12 (木)	03:55	10:02	16:10	22:16
	131cm	36cm	137cm	39cm
大潮 出 05:52 入 17:37 出 19:09 入 05:57

苫小牧（北海道）2009年03月12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
3/12 00:00	55.6	↑3.8
3/12 00:10	59.6	↑4.0
3/12 00:20	63.8	↑4.2
3/12 00:30	68.2	↑4.4
3/12 00:40	72.8	↑4.6
3/12 00:50	77.4	↑4.6
3/12 01:00	82.1	↑4.7	最大潮位差
3/12 01:10	86.8	↑4.7	最大潮位差
3/12 01:20	91.4	↑4.6
3/12 01:30	96.0	↑4.6
3/12 01:40	100.4	↑4.4
3/12 01:50	104.5	↑4.1
3/12 02:00	108.5	↑4.0
3/12 02:10	112.2	↑3.7
3/12 02:20	115.6	↑3.4
3/12 02:30	118.6	↑3.0
3/12 02:40	121.3	↑2.7
3/12 02:50	123.7	↑2.4
3/12 03:00	125.6	↑1.9
3/12 03:10	127.3	↑1.7
3/12 03:20	128.5	↑1.2
3/12 03:30	129.5	↑1.0
3/12 03:40	130.0	↑0.5
3/12 03:50	130.3	↑0.3	満潮
3/12 04:00	130.3	0
3/12 04:10	130.0	↓-0.3
3/12 04:20	129.4	↓-0.6
3/12 04:30	128.5	↓-0.9
3/12 04:40	127.3	↓-1.2
3/12 04:50	125.9	↓-1.4
3/12 05:00	124.2	↓-1.7
3/12 05:10	122.3	↓-1.9
3/12 05:20	120.1	↓-2.2
3/12 05:30	117.6	↓-2.5
3/12 05:40	114.9	↓-2.7
3/12 05:50	111.9	↓-3.0
3/12 06:00	108.7	↓-3.2
3/12 06:10	105.2	↓-3.5
3/12 06:20	101.5	↓-3.7
3/12 06:30	97.6	↓-3.9
3/12 06:40	93.5	↓-4.1
3/12 06:50	89.3	↓-4.2
3/12 07:00	85.0	↓-4.3
3/12 07:10	80.6	↓-4.4
3/12 07:20	76.2	↓-4.4
3/12 07:30	71.8	↓-4.4
3/12 07:40	67.6	↓-4.2
3/12 07:50	63.4	↓-4.2
3/12 08:00	59.5	↓-3.9
3/12 08:10	55.8	↓-3.7
3/12 08:20	52.3	↓-3.5
3/12 08:30	49.1	↓-3.2
3/12 08:40	46.2	↓-2.9
3/12 08:50	43.6	↓-2.6
3/12 09:00	41.4	↓-2.2
3/12 09:10	39.6	↓-1.8
3/12 09:20	38.1	↓-1.5
3/12 09:30	36.9	↓-1.2
3/12 09:40	36.0	↓-0.9
3/12 09:50	35.5	↓-0.5
3/12 10:00	35.4	↓-0.1	干潮
3/12 10:10	35.5	↑0.1
3/12 10:20	35.9	↑0.4
3/12 10:30	36.6	↑0.7
3/12 10:40	37.6	↑1.0
3/12 10:50	38.9	↑1.3
3/12 11:00	40.4	↑1.5
3/12 11:10	42.3	↑1.9
3/12 11:20	44.4	↑2.1
3/12 11:30	46.8	↑2.4
3/12 11:40	49.4	↑2.6
3/12 11:50	52.4	↑3.0
3/12 12:00	55.6	↑3.2
3/12 12:10	59.2	↑3.6
3/12 12:20	62.9	↑3.7
3/12 12:30	66.9	↑4.0
3/12 12:40	71.2	↑4.3
3/12 12:50	75.5	↑4.3
3/12 13:00	80.1	↑4.6
3/12 13:10	84.7	↑4.6
3/12 13:20	89.4	↑4.7	最大潮位差
3/12 13:30	94.1	↑4.7	最大潮位差
3/12 13:40	98.8	↑4.7	最大潮位差
3/12 13:50	103.3	↑4.5
3/12 14:00	107.7	↑4.4
3/12 14:10	111.9	↑4.2
3/12 14:20	115.9	↑4.0
3/12 14:30	119.6	↑3.7
3/12 14:40	122.9	↑3.3
3/12 14:50	125.9	↑3.0
3/12 15:00	128.6	↑2.7
3/12 15:10	130.9	↑2.3
3/12 15:20	132.8	↑1.9
3/12 15:30	134.4	↑1.6
3/12 15:40	135.5	↑1.1
3/12 15:50	136.3	↑0.8
3/12 16:00	136.8	↑0.5	満潮
3/12 16:10	137.0	↑0.2	満潮
3/12 16:20	136.8	↓-0.2
3/12 16:30	136.3	↓-0.5
3/12 16:40	135.5	↓-0.8
3/12 16:50	134.5	↓-1.0
3/12 17:00	133.2	↓-1.3
3/12 17:10	131.6	↓-1.6
3/12 17:20	129.7	↓-1.9
3/12 17:30	127.5	↓-2.2
3/12 17:40	125.1	↓-2.4
3/12 17:50	122.5	↓-2.6
3/12 18:00	119.5	↓-3.0
3/12 18:10	116.3	↓-3.2
3/12 18:20	112.9	↓-3.4
3/12 18:30	109.2	↓-3.7
3/12 18:40	105.2	↓-4.0
3/12 18:50	101.1	↓-4.1
3/12 19:00	96.8	↓-4.3
3/12 19:10	92.4	↓-4.4
3/12 19:20	87.9	↓-4.5
3/12 19:30	83.3	↓-4.6
3/12 19:40	78.8	↓-4.5
3/12 19:50	74.3	↓-4.5
3/12 20:00	69.9	↓-4.4
3/12 20:10	65.6	↓-4.3
3/12 20:20	61.6	↓-4.0
3/12 20:30	57.8	↓-3.8
3/12 20:40	54.2	↓-3.6
3/12 20:50	51.0	↓-3.2
3/12 21:00	48.2	↓-2.8
3/12 21:10	45.6	↓-2.6
3/12 21:20	43.5	↓-2.1
3/12 21:30	41.7	↓-1.8
3/12 21:40	40.3	↓-1.4
3/12 21:50	39.3	↓-1.0
3/12 22:00	38.6	↓-0.7
3/12 22:10	38.3	↓-0.3	干潮
3/12 22:20	38.3	0
3/12 22:30	38.6	↑0.3
3/12 22:40	39.3	↑0.7
3/12 22:50	40.2	↑0.9
3/12 23:00	41.4	↑1.2
3/12 23:10	42.9	↑1.5
3/12 23:20	44.7	↑1.8
3/12 23:30	46.8	↑2.1
3/12 23:40	49.1	↑2.3
3/12 23:50	51.7	↑2.6