13 (金)	05:25	11:35	17:33	23:40
	136cm	43cm	131cm	43cm
中潮 出 06:34 入 17:04 出 21:31 入 07:56

苫小牧（北海道）2009年02月13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
2/13 00:00	32.8	↑1.3
2/13 00:10	34.4	↑1.6
2/13 00:20	36.2	↑1.8
2/13 00:30	38.4	↑2.2
2/13 00:40	40.8	↑2.4
2/13 00:50	43.5	↑2.7
2/13 01:00	46.4	↑2.9
2/13 01:10	49.6	↑3.2
2/13 01:20	53.1	↑3.5
2/13 01:30	56.9	↑3.8
2/13 01:40	60.9	↑4.0
2/13 01:50	65.1	↑4.2
2/13 02:00	69.5	↑4.4
2/13 02:10	74.1	↑4.6
2/13 02:20	78.8	↑4.7
2/13 02:30	83.6	↑4.8
2/13 02:40	88.5	↑4.9	最大潮位差
2/13 02:50	93.3	↑4.8
2/13 03:00	98.1	↑4.8
2/13 03:10	102.7	↑4.6
2/13 03:20	107.2	↑4.5
2/13 03:30	111.5	↑4.3
2/13 03:40	115.5	↑4.0
2/13 03:50	119.2	↑3.7
2/13 04:00	122.5	↑3.3
2/13 04:10	125.5	↑3.0
2/13 04:20	128.1	↑2.6
2/13 04:30	130.3	↑2.2
2/13 04:40	132.1	↑1.8
2/13 04:50	133.6	↑1.5
2/13 05:00	134.6	↑1.0
2/13 05:10	135.3	↑0.7
2/13 05:20	135.6	↑0.3	満潮
2/13 05:30	135.5	↓-0.1
2/13 05:40	135.2	↓-0.3
2/13 05:50	134.6	↓-0.6
2/13 06:00	133.6	↓-1.0
2/13 06:10	132.5	↓-1.1
2/13 06:20	131.0	↓-1.5
2/13 06:30	129.4	↓-1.6
2/13 06:40	127.5	↓-1.9
2/13 06:50	125.3	↓-2.2
2/13 07:00	123.0	↓-2.3
2/13 07:10	120.4	↓-2.6
2/13 07:20	117.6	↓-2.8
2/13 07:30	114.6	↓-3.0
2/13 07:40	111.3	↓-3.3
2/13 07:50	107.9	↓-3.4
2/13 08:00	104.2	↓-3.7
2/13 08:10	100.4	↓-3.8
2/13 08:20	96.4	↓-4.0
2/13 08:30	92.3	↓-4.1
2/13 08:40	88.2	↓-4.1
2/13 08:50	83.9	↓-4.3
2/13 09:00	79.7	↓-4.2
2/13 09:10	75.6	↓-4.1
2/13 09:20	71.5	↓-4.1
2/13 09:30	67.5	↓-4.0
2/13 09:40	63.8	↓-3.7
2/13 09:50	60.3	↓-3.5
2/13 10:00	57.0	↓-3.3
2/13 10:10	54.1	↓-2.9
2/13 10:20	51.4	↓-2.7
2/13 10:30	49.1	↓-2.3
2/13 10:40	47.1	↓-2.0
2/13 10:50	45.5	↓-1.6
2/13 11:00	44.3	↓-1.2
2/13 11:10	43.3	↓-1.0
2/13 11:20	42.8	↓-0.5
2/13 11:30	42.5	↓-0.3	干潮
2/13 11:40	42.5	0
2/13 11:50	42.8	↑0.3
2/13 12:00	43.4	↑0.6
2/13 12:10	44.3	↑0.9
2/13 12:20	45.4	↑1.1
2/13 12:30	46.7	↑1.3
2/13 12:40	48.3	↑1.6
2/13 12:50	50.1	↑1.8
2/13 13:00	52.1	↑2.0
2/13 13:10	54.4	↑2.3
2/13 13:20	56.9	↑2.5
2/13 13:30	59.6	↑2.7
2/13 13:40	62.6	↑3.0
2/13 13:50	65.7	↑3.1
2/13 14:00	69.1	↑3.4
2/13 14:10	72.7	↑3.6
2/13 14:20	76.4	↑3.7
2/13 14:30	80.3	↑3.9
2/13 14:40	84.4	↑4.1
2/13 14:50	88.5	↑4.1
2/13 15:00	92.6	↑4.1
2/13 15:10	96.7	↑4.1
2/13 15:20	100.7	↑4.0
2/13 15:30	104.7	↑4.0
2/13 15:40	108.5	↑3.8
2/13 15:50	112.0	↑3.5
2/13 16:00	115.4	↑3.4
2/13 16:10	118.4	↑3.0
2/13 16:20	121.1	↑2.7
2/13 16:30	123.5	↑2.4
2/13 16:40	125.5	↑2.0
2/13 16:50	127.2	↑1.7
2/13 17:00	128.5	↑1.3
2/13 17:10	129.4	↑0.9
2/13 17:20	129.9	↑0.5
2/13 17:30	130.2	↑0.3	満潮
2/13 17:40	130.1	↓-0.1
2/13 17:50	129.7	↓-0.4
2/13 18:00	129.0	↓-0.7
2/13 18:10	128.1	↓-0.9
2/13 18:20	126.9	↓-1.2
2/13 18:30	125.5	↓-1.4
2/13 18:40	123.9	↓-1.6
2/13 18:50	122.0	↓-1.9
2/13 19:00	120.0	↓-2.0
2/13 19:10	117.8	↓-2.2
2/13 19:20	115.4	↓-2.4
2/13 19:30	112.8	↓-2.6
2/13 19:40	110.0	↓-2.8
2/13 19:50	107.0	↓-3.0
2/13 20:00	103.9	↓-3.1
2/13 20:10	100.5	↓-3.4
2/13 20:20	97.0	↓-3.5
2/13 20:30	93.4	↓-3.6
2/13 20:40	89.6	↓-3.8
2/13 20:50	85.8	↓-3.8
2/13 21:00	81.8	↓-4.0
2/13 21:10	77.9	↓-3.9
2/13 21:20	74.0	↓-3.9
2/13 21:30	70.1	↓-3.9
2/13 21:40	66.4	↓-3.7
2/13 21:50	62.8	↓-3.6
2/13 22:00	59.4	↓-3.4
2/13 22:10	56.3	↓-3.1
2/13 22:20	53.4	↓-2.9
2/13 22:30	50.8	↓-2.6
2/13 22:40	48.6	↓-2.2
2/13 22:50	46.7	↓-1.9
2/13 23:00	45.2	↓-1.5
2/13 23:10	44.0	↓-1.2
2/13 23:20	43.2	↓-0.8
2/13 23:30	42.7	↓-0.5	干潮
2/13 23:40	42.6	↓-0.1	干潮
2/13 23:50	42.8	↑0.2