.90,   1.28,   0.11,
03/15 20Z,   0.10,   1.01,  99.90,   1.22,   0.11,  (min)
03/15 21Z,   0.20,   1.83,  99.90,   2.14,   0.11,
03/15 22Z,   0.40,   3.18,  99.90,   3.69,   0.11,
03/15 23Z,   0.40,   4.95,  99.90,   5.46,   0.11,
03/16 00Z,   0.50,   6.83,  99.90,   7.44,   0.11,
03/16 01Z,  99.90,   8.17,  99.90,  99.90,   0.11,
03/16 02Z,  99.90,   8.54,  99.90,  99.90,   0.11,
03/16 03Z,  99.90,   7.97,  99.90,  99.90,   0.11,
03/16 04Z,  99.90,   6.70,  99.90,  99.90,   0.11,
03/16 05Z,  99.90,   5.00,  99.90,  99.90,   0.11,
03/16 06Z,  99.90,   3.14,  99.90,  99.90,   0.11,