1 (日)	06:31	00:12	18:53	13:00
	133cm	43cm	112cm	48cm
小潮 出 06:48 入 16:48 出 09:06 入 23:07

苫小牧（北海道）2009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	42.8	↓-0.6
2/1 00:10	42.6	↓-0.2	干潮
2/1 00:20	42.8	↑0.2
2/1 00:30	43.3	↑0.5
2/1 00:40	44.1	↑0.8
2/1 00:50	45.1	↑1.0
2/1 01:00	46.5	↑1.4
2/1 01:10	48.1	↑1.6
2/1 01:20	50.0	↑1.9
2/1 01:30	52.1	↑2.1
2/1 01:40	54.3	↑2.2
2/1 01:50	56.8	↑2.5
2/1 02:00	59.4	↑2.6
2/1 02:10	62.1	↑2.7
2/1 02:20	64.9	↑2.8
2/1 02:30	67.9	↑3.0
2/1 02:40	71.0	↑3.1
2/1 02:50	74.2	↑3.2
2/1 03:00	77.4	↑3.2
2/1 03:10	80.8	↑3.4
2/1 03:20	84.3	↑3.5
2/1 03:30	87.8	↑3.5
2/1 03:40	91.3	↑3.5
2/1 03:50	94.9	↑3.6	最大潮位差
2/1 04:00	98.5	↑3.6	最大潮位差
2/1 04:10	102.1	↑3.6	最大潮位差
2/1 04:20	105.6	↑3.5
2/1 04:30	109.1	↑3.5
2/1 04:40	112.4	↑3.3
2/1 04:50	115.6	↑3.2
2/1 05:00	118.7	↑3.1
2/1 05:10	121.5	↑2.8
2/1 05:20	124.0	↑2.5
2/1 05:30	126.2	↑2.2
2/1 05:40	128.2	↑2.0
2/1 05:50	129.8	↑1.6
2/1 06:00	131.0	↑1.2
2/1 06:10	131.9	↑0.9
2/1 06:20	132.4	↑0.5
2/1 06:30	132.6	↑0.2	満潮
2/1 06:40	132.4	↓-0.2
2/1 06:50	131.9	↓-0.5
2/1 07:00	131.1	↓-0.8
2/1 07:10	130.0	↓-1.1
2/1 07:20	128.6	↓-1.4
2/1 07:30	127.0	↓-1.6
2/1 07:40	125.2	↓-1.8
2/1 07:50	123.2	↓-2.0
2/1 08:00	121.0	↓-2.2
2/1 08:10	118.6	↓-2.4
2/1 08:20	116.2	↓-2.4
2/1 08:30	113.6	↓-2.6
2/1 08:40	110.9	↓-2.7
2/1 08:50	108.1	↓-2.8
2/1 09:00	105.2	↓-2.9
2/1 09:10	102.2	↓-3.0
2/1 09:20	99.2	↓-3.0
2/1 09:30	96.0	↓-3.2
2/1 09:40	92.8	↓-3.2
2/1 09:50	89.6	↓-3.2
2/1 10:00	86.3	↓-3.3
2/1 10:10	83.0	↓-3.3
2/1 10:20	79.6	↓-3.4
2/1 10:30	76.3	↓-3.3
2/1 10:40	73.1	↓-3.2
2/1 10:50	69.9	↓-3.2
2/1 11:00	66.8	↓-3.1
2/1 11:10	63.8	↓-3.0
2/1 11:20	61.0	↓-2.8
2/1 11:30	58.4	↓-2.6
2/1 11:40	56.1	↓-2.3
2/1 11:50	53.9	↓-2.2
2/1 12:00	52.1	↓-1.8
2/1 12:10	50.5	↓-1.6
2/1 12:20	49.2	↓-1.3
2/1 12:30	48.3	↓-0.9
2/1 12:40	47.6	↓-0.7
2/1 12:50	47.2	↓-0.4	干潮
2/1 13:00	47.1	↓-0.1	干潮
2/1 13:10	47.3	↑0.2
2/1 13:20	47.7	↑0.4
2/1 13:30	48.3	↑0.6
2/1 13:40	49.2	↑0.9
2/1 13:50	50.3	↑1.1
2/1 14:00	51.6	↑1.3
2/1 14:10	53.0	↑1.4
2/1 14:20	54.7	↑1.7
2/1 14:30	56.4	↑1.7
2/1 14:40	58.3	↑1.9
2/1 14:50	60.3	↑2.0
2/1 15:00	62.5	↑2.2
2/1 15:10	64.7	↑2.2
2/1 15:20	67.1	↑2.4
2/1 15:30	69.6	↑2.5
2/1 15:40	72.2	↑2.6
2/1 15:50	74.9	↑2.7
2/1 16:00	77.6	↑2.7
2/1 16:10	80.5	↑2.9
2/1 16:20	83.3	↑2.8
2/1 16:30	86.2	↑2.9
2/1 16:40	89.1	↑2.9
2/1 16:50	91.9	↑2.8
2/1 17:00	94.7	↑2.8
2/1 17:10	97.3	↑2.6
2/1 17:20	99.9	↑2.6
2/1 17:30	102.2	↑2.3
2/1 17:40	104.4	↑2.2
2/1 17:50	106.3	↑1.9
2/1 18:00	108.0	↑1.7
2/1 18:10	109.3	↑1.3
2/1 18:20	110.4	↑1.1
2/1 18:30	111.2	↑0.8
2/1 18:40	111.7	↑0.5
2/1 18:50	111.9	↑0.2	満潮
2/1 19:00	111.8	↓-0.1
2/1 19:10	111.5	↓-0.3
2/1 19:20	110.8	↓-0.7
2/1 19:30	110.0	↓-0.8
2/1 19:40	108.9	↓-1.1
2/1 19:50	107.6	↓-1.3
2/1 20:00	106.2	↓-1.4
2/1 20:10	104.6	↓-1.6
2/1 20:20	102.9	↓-1.7
2/1 20:30	101.1	↓-1.8
2/1 20:40	99.2	↓-1.9
2/1 20:50	97.2	↓-2.0
2/1 21:00	95.2	↓-2.0
2/1 21:10	93.1	↓-2.1
2/1 21:20	90.9	↓-2.2
2/1 21:30	88.8	↓-2.1
2/1 21:40	86.6	↓-2.2
2/1 21:50	84.3	↓-2.3
2/1 22:00	82.1	↓-2.2
2/1 22:10	79.8	↓-2.3
2/1 22:20	77.6	↓-2.2
2/1 22:30	75.3	↓-2.3
2/1 22:40	73.1	↓-2.2
2/1 22:50	71.0	↓-2.1
2/1 23:00	68.9	↓-2.1
2/1 23:10	66.9	↓-2.0
2/1 23:20	65.1	↓-1.8
2/1 23:30	63.4	↓-1.7
2/1 23:40	61.8	↓-1.6
2/1 23:50	60.5	↓-1.3