11 (火)	05:26	11:29	17:25	23:41
	135cm	48cm	130cm	38cm
中潮 出 06:37 入 17:01 出 21:06 入 07:52

苫小牧（北海道）2031年02月11日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/11 00:00	31.0	↑1.5
2/11 00:10	32.7	↑1.7
2/11 00:20	34.7	↑2.0
2/11 00:30	37.0	↑2.3
2/11 00:40	39.5	↑2.5
2/11 00:50	42.2	↑2.7
2/11 01:00	45.1	↑2.9
2/11 01:10	48.3	↑3.2
2/11 01:20	51.6	↑3.3
2/11 01:30	55.1	↑3.5
2/11 01:40	58.8	↑3.7
2/11 01:50	62.8	↑4.0
2/11 02:00	66.8	↑4.0
2/11 02:10	71.1	↑4.3
2/11 02:20	75.5	↑4.4
2/11 02:30	80.0	↑4.5
2/11 02:40	84.6	↑4.6
2/11 02:50	89.2	↑4.6
2/11 03:00	93.9	↑4.7	最大潮位差
2/11 03:10	98.5	↑4.6
2/11 03:20	103.0	↑4.5
2/11 03:30	107.4	↑4.4
2/11 03:40	111.5	↑4.1
2/11 03:50	115.4	↑3.9
2/11 04:00	119.0	↑3.6
2/11 04:10	122.3	↑3.3
2/11 04:20	125.2	↑2.9
2/11 04:30	127.7	↑2.5
2/11 04:40	129.8	↑2.1
2/11 04:50	131.5	↑1.7
2/11 05:00	132.7	↑1.2
2/11 05:10	133.6	↑0.9
2/11 05:20	134.0	↑0.4	満潮
2/11 05:30	134.0	0
2/11 05:40	133.6	↓-0.4
2/11 05:50	132.9	↓-0.7
2/11 06:00	131.9	↓-1.0
2/11 06:10	130.7	↓-1.2
2/11 06:20	129.1	↓-1.6
2/11 06:30	127.4	↓-1.7
2/11 06:40	125.4	↓-2.0
2/11 06:50	123.2	↓-2.2
2/11 07:00	120.9	↓-2.3
2/11 07:10	118.4	↓-2.5
2/11 07:20	115.8	↓-2.6
2/11 07:30	113.0	↓-2.8
2/11 07:40	110.1	↓-2.9
2/11 07:50	107.0	↓-3.1
2/11 08:00	103.8	↓-3.2
2/11 08:10	100.4	↓-3.4
2/11 08:20	96.9	↓-3.5
2/11 08:30	93.4	↓-3.5
2/11 08:40	89.7	↓-3.7
2/11 08:50	86.0	↓-3.7
2/11 09:00	82.2	↓-3.8
2/11 09:10	78.4	↓-3.8
2/11 09:20	74.7	↓-3.7
2/11 09:30	71.1	↓-3.6
2/11 09:40	67.6	↓-3.5
2/11 09:50	64.2	↓-3.4
2/11 10:00	61.1	↓-3.1
2/11 10:10	58.3	↓-2.8
2/11 10:20	55.7	↓-2.6
2/11 10:30	53.4	↓-2.3
2/11 10:40	51.5	↓-1.9
2/11 10:50	49.9	↓-1.6
2/11 11:00	48.7	↓-1.2
2/11 11:10	47.9	↓-0.8
2/11 11:20	47.5	↓-0.4	干潮
2/11 11:30	47.4	↓-0.1
2/11 11:40	47.6	↑0.2
2/11 11:50	48.1	↑0.5
2/11 12:00	49.0	↑0.9
2/11 12:10	50.1	↑1.1
2/11 12:20	51.4	↑1.3
2/11 12:30	53.0	↑1.6
2/11 12:40	54.8	↑1.8
2/11 12:50	56.7	↑1.9
2/11 13:00	58.8	↑2.1
2/11 13:10	61.1	↑2.3
2/11 13:20	63.5	↑2.4
2/11 13:30	66.1	↑2.6
2/11 13:40	68.8	↑2.7
2/11 13:50	71.7	↑2.9
2/11 14:00	74.7	↑3.0
2/11 14:10	77.8	↑3.1
2/11 14:20	81.1	↑3.3
2/11 14:30	84.5	↑3.4
2/11 14:40	87.9	↑3.4
2/11 14:50	91.5	↑3.6
2/11 15:00	95.1	↑3.6
2/11 15:10	98.7	↑3.6
2/11 15:20	102.3	↑3.6
2/11 15:30	105.9	↑3.6
2/11 15:40	109.3	↑3.4
2/11 15:50	112.6	↑3.3
2/11 16:00	115.8	↑3.2
2/11 16:10	118.6	↑2.8
2/11 16:20	121.2	↑2.6
2/11 16:30	123.5	↑2.3
2/11 16:40	125.4	↑1.9
2/11 16:50	126.9	↑1.5
2/11 17:00	128.1	↑1.2
2/11 17:10	128.8	↑0.7
2/11 17:20	129.2	↑0.4	満潮
2/11 17:30	129.2	0
2/11 17:40	128.8	↓-0.4
2/11 17:50	128.1	↓-0.7
2/11 18:00	127.0	↓-1.1
2/11 18:10	125.6	↓-1.4
2/11 18:20	124.0	↓-1.6
2/11 18:30	122.1	↓-1.9
2/11 18:40	120.0	↓-2.1
2/11 18:50	117.7	↓-2.3
2/11 19:00	115.3	↓-2.4
2/11 19:10	112.7	↓-2.6
2/11 19:20	110.0	↓-2.7
2/11 19:30	107.2	↓-2.8
2/11 19:40	104.2	↓-3.0
2/11 19:50	101.1	↓-3.1
2/11 20:00	98.0	↓-3.1
2/11 20:10	94.7	↓-3.3
2/11 20:20	91.3	↓-3.4
2/11 20:30	87.8	↓-3.5
2/11 20:40	84.3	↓-3.5
2/11 20:50	80.7	↓-3.6
2/11 21:00	77.0	↓-3.7
2/11 21:10	73.2	↓-3.8
2/11 21:20	69.5	↓-3.7
2/11 21:30	65.8	↓-3.7
2/11 21:40	62.2	↓-3.6
2/11 21:50	58.7	↓-3.5
2/11 22:00	55.3	↓-3.4
2/11 22:10	52.1	↓-3.2
2/11 22:20	49.1	↓-3.0
2/11 22:30	46.4	↓-2.7
2/11 22:40	44.0	↓-2.4
2/11 22:50	42.0	↓-2.0
2/11 23:00	40.3	↓-1.7
2/11 23:10	38.9	↓-1.4
2/11 23:20	38.0	↓-0.9
2/11 23:30	37.4	↓-0.6
2/11 23:40	37.2	↓-0.2	干潮
2/11 23:50	37.4	↑0.2