1 (月)	03:44	09:29	15:25	22:03
	137cm	58cm	143cm	26cm
大潮 出 05:31 入 17:17 出 17:30 入 06:25

苫小牧（北海道）2012年10月1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
10/1 00:00	65.2	↑4.3
10/1 00:10	69.6	↑4.4
10/1 00:20	74.2	↑4.6
10/1 00:30	78.9	↑4.7
10/1 00:40	83.7	↑4.8
10/1 00:50	88.5	↑4.8
10/1 01:00	93.3	↑4.8
10/1 01:10	98.1	↑4.8
10/1 01:20	102.7	↑4.6
10/1 01:30	107.1	↑4.4
10/1 01:40	111.3	↑4.2
10/1 01:50	115.2	↑3.9
10/1 02:00	118.9	↑3.7
10/1 02:10	122.2	↑3.3
10/1 02:20	125.2	↑3.0
10/1 02:30	127.8	↑2.6
10/1 02:40	130.0	↑2.2
10/1 02:50	131.9	↑1.9
10/1 03:00	133.4	↑1.5
10/1 03:10	134.6	↑1.2
10/1 03:20	135.5	↑0.9
10/1 03:30	136.0	↑0.5
10/1 03:40	136.2	↑0.2	満潮
10/1 03:50	136.2	0
10/1 04:00	135.8	↓-0.4
10/1 04:10	135.3	↓-0.5
10/1 04:20	134.4	↓-0.9
10/1 04:30	133.3	↓-1.1
10/1 04:40	132.0	↓-1.3
10/1 04:50	130.4	↓-1.6
10/1 05:00	128.6	↓-1.8
10/1 05:10	126.6	↓-2.0
10/1 05:20	124.3	↓-2.3
10/1 05:30	121.8	↓-2.5
10/1 05:40	119.0	↓-2.8
10/1 05:50	116.0	↓-3.0
10/1 06:00	112.8	↓-3.2
10/1 06:10	109.4	↓-3.4
10/1 06:20	105.9	↓-3.5
10/1 06:30	102.2	↓-3.7
10/1 06:40	98.4	↓-3.8
10/1 06:50	94.6	↓-3.8
10/1 07:00	90.8	↓-3.8
10/1 07:10	87.0	↓-3.8
10/1 07:20	83.2	↓-3.8
10/1 07:30	79.6	↓-3.6
10/1 07:40	76.2	↓-3.4
10/1 07:50	73.0	↓-3.2
10/1 08:00	70.1	↓-2.9
10/1 08:10	67.4	↓-2.7
10/1 08:20	65.0	↓-2.4
10/1 08:30	63.0	↓-2.0
10/1 08:40	61.3	↓-1.7
10/1 08:50	59.9	↓-1.4
10/1 09:00	58.9	↓-1.0
10/1 09:10	58.2	↓-0.7
10/1 09:20	57.8	↓-0.4	干潮
10/1 09:30	57.7	↓-0.1
10/1 09:40	57.9	↑0.2
10/1 09:50	58.4	↑0.5
10/1 10:00	59.1	↑0.7
10/1 10:10	60.1	↑1.0
10/1 10:20	61.3	↑1.2
10/1 10:30	62.7	↑1.4
10/1 10:40	64.3	↑1.6
10/1 10:50	66.2	↑1.9
10/1 11:00	68.2	↑2.0
10/1 11:10	70.5	↑2.3
10/1 11:20	73.0	↑2.5
10/1 11:30	75.7	↑2.7
10/1 11:40	78.6	↑2.9
10/1 11:50	81.7	↑3.1
10/1 12:00	85.0	↑3.3
10/1 12:10	88.5	↑3.5
10/1 12:20	92.2	↑3.7
10/1 12:30	96.0	↑3.8
10/1 12:40	99.9	↑3.9
10/1 12:50	103.9	↑4.0
10/1 13:00	107.9	↑4.0
10/1 13:10	111.9	↑4.0
10/1 13:20	115.8	↑3.9
10/1 13:30	119.6	↑3.8
10/1 13:40	123.2	↑3.6
10/1 13:50	126.6	↑3.4
10/1 14:00	129.8	↑3.2
10/1 14:10	132.7	↑2.9
10/1 14:20	135.2	↑2.5
10/1 14:30	137.4	↑2.2
10/1 14:40	139.3	↑1.9
10/1 14:50	140.7	↑1.4
10/1 15:00	141.8	↑1.1
10/1 15:10	142.5	↑0.7
10/1 15:20	142.8	↑0.3	満潮
10/1 15:30	142.8	0
10/1 15:40	142.4	↓-0.4
10/1 15:50	141.7	↓-0.7
10/1 16:00	140.8	↓-0.9
10/1 16:10	139.5	↓-1.3
10/1 16:20	138.0	↓-1.5
10/1 16:30	136.2	↓-1.8
10/1 16:40	134.1	↓-2.1
10/1 16:50	131.9	↓-2.2
10/1 17:00	129.3	↓-2.6
10/1 17:10	126.6	↓-2.7
10/1 17:20	123.6	↓-3.0
10/1 17:30	120.4	↓-3.2
10/1 17:40	116.9	↓-3.5
10/1 17:50	113.3	↓-3.6
10/1 18:00	109.3	↓-4.0
10/1 18:10	105.2	↓-4.1
10/1 18:20	100.8	↓-4.4
10/1 18:30	96.3	↓-4.5
10/1 18:40	91.6	↓-4.7
10/1 18:50	86.7	↓-4.9
10/1 19:00	81.8	↓-4.9
10/1 19:10	76.8	↓-5.0	最大潮位差
10/1 19:20	71.8	↓-5.0	最大潮位差
10/1 19:30	66.8	↓-5.0	最大潮位差
10/1 19:40	62.0	↓-4.8
10/1 19:50	57.3	↓-4.7
10/1 20:00	52.8	↓-4.5
10/1 20:10	48.5	↓-4.3
10/1 20:20	44.5	↓-4.0
10/1 20:30	40.9	↓-3.6
10/1 20:40	37.6	↓-3.3
10/1 20:50	34.7	↓-2.9
10/1 21:00	32.1	↓-2.6
10/1 21:10	30.0	↓-2.1
10/1 21:20	28.2	↓-1.8
10/1 21:30	26.9	↓-1.3
10/1 21:40	25.9	↓-1.0
10/1 21:50	25.4	↓-0.5
10/1 22:00	25.1	↓-0.3	干潮
10/1 22:10	25.2	↑0.1
10/1 22:20	25.7	↑0.5
10/1 22:30	26.5	↑0.8
10/1 22:40	27.5	↑1.0
10/1 22:50	28.9	↑1.4
10/1 23:00	30.6	↑1.7
10/1 23:10	32.5	↑1.9
10/1 23:20	34.8	↑2.3
10/1 23:30	37.3	↑2.5
10/1 23:40	40.1	↑2.8
10/1 23:50	43.2	↑3.1