9 (月)	03:00	09:14	15:16	21:31
	140cm	37cm	137cm	33cm
大潮 出 05:40 入 17:02 出 05:18 入 17:27

苫小牧（北海道）2056年10月9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
10/9 00:00	88.9	↑4.0
10/9 00:10	93.1	↑4.2
10/9 00:20	97.3	↑4.2
10/9 00:30	101.5	↑4.2
10/9 00:40	105.7	↑4.2
10/9 00:50	109.9	↑4.2
10/9 01:00	113.9	↑4.0
10/9 01:10	117.7	↑3.8
10/9 01:20	121.3	↑3.6
10/9 01:30	124.6	↑3.3
10/9 01:40	127.7	↑3.1
10/9 01:50	130.4	↑2.7
10/9 02:00	132.8	↑2.4
10/9 02:10	134.8	↑2.0
10/9 02:20	136.5	↑1.7
10/9 02:30	137.7	↑1.2
10/9 02:40	138.6	↑0.9
10/9 02:50	139.1	↑0.5	満潮
10/9 03:00	139.3	↑0.2	満潮
10/9 03:10	139.1	↓-0.2
10/9 03:20	138.6	↓-0.5
10/9 03:30	137.7	↓-0.9
10/9 03:40	136.6	↓-1.1
10/9 03:50	135.3	↓-1.3
10/9 04:00	133.6	↓-1.7
10/9 04:10	131.7	↓-1.9
10/9 04:20	129.6	↓-2.1
10/9 04:30	127.2	↓-2.4
10/9 04:40	124.6	↓-2.6
10/9 04:50	121.7	↓-2.9
10/9 05:00	118.7	↓-3.0
10/9 05:10	115.4	↓-3.3
10/9 05:20	111.9	↓-3.5
10/9 05:30	108.1	↓-3.8
10/9 05:40	104.2	↓-3.9
10/9 05:50	100.1	↓-4.1
10/9 06:00	95.9	↓-4.2
10/9 06:10	91.5	↓-4.4
10/9 06:20	87.0	↓-4.5
10/9 06:30	82.5	↓-4.5
10/9 06:40	78.0	↓-4.5
10/9 06:50	73.5	↓-4.5
10/9 07:00	69.0	↓-4.5
10/9 07:10	64.7	↓-4.3
10/9 07:20	60.6	↓-4.1
10/9 07:30	56.8	↓-3.8
10/9 07:40	53.1	↓-3.7
10/9 07:50	49.8	↓-3.3
10/9 08:00	46.9	↓-2.9
10/9 08:10	44.3	↓-2.6
10/9 08:20	42.0	↓-2.3
10/9 08:30	40.2	↓-1.8
10/9 08:40	38.7	↓-1.5
10/9 08:50	37.7	↓-1.0
10/9 09:00	37.0	↓-0.7
10/9 09:10	36.8	↓-0.2	干潮
10/9 09:20	36.8	0
10/9 09:30	37.3	↑0.5
10/9 09:40	38.0	↑0.7
10/9 09:50	39.1	↑1.1
10/9 10:00	40.4	↑1.3
10/9 10:10	42.0	↑1.6
10/9 10:20	43.9	↑1.9
10/9 10:30	46.1	↑2.2
10/9 10:40	48.5	↑2.4
10/9 10:50	51.1	↑2.6
10/9 11:00	54.0	↑2.9
10/9 11:10	57.1	↑3.1
10/9 11:20	60.5	↑3.4
10/9 11:30	64.0	↑3.5
10/9 11:40	67.8	↑3.8
10/9 11:50	71.8	↑4.0
10/9 12:00	75.9	↑4.1
10/9 12:10	80.2	↑4.3
10/9 12:20	84.6	↑4.4
10/9 12:30	89.1	↑4.5
10/9 12:40	93.7	↑4.6	最大潮位差
10/9 12:50	98.2	↑4.5
10/9 13:00	102.7	↑4.5
10/9 13:10	107.1	↑4.4
10/9 13:20	111.3	↑4.2
10/9 13:30	115.3	↑4.0
10/9 13:40	119.1	↑3.8
10/9 13:50	122.5	↑3.4
10/9 14:00	125.7	↑3.2
10/9 14:10	128.4	↑2.7
10/9 14:20	130.8	↑2.4
10/9 14:30	132.8	↑2.0
10/9 14:40	134.4	↑1.6
10/9 14:50	135.5	↑1.1
10/9 15:00	136.3	↑0.8
10/9 15:10	136.6	↑0.3	満潮
10/9 15:20	136.6	0
10/9 15:30	136.3	↓-0.3
10/9 15:40	135.5	↓-0.8
10/9 15:50	134.5	↓-1.0
10/9 16:00	133.2	↓-1.3
10/9 16:10	131.6	↓-1.6
10/9 16:20	129.7	↓-1.9
10/9 16:30	127.6	↓-2.1
10/9 16:40	125.3	↓-2.3
10/9 16:50	122.7	↓-2.6
10/9 17:00	119.9	↓-2.8
10/9 17:10	116.9	↓-3.0
10/9 17:20	113.7	↓-3.2
10/9 17:30	110.3	↓-3.4
10/9 17:40	106.7	↓-3.6
10/9 17:50	102.9	↓-3.8
10/9 18:00	98.9	↓-4.0
10/9 18:10	94.8	↓-4.1
10/9 18:20	90.5	↓-4.3
10/9 18:30	86.0	↓-4.5
10/9 18:40	81.6	↓-4.4
10/9 18:50	77.0	↓-4.6	最大潮位差
10/9 19:00	72.5	↓-4.5
10/9 19:10	68.0	↓-4.5
10/9 19:20	63.6	↓-4.4
10/9 19:30	59.3	↓-4.3
10/9 19:40	55.2	↓-4.1
10/9 19:50	51.4	↓-3.8
10/9 20:00	47.8	↓-3.6
10/9 20:10	44.6	↓-3.2
10/9 20:20	41.6	↓-3.0
10/9 20:30	39.1	↓-2.5
10/9 20:40	36.9	↓-2.2
10/9 20:50	35.2	↓-1.7
10/9 21:00	33.8	↓-1.4
10/9 21:10	32.9	↓-0.9
10/9 21:20	32.3	↓-0.6
10/9 21:30	32.1	↓-0.2	干潮
10/9 21:40	32.3	↑0.2
10/9 21:50	32.8	↑0.5
10/9 22:00	33.6	↑0.8
10/9 22:10	34.8	↑1.2
10/9 22:20	36.2	↑1.4
10/9 22:30	37.9	↑1.7
10/9 22:40	39.9	↑2.0
10/9 22:50	42.1	↑2.2
10/9 23:00	44.6	↑2.5
10/9 23:10	47.3	↑2.7
10/9 23:20	50.3	↑3.0
10/9 23:30	53.5	↑3.2
10/9 23:40	57.0	↑3.5
10/9 23:50	60.7	↑3.7