23 (土)	04:50	10:37	16:35	23:17
	140cm	57cm	148cm	21cm
中潮 出 05:22 入 17:31 出 19:18 入 08:27

苫小牧（北海道）2051年09月23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
9/23 00:00	36.4	↑2.6
9/23 00:10	39.2	↑2.8
9/23 00:20	42.3	↑3.1
9/23 00:30	45.6	↑3.3
9/23 00:40	49.2	↑3.6
9/23 00:50	53.1	↑3.9
9/23 01:00	57.2	↑4.1
9/23 01:10	61.5	↑4.3
9/23 01:20	66.1	↑4.6
9/23 01:30	70.8	↑4.7
9/23 01:40	75.7	↑4.9
9/23 01:50	80.7	↑5.0
9/23 02:00	85.9	↑5.2	最大潮位差
9/23 02:10	91.0	↑5.1
9/23 02:20	96.1	↑5.1
9/23 02:30	101.2	↑5.1
9/23 02:40	106.1	↑4.9
9/23 02:50	110.9	↑4.8
9/23 03:00	115.4	↑4.5
9/23 03:10	119.6	↑4.2
9/23 03:20	123.4	↑3.8
9/23 03:30	126.9	↑3.5
9/23 03:40	130.0	↑3.1
9/23 03:50	132.7	↑2.7
9/23 04:00	134.9	↑2.2
9/23 04:10	136.7	↑1.8
9/23 04:20	138.0	↑1.3
9/23 04:30	138.9	↑0.9
9/23 04:40	139.4	↑0.5	満潮
9/23 04:50	139.6	↑0.2	満潮
9/23 05:00	139.3	↓-0.3
9/23 05:10	138.8	↓-0.5
9/23 05:20	138.0	↓-0.8
9/23 05:30	136.8	↓-1.2
9/23 05:40	135.5	↓-1.3
9/23 05:50	133.9	↓-1.6
9/23 06:00	132.1	↓-1.8
9/23 06:10	130.0	↓-2.1
9/23 06:20	127.8	↓-2.2
9/23 06:30	125.4	↓-2.4
9/23 06:40	122.8	↓-2.6
9/23 06:50	120.1	↓-2.7
9/23 07:00	117.1	↓-3.0
9/23 07:10	114.0	↓-3.1
9/23 07:20	110.7	↓-3.3
9/23 07:30	107.3	↓-3.4
9/23 07:40	103.7	↓-3.6
9/23 07:50	100.0	↓-3.7
9/23 08:00	96.2	↓-3.8
9/23 08:10	92.3	↓-3.9
9/23 08:20	88.5	↓-3.8
9/23 08:30	84.7	↓-3.8
9/23 08:40	80.9	↓-3.8
9/23 08:50	77.3	↓-3.6
9/23 09:00	73.8	↓-3.5
9/23 09:10	70.6	↓-3.2
9/23 09:20	67.7	↓-2.9
9/23 09:30	65.0	↓-2.7
9/23 09:40	62.7	↓-2.3
9/23 09:50	60.7	↓-2.0
9/23 10:00	59.2	↓-1.5
9/23 10:10	58.0	↓-1.2
9/23 10:20	57.2	↓-0.8
9/23 10:30	56.8	↓-0.4	干潮
9/23 10:40	56.8	0
9/23 10:50	57.1	↑0.3
9/23 11:00	57.7	↑0.6
9/23 11:10	58.7	↑1.0
9/23 11:20	59.9	↑1.2
9/23 11:30	61.4	↑1.5
9/23 11:40	63.1	↑1.7
9/23 11:50	65.1	↑2.0
9/23 12:00	67.2	↑2.1
9/23 12:10	69.5	↑2.3
9/23 12:20	72.0	↑2.5
9/23 12:30	74.7	↑2.7
9/23 12:40	77.5	↑2.8
9/23 12:50	80.5	↑3.0
9/23 13:00	83.6	↑3.1
9/23 13:10	87.0	↑3.4
9/23 13:20	90.4	↑3.4
9/23 13:30	94.1	↑3.7
9/23 13:40	97.8	↑3.7
9/23 13:50	101.7	↑3.9
9/23 14:00	105.7	↑4.0
9/23 14:10	109.7	↑4.0
9/23 14:20	113.7	↑4.0
9/23 14:30	117.8	↑4.1
9/23 14:40	121.7	↑3.9
9/23 14:50	125.6	↑3.9
9/23 15:00	129.3	↑3.7
9/23 15:10	132.7	↑3.4
9/23 15:20	135.9	↑3.2
9/23 15:30	138.8	↑2.9
9/23 15:40	141.3	↑2.5
9/23 15:50	143.4	↑2.1
9/23 16:00	145.1	↑1.7
9/23 16:10	146.4	↑1.3
9/23 16:20	147.2	↑0.8
9/23 16:30	147.6	↑0.4	満潮
9/23 16:40	147.5	↓-0.1
9/23 16:50	147.0	↓-0.5
9/23 17:00	146.1	↓-0.9
9/23 17:10	144.9	↓-1.2
9/23 17:20	143.3	↓-1.6
9/23 17:30	141.4	↓-1.9
9/23 17:40	139.1	↓-2.3
9/23 17:50	136.7	↓-2.4
9/23 18:00	134.0	↓-2.7
9/23 18:10	131.0	↓-3.0
9/23 18:20	127.9	↓-3.1
9/23 18:30	124.6	↓-3.3
9/23 18:40	121.1	↓-3.5
9/23 18:50	117.4	↓-3.7
9/23 19:00	113.5	↓-3.9
9/23 19:10	109.5	↓-4.0
9/23 19:20	105.3	↓-4.2
9/23 19:30	100.9	↓-4.4
9/23 19:40	96.4	↓-4.5
9/23 19:50	91.7	↓-4.7
9/23 20:00	86.9	↓-4.8
9/23 20:10	82.0	↓-4.9
9/23 20:20	77.0	↓-5.0
9/23 20:30	72.0	↓-5.0
9/23 20:40	67.0	↓-5.0
9/23 20:50	62.0	↓-5.0
9/23 21:00	57.1	↓-4.9
9/23 21:10	52.3	↓-4.8
9/23 21:20	47.7	↓-4.6
9/23 21:30	43.4	↓-4.3
9/23 21:40	39.3	↓-4.1
9/23 21:50	35.6	↓-3.7
9/23 22:00	32.2	↓-3.4
9/23 22:10	29.3	↓-2.9
9/23 22:20	26.7	↓-2.6
9/23 22:30	24.6	↓-2.1
9/23 22:40	22.9	↓-1.7
9/23 22:50	21.7	↓-1.2
9/23 23:00	20.8	↓-0.9
9/23 23:10	20.4	↓-0.4	干潮
9/23 23:20	20.4	0
9/23 23:30	20.8	↑0.4
9/23 23:40	21.5	↑0.7
9/23 23:50	22.5	↑1.0