1 (月)	05:14	10:29	16:15	23:03
	130cm	67cm	149cm	13cm
中潮 出 06:48 入 16:48 出 19:32 入 07:35

苫小牧（北海道）2010年02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
2/1 00:00	16.3	↑2.9
2/1 00:10	19.6	↑3.3
2/1 00:20	23.2	↑3.6
2/1 00:30	27.1	↑3.9
2/1 00:40	31.3	↑4.2
2/1 00:50	35.8	↑4.5
2/1 01:00	40.6	↑4.8
2/1 01:10	45.6	↑5.0
2/1 01:20	50.8	↑5.2
2/1 01:30	56.2	↑5.4
2/1 01:40	61.6	↑5.4
2/1 01:50	67.1	↑5.5
2/1 02:00	72.7	↑5.6	最大潮位差
2/1 02:10	78.2	↑5.5
2/1 02:20	83.5	↑5.3
2/1 02:30	88.7	↑5.2
2/1 02:40	93.8	↑5.1
2/1 02:50	98.5	↑4.7
2/1 03:00	103.0	↑4.5
2/1 03:10	107.1	↑4.1
2/1 03:20	110.9	↑3.8
2/1 03:30	114.4	↑3.5
2/1 03:40	117.5	↑3.1
2/1 03:50	120.2	↑2.7
2/1 04:00	122.6	↑2.4
2/1 04:10	124.6	↑2.0
2/1 04:20	126.2	↑1.6
2/1 04:30	127.6	↑1.4
2/1 04:40	128.6	↑1.0
2/1 04:50	129.3	↑0.7
2/1 05:00	129.8	↑0.5
2/1 05:10	130.0	↑0.2	満潮
2/1 05:20	129.9	↓-0.1
2/1 05:30	129.6	↓-0.3
2/1 05:40	129.1	↓-0.5
2/1 05:50	128.3	↓-0.8
2/1 06:00	127.2	↓-1.1
2/1 06:10	125.9	↓-1.3
2/1 06:20	124.3	↓-1.6
2/1 06:30	122.5	↓-1.8
2/1 06:40	120.5	↓-2.0
2/1 06:50	118.2	↓-2.3
2/1 07:00	115.6	↓-2.6
2/1 07:10	112.9	↓-2.7
2/1 07:20	109.9	↓-3.0
2/1 07:30	106.8	↓-3.1
2/1 07:40	103.5	↓-3.3
2/1 07:50	100.1	↓-3.4
2/1 08:00	96.7	↓-3.4
2/1 08:10	93.3	↓-3.4
2/1 08:20	89.9	↓-3.4
2/1 08:30	86.6	↓-3.3
2/1 08:40	83.5	↓-3.1
2/1 08:50	80.5	↓-3.0
2/1 09:00	77.7	↓-2.8
2/1 09:10	75.2	↓-2.5
2/1 09:20	73.0	↓-2.2
2/1 09:30	71.1	↓-1.9
2/1 09:40	69.5	↓-1.6
2/1 09:50	68.1	↓-1.4
2/1 10:00	67.2	↓-0.9
2/1 10:10	66.5	↓-0.7
2/1 10:20	66.1	↓-0.4	干潮
2/1 10:30	66.1	0
2/1 10:40	66.3	↑0.2
2/1 10:50	66.7	↑0.4
2/1 11:00	67.4	↑0.7
2/1 11:10	68.4	↑1.0
2/1 11:20	69.6	↑1.2
2/1 11:30	71.0	↑1.4
2/1 11:40	72.6	↑1.6
2/1 11:50	74.4	↑1.8
2/1 12:00	76.4	↑2.0
2/1 12:10	78.6	↑2.2
2/1 12:20	81.1	↑2.5
2/1 12:30	83.7	↑2.6
2/1 12:40	86.6	↑2.9
2/1 12:50	89.7	↑3.1
2/1 13:00	93.0	↑3.3
2/1 13:10	96.4	↑3.4
2/1 13:20	100.0	↑3.6
2/1 13:30	103.8	↑3.8
2/1 13:40	107.7	↑3.9
2/1 13:50	111.6	↑3.9
2/1 14:00	115.6	↑4.0
2/1 14:10	119.5	↑3.9
2/1 14:20	123.4	↑3.9
2/1 14:30	127.1	↑3.7
2/1 14:40	130.6	↑3.5
2/1 14:50	134.0	↑3.4
2/1 15:00	137.0	↑3.0
2/1 15:10	139.8	↑2.8
2/1 15:20	142.1	↑2.3
2/1 15:30	144.1	↑2.0
2/1 15:40	145.7	↑1.6
2/1 15:50	146.9	↑1.2
2/1 16:00	147.7	↑0.8
2/1 16:10	148.1	↑0.4	満潮
2/1 16:20	148.0	↓-0.1
2/1 16:30	147.6	↓-0.4
2/1 16:40	146.8	↓-0.8
2/1 16:50	145.6	↓-1.2
2/1 17:00	144.1	↓-1.5
2/1 17:10	142.3	↓-1.8
2/1 17:20	140.2	↓-2.1
2/1 17:30	137.8	↓-2.4
2/1 17:40	135.1	↓-2.7
2/1 17:50	132.2	↓-2.9
2/1 18:00	129.1	↓-3.1
2/1 18:10	125.7	↓-3.4
2/1 18:20	122.1	↓-3.6
2/1 18:30	118.2	↓-3.9
2/1 18:40	114.1	↓-4.1
2/1 18:50	109.8	↓-4.3
2/1 19:00	105.3	↓-4.5
2/1 19:10	100.5	↓-4.8
2/1 19:20	95.6	↓-4.9
2/1 19:30	90.4	↓-5.2
2/1 19:40	85.2	↓-5.2
2/1 19:50	79.8	↓-5.4
2/1 20:00	74.3	↓-5.5
2/1 20:10	68.8	↓-5.5
2/1 20:20	63.4	↓-5.4
2/1 20:30	58.0	↓-5.4
2/1 20:40	52.7	↓-5.3
2/1 20:50	47.5	↓-5.2
2/1 21:00	42.6	↓-4.9
2/1 21:10	38.0	↓-4.6
2/1 21:20	33.7	↓-4.3
2/1 21:30	29.7	↓-4.0
2/1 21:40	26.1	↓-3.6
2/1 21:50	22.9	↓-3.2
2/1 22:00	20.1	↓-2.8
2/1 22:10	17.8	↓-2.3
2/1 22:20	15.9	↓-1.9
2/1 22:30	14.4	↓-1.5
2/1 22:40	13.3	↓-1.1
2/1 22:50	12.6	↓-0.7
2/1 23:00	12.4	↓-0.2	干潮
2/1 23:10	12.5	↑0.1
2/1 23:20	13.0	↑0.5
2/1 23:30	13.8	↑0.8
2/1 23:40	14.9	↑1.1
2/1 23:50	16.4	↑1.5