20 (土)	07:33	01:11	23:07	15:28
	126cm	77cm	90cm	49cm
小潮 出 06:24 入 17:13 出 10:29 入 00:37

苫小牧（北海道）2021年02月20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
2/20 00:00	79.9	↓-0.8
2/20 00:10	79.1	↓-0.8
2/20 00:20	78.4	↓-0.7
2/20 00:30	77.8	↓-0.6
2/20 00:40	77.3	↓-0.5
2/20 00:50	77.0	↓-0.3
2/20 01:00	76.8	↓-0.2
2/20 01:10	76.7	↓-0.1	干潮
2/20 01:20	76.8	↑0.1
2/20 01:30	77.0	↑0.2
2/20 01:40	77.4	↑0.4
2/20 01:50	78.0	↑0.6
2/20 02:00	78.7	↑0.7
2/20 02:10	79.6	↑0.9
2/20 02:20	80.6	↑1.0
2/20 02:30	81.7	↑1.1
2/20 02:40	82.9	↑1.2
2/20 02:50	84.2	↑1.3
2/20 03:00	85.7	↑1.5
2/20 03:10	87.1	↑1.4
2/20 03:20	88.7	↑1.6
2/20 03:30	90.3	↑1.6
2/20 03:40	91.9	↑1.6
2/20 03:50	93.6	↑1.7
2/20 04:00	95.4	↑1.8
2/20 04:10	97.1	↑1.7
2/20 04:20	98.9	↑1.8
2/20 04:30	100.7	↑1.8
2/20 04:40	102.5	↑1.8
2/20 04:50	104.4	↑1.9
2/20 05:00	106.2	↑1.8
2/20 05:10	108.1	↑1.9
2/20 05:20	109.9	↑1.8
2/20 05:30	111.8	↑1.9
2/20 05:40	113.5	↑1.7
2/20 05:50	115.3	↑1.8
2/20 06:00	116.9	↑1.6
2/20 06:10	118.5	↑1.6
2/20 06:20	119.9	↑1.4
2/20 06:30	121.2	↑1.3
2/20 06:40	122.3	↑1.1
2/20 06:50	123.3	↑1.0
2/20 07:00	124.1	↑0.8
2/20 07:10	124.7	↑0.6
2/20 07:20	125.0	↑0.3
2/20 07:30	125.2	↑0.2	満潮
2/20 07:40	125.1	↓-0.1
2/20 07:50	124.8	↓-0.3
2/20 08:00	124.3	↓-0.5
2/20 08:10	123.6	↓-0.7
2/20 08:20	122.7	↓-0.9
2/20 08:30	121.6	↓-1.1
2/20 08:40	120.4	↓-1.2
2/20 08:50	119.0	↓-1.4
2/20 09:00	117.4	↓-1.6
2/20 09:10	115.8	↓-1.6
2/20 09:20	114.0	↓-1.8
2/20 09:30	112.1	↓-1.9
2/20 09:40	110.2	↓-1.9
2/20 09:50	108.2	↓-2.0
2/20 10:00	106.1	↓-2.1
2/20 10:10	103.9	↓-2.2
2/20 10:20	101.8	↓-2.1
2/20 10:30	99.5	↓-2.3
2/20 10:40	97.2	↓-2.3
2/20 10:50	94.9	↓-2.3
2/20 11:00	92.5	↓-2.4
2/20 11:10	90.1	↓-2.4
2/20 11:20	87.7	↓-2.4
2/20 11:30	85.3	↓-2.4
2/20 11:40	82.8	↓-2.5	最大潮位差
2/20 11:50	80.3	↓-2.5	最大潮位差
2/20 12:00	77.9	↓-2.4
2/20 12:10	75.4	↓-2.5	最大潮位差
2/20 12:20	73.0	↓-2.4
2/20 12:30	70.7	↓-2.3
2/20 12:40	68.4	↓-2.3
2/20 12:50	66.2	↓-2.2
2/20 13:00	64.0	↓-2.2
2/20 13:10	62.0	↓-2.0
2/20 13:20	60.2	↓-1.8
2/20 13:30	58.4	↓-1.8
2/20 13:40	56.8	↓-1.6
2/20 13:50	55.3	↓-1.5
2/20 14:00	54.0	↓-1.3
2/20 14:10	52.9	↓-1.1
2/20 14:20	51.9	↓-1.0
2/20 14:30	51.0	↓-0.9
2/20 14:40	50.3	↓-0.7
2/20 14:50	49.8	↓-0.5
2/20 15:00	49.3	↓-0.5
2/20 15:10	49.1	↓-0.2
2/20 15:20	48.9	↓-0.2	干潮
2/20 15:30	48.9	0
2/20 15:40	49.0	↑0.1
2/20 15:50	49.2	↑0.2
2/20 16:00	49.5	↑0.3
2/20 16:10	49.9	↑0.4
2/20 16:20	50.5	↑0.6
2/20 16:30	51.2	↑0.7
2/20 16:40	52.0	↑0.8
2/20 16:50	52.9	↑0.9
2/20 17:00	53.9	↑1.0
2/20 17:10	55.0	↑1.1
2/20 17:20	56.2	↑1.2
2/20 17:30	57.6	↑1.4
2/20 17:40	59.0	↑1.4
2/20 17:50	60.5	↑1.5
2/20 18:00	62.1	↑1.6
2/20 18:10	63.7	↑1.6
2/20 18:20	65.4	↑1.7
2/20 18:30	67.1	↑1.7
2/20 18:40	68.9	↑1.8
2/20 18:50	70.6	↑1.7
2/20 19:00	72.3	↑1.7
2/20 19:10	73.9	↑1.6
2/20 19:20	75.5	↑1.6
2/20 19:30	77.0	↑1.5
2/20 19:40	78.4	↑1.4
2/20 19:50	79.8	↑1.4
2/20 20:00	81.0	↑1.2
2/20 20:10	82.1	↑1.1
2/20 20:20	83.1	↑1.0
2/20 20:30	84.0	↑0.9
2/20 20:40	84.9	↑0.9
2/20 20:50	85.6	↑0.7
2/20 21:00	86.2	↑0.6
2/20 21:10	86.8	↑0.6
2/20 21:20	87.2	↑0.4
2/20 21:30	87.7	↑0.5
2/20 21:40	88.0	↑0.3
2/20 21:50	88.3	↑0.3
2/20 22:00	88.6	↑0.3
2/20 22:10	88.8	↑0.2
2/20 22:20	88.9	↑0.1
2/20 22:30	89.1	↑0.2
2/20 22:40	89.2	↑0.1
2/20 22:50	89.3	↑0.1
2/20 23:00	89.3	0	満潮
2/20 23:10	89.3	0
2/20 23:20	89.3	0
2/20 23:30	89.2	↓-0.1
2/20 23:40	89.1	↓-0.1
2/20 23:50	89.0	↓-0.1