11 (水)	04:33	10:20	16:07	22:46
	139cm	56cm	146cm	13cm
中潮 出 05:43 入 16:59 出 07:51 入 18:35

苫小牧（北海道）2056年10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
10/11 00:00	40.9	↑3.2
10/11 00:10	44.4	↑3.5
10/11 00:20	48.1	↑3.7
10/11 00:30	52.1	↑4.0
10/11 00:40	56.3	↑4.2
10/11 00:50	60.7	↑4.4
10/11 01:00	65.3	↑4.6
10/11 01:10	70.1	↑4.8
10/11 01:20	75.0	↑4.9
10/11 01:30	80.1	↑5.1
10/11 01:40	85.2	↑5.1
10/11 01:50	90.3	↑5.1
10/11 02:00	95.4	↑5.1
10/11 02:10	100.4	↑5.0
10/11 02:20	105.3	↑4.9
10/11 02:30	110.0	↑4.7
10/11 02:40	114.4	↑4.4
10/11 02:50	118.6	↑4.2
10/11 03:00	122.4	↑3.8
10/11 03:10	125.9	↑3.5
10/11 03:20	128.9	↑3.0
10/11 03:30	131.6	↑2.7
10/11 03:40	133.8	↑2.2
10/11 03:50	135.7	↑1.9
10/11 04:00	137.1	↑1.4
10/11 04:10	138.1	↑1.0
10/11 04:20	138.7	↑0.6
10/11 04:30	139.0	↑0.3	満潮
10/11 04:40	138.9	↓-0.1
10/11 04:50	138.5	↓-0.4
10/11 05:00	137.7	↓-0.8
10/11 05:10	136.8	↓-0.9
10/11 05:20	135.5	↓-1.3
10/11 05:30	134.1	↓-1.4
10/11 05:40	132.4	↓-1.7
10/11 05:50	130.5	↓-1.9
10/11 06:00	128.3	↓-2.2
10/11 06:10	126.0	↓-2.3
10/11 06:20	123.5	↓-2.5
10/11 06:30	120.7	↓-2.8
10/11 06:40	117.8	↓-2.9
10/11 06:50	114.6	↓-3.2
10/11 07:00	111.3	↓-3.3
10/11 07:10	107.8	↓-3.5
10/11 07:20	104.2	↓-3.6
10/11 07:30	100.4	↓-3.8
10/11 07:40	96.5	↓-3.9
10/11 07:50	92.6	↓-3.9
10/11 08:00	88.6	↓-4.0
10/11 08:10	84.7	↓-3.9
10/11 08:20	80.8	↓-3.9
10/11 08:30	77.1	↓-3.7
10/11 08:40	73.6	↓-3.5
10/11 08:50	70.2	↓-3.4
10/11 09:00	67.2	↓-3.0
10/11 09:10	64.4	↓-2.8
10/11 09:20	62.0	↓-2.4
10/11 09:30	59.9	↓-2.1
10/11 09:40	58.2	↓-1.7
10/11 09:50	56.9	↓-1.3
10/11 10:00	56.0	↓-0.9
10/11 10:10	55.5	↓-0.5	干潮
10/11 10:20	55.4	↓-0.1	干潮
10/11 10:30	55.6	↑0.2
10/11 10:40	56.1	↑0.5
10/11 10:50	57.0	↑0.9
10/11 11:00	58.2	↑1.2
10/11 11:10	59.6	↑1.4
10/11 11:20	61.3	↑1.7
10/11 11:30	63.3	↑2.0
10/11 11:40	65.4	↑2.1
10/11 11:50	67.8	↑2.4
10/11 12:00	70.3	↑2.5
10/11 12:10	73.0	↑2.7
10/11 12:20	76.0	↑3.0
10/11 12:30	79.1	↑3.1
10/11 12:40	82.3	↑3.2
10/11 12:50	85.8	↑3.5
10/11 13:00	89.4	↑3.6
10/11 13:10	93.1	↑3.7
10/11 13:20	97.0	↑3.9
10/11 13:30	101.0	↑4.0
10/11 13:40	105.1	↑4.1
10/11 13:50	109.2	↑4.1
10/11 14:00	113.3	↑4.1
10/11 14:10	117.3	↑4.0
10/11 14:20	121.3	↑4.0
10/11 14:30	125.1	↑3.8
10/11 14:40	128.7	↑3.6
10/11 14:50	132.1	↑3.4
10/11 15:00	135.1	↑3.0
10/11 15:10	137.8	↑2.7
10/11 15:20	140.2	↑2.4
10/11 15:30	142.1	↑1.9
10/11 15:40	143.5	↑1.4
10/11 15:50	144.5	↑1.0
10/11 16:00	145.0	↑0.5	満潮
10/11 16:10	145.1	↑0.1
10/11 16:20	144.7	↓-0.4
10/11 16:30	143.8	↓-0.9
10/11 16:40	142.6	↓-1.2
10/11 16:50	140.9	↓-1.7
10/11 17:00	138.9	↓-2.0
10/11 17:10	136.6	↓-2.3
10/11 17:20	134.0	↓-2.6
10/11 17:30	131.1	↓-2.9
10/11 17:40	127.9	↓-3.2
10/11 17:50	124.6	↓-3.3
10/11 18:00	121.0	↓-3.6
10/11 18:10	117.2	↓-3.8
10/11 18:20	113.3	↓-3.9
10/11 18:30	109.2	↓-4.1
10/11 18:40	104.9	↓-4.3
10/11 18:50	100.4	↓-4.5
10/11 19:00	95.9	↓-4.5
10/11 19:10	91.1	↓-4.8
10/11 19:20	86.3	↓-4.8
10/11 19:30	81.3	↓-5.0
10/11 19:40	76.2	↓-5.1
10/11 19:50	71.1	↓-5.1
10/11 20:00	65.9	↓-5.2	最大潮位差
10/11 20:10	60.8	↓-5.1
10/11 20:20	55.7	↓-5.1
10/11 20:30	50.6	↓-5.1
10/11 20:40	45.8	↓-4.8
10/11 20:50	41.1	↓-4.7
10/11 21:00	36.6	↓-4.5
10/11 21:10	32.4	↓-4.2
10/11 21:20	28.6	↓-3.8
10/11 21:30	25.1	↓-3.5
10/11 21:40	22.1	↓-3.0
10/11 21:50	19.4	↓-2.7
10/11 22:00	17.2	↓-2.2
10/11 22:10	15.4	↓-1.8
10/11 22:20	14.1	↓-1.3
10/11 22:30	13.3	↓-0.8
10/11 22:40	12.8	↓-0.5	干潮
10/11 22:50	12.8	0
10/11 23:00	13.2	↑0.4
10/11 23:10	13.9	↑0.7
10/11 23:20	15.0	↑1.1
10/11 23:30	16.4	↑1.4
10/11 23:40	18.2	↑1.8
10/11 23:50	20.2	↑2.0