18 (日)	05:16	10:51	16:33	23:07
	129cm	61cm	140cm	21cm
中潮 出 06:27 入 17:10 出 07:45 入 19:29

苫小牧（北海道）2018年02月18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
2/18 00:00	25.6	↑2.3
2/18 00:10	28.0	↑2.4
2/18 00:20	30.7	↑2.7
2/18 00:30	33.7	↑3.0
2/18 00:40	36.9	↑3.2
2/18 00:50	40.3	↑3.4
2/18 01:00	44.0	↑3.7
2/18 01:10	47.9	↑3.9
2/18 01:20	52.0	↑4.1
2/18 01:30	56.4	↑4.4
2/18 01:40	60.9	↑4.5
2/18 01:50	65.5	↑4.6
2/18 02:00	70.3	↑4.8
2/18 02:10	75.2	↑4.9	最大潮位差
2/18 02:20	80.1	↑4.9	最大潮位差
2/18 02:30	85.0	↑4.9	最大潮位差
2/18 02:40	89.8	↑4.8
2/18 02:50	94.4	↑4.6
2/18 03:00	99.0	↑4.6
2/18 03:10	103.2	↑4.2
2/18 03:20	107.2	↑4.0
2/18 03:30	111.0	↑3.8
2/18 03:40	114.3	↑3.3
2/18 03:50	117.4	↑3.1
2/18 04:00	120.0	↑2.6
2/18 04:10	122.3	↑2.3
2/18 04:20	124.2	↑1.9
2/18 04:30	125.7	↑1.5
2/18 04:40	126.9	↑1.2
2/18 04:50	127.8	↑0.9
2/18 05:00	128.3	↑0.5
2/18 05:10	128.6	↑0.3	満潮
2/18 05:20	128.6	0
2/18 05:30	128.3	↓-0.3
2/18 05:40	127.8	↓-0.5
2/18 05:50	127.1	↓-0.7
2/18 06:00	126.3	↓-0.8
2/18 06:10	125.2	↓-1.1
2/18 06:20	123.9	↓-1.3
2/18 06:30	122.4	↓-1.5
2/18 06:40	120.7	↓-1.7
2/18 06:50	118.9	↓-1.8
2/18 07:00	116.8	↓-2.1
2/18 07:10	114.5	↓-2.3
2/18 07:20	112.0	↓-2.5
2/18 07:30	109.3	↓-2.7
2/18 07:40	106.4	↓-2.9
2/18 07:50	103.4	↓-3.0
2/18 08:00	100.2	↓-3.2
2/18 08:10	96.8	↓-3.4
2/18 08:20	93.4	↓-3.4
2/18 08:30	90.0	↓-3.4
2/18 08:40	86.5	↓-3.5
2/18 08:50	83.1	↓-3.4
2/18 09:00	79.8	↓-3.3
2/18 09:10	76.7	↓-3.1
2/18 09:20	73.7	↓-3.0
2/18 09:30	71.0	↓-2.7
2/18 09:40	68.6	↓-2.4
2/18 09:50	66.4	↓-2.2
2/18 10:00	64.6	↓-1.8
2/18 10:10	63.1	↓-1.5
2/18 10:20	61.9	↓-1.2
2/18 10:30	61.1	↓-0.8
2/18 10:40	60.6	↓-0.5
2/18 10:50	60.5	↓-0.1	干潮
2/18 11:00	60.6	↑0.1
2/18 11:10	61.1	↑0.5
2/18 11:20	61.8	↑0.7
2/18 11:30	62.7	↑0.9
2/18 11:40	63.9	↑1.2
2/18 11:50	65.3	↑1.4
2/18 12:00	66.9	↑1.6
2/18 12:10	68.7	↑1.8
2/18 12:20	70.7	↑2.0
2/18 12:30	72.9	↑2.2
2/18 12:40	75.2	↑2.3
2/18 12:50	77.7	↑2.5
2/18 13:00	80.4	↑2.7
2/18 13:10	83.3	↑2.9
2/18 13:20	86.3	↑3.0
2/18 13:30	89.5	↑3.2
2/18 13:40	92.9	↑3.4
2/18 13:50	96.4	↑3.5
2/18 14:00	100.0	↑3.6
2/18 14:10	103.7	↑3.7
2/18 14:20	107.5	↑3.8
2/18 14:30	111.2	↑3.7
2/18 14:40	114.9	↑3.7
2/18 14:50	118.5	↑3.6
2/18 15:00	122.0	↑3.5
2/18 15:10	125.2	↑3.2
2/18 15:20	128.3	↑3.1
2/18 15:30	131.0	↑2.7
2/18 15:40	133.4	↑2.4
2/18 15:50	135.3	↑1.9
2/18 16:00	136.9	↑1.6
2/18 16:10	138.1	↑1.2
2/18 16:20	138.8	↑0.7
2/18 16:30	139.1	↑0.3	満潮
2/18 16:40	139.0	↓-0.1
2/18 16:50	138.4	↓-0.6
2/18 17:00	137.5	↓-0.9
2/18 17:10	136.1	↓-1.4
2/18 17:20	134.4	↓-1.7
2/18 17:30	132.4	↓-2.0
2/18 17:40	130.2	↓-2.2
2/18 17:50	127.6	↓-2.6
2/18 18:00	124.9	↓-2.7
2/18 18:10	121.9	↓-3.0
2/18 18:20	118.7	↓-3.2
2/18 18:30	115.4	↓-3.3
2/18 18:40	111.9	↓-3.5
2/18 18:50	108.3	↓-3.6
2/18 19:00	104.5	↓-3.8
2/18 19:10	100.6	↓-3.9
2/18 19:20	96.5	↓-4.1
2/18 19:30	92.3	↓-4.2
2/18 19:40	88.0	↓-4.3
2/18 19:50	83.5	↓-4.5
2/18 20:00	79.0	↓-4.5
2/18 20:10	74.4	↓-4.6
2/18 20:20	69.7	↓-4.7
2/18 20:30	65.0	↓-4.7
2/18 20:40	60.4	↓-4.6
2/18 20:50	55.8	↓-4.6
2/18 21:00	51.3	↓-4.5
2/18 21:10	46.9	↓-4.4
2/18 21:20	42.8	↓-4.1
2/18 21:30	38.9	↓-3.9
2/18 21:40	35.3	↓-3.6
2/18 21:50	32.1	↓-3.2
2/18 22:00	29.2	↓-2.9
2/18 22:10	26.6	↓-2.6
2/18 22:20	24.5	↓-2.1
2/18 22:30	22.9	↓-1.6
2/18 22:40	21.6	↓-1.3
2/18 22:50	20.8	↓-0.8
2/18 23:00	20.3	↓-0.5	干潮
2/18 23:10	20.3	0
2/18 23:20	20.6	↑0.3
2/18 23:30	21.3	↑0.7
2/18 23:40	22.3	↑1.0
2/18 23:50	23.7	↑1.4