20 (火)	00:04	06:01	11:27	17:55
	104cm	77cm	97cm	53cm
若潮 出 04:45 入 18:22 出 13:08 入 01:46

苫小牧（北海道）2032年04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
4/20 00:00	103.3	↑0.1	満潮
4/20 00:10	103.3	0
4/20 00:20	103.1	↓-0.2
4/20 00:30	102.9	↓-0.2
4/20 00:40	102.5	↓-0.4
4/20 00:50	102.0	↓-0.5
4/20 01:00	101.5	↓-0.5
4/20 01:10	100.8	↓-0.7
4/20 01:20	100.0	↓-0.8
4/20 01:30	99.2	↓-0.8
4/20 01:40	98.3	↓-0.9
4/20 01:50	97.3	↓-1.0
4/20 02:00	96.3	↓-1.0
4/20 02:10	95.2	↓-1.1
4/20 02:20	94.1	↓-1.1
4/20 02:30	93.0	↓-1.1
4/20 02:40	91.8	↓-1.2
4/20 02:50	90.7	↓-1.1
4/20 03:00	89.5	↓-1.2
4/20 03:10	88.4	↓-1.1
4/20 03:20	87.3	↓-1.1
4/20 03:30	86.2	↓-1.1
4/20 03:40	85.1	↓-1.1
4/20 03:50	84.1	↓-1.0
4/20 04:00	83.1	↓-1.0
4/20 04:10	82.1	↓-1.0
4/20 04:20	81.3	↓-0.8
4/20 04:30	80.4	↓-0.9
4/20 04:40	79.7	↓-0.7
4/20 04:50	79.0	↓-0.7
4/20 05:00	78.4	↓-0.6
4/20 05:10	77.9	↓-0.5
4/20 05:20	77.4	↓-0.5
4/20 05:30	77.1	↓-0.3
4/20 05:40	76.8	↓-0.3
4/20 05:50	76.7	↓-0.1
4/20 06:00	76.6	↓-0.1	干潮
4/20 06:10	76.7	↑0.1
4/20 06:20	76.8	↑0.1
4/20 06:30	77.1	↑0.3
4/20 06:40	77.4	↑0.3
4/20 06:50	77.8	↑0.4
4/20 07:00	78.4	↑0.6
4/20 07:10	78.9	↑0.5
4/20 07:20	79.6	↑0.7
4/20 07:30	80.4	↑0.8
4/20 07:40	81.1	↑0.7
4/20 07:50	82.0	↑0.9
4/20 08:00	82.9	↑0.9
4/20 08:10	83.8	↑0.9
4/20 08:20	84.7	↑0.9
4/20 08:30	85.6	↑0.9
4/20 08:40	86.6	↑1.0
4/20 08:50	87.5	↑0.9
4/20 09:00	88.4	↑0.9
4/20 09:10	89.3	↑0.9
4/20 09:20	90.2	↑0.9
4/20 09:30	91.0	↑0.8
4/20 09:40	91.8	↑0.8
4/20 09:50	92.6	↑0.8
4/20 10:00	93.2	↑0.6
4/20 10:10	93.9	↑0.7
4/20 10:20	94.5	↑0.6
4/20 10:30	95.0	↑0.5
4/20 10:40	95.4	↑0.4
4/20 10:50	95.8	↑0.4
4/20 11:00	96.0	↑0.2
4/20 11:10	96.2	↑0.2
4/20 11:20	96.3	↑0.1	満潮
4/20 11:30	96.3	0
4/20 11:40	96.2	↓-0.1
4/20 11:50	96.0	↓-0.2
4/20 12:00	95.8	↓-0.2
4/20 12:10	95.4	↓-0.4
4/20 12:20	94.8	↓-0.6
4/20 12:30	94.2	↓-0.6
4/20 12:40	93.5	↓-0.7
4/20 12:50	92.6	↓-0.9
4/20 13:00	91.7	↓-0.9
4/20 13:10	90.6	↓-1.1
4/20 13:20	89.4	↓-1.2
4/20 13:30	88.1	↓-1.3
4/20 13:40	86.8	↓-1.3
4/20 13:50	85.3	↓-1.5
4/20 14:00	83.8	↓-1.5
4/20 14:10	82.1	↓-1.7
4/20 14:20	80.4	↓-1.7
4/20 14:30	78.7	↓-1.7
4/20 14:40	76.9	↓-1.8
4/20 14:50	75.1	↓-1.8
4/20 15:00	73.3	↓-1.8
4/20 15:10	71.4	↓-1.9
4/20 15:20	69.6	↓-1.8
4/20 15:30	67.8	↓-1.8
4/20 15:40	66.0	↓-1.8
4/20 15:50	64.3	↓-1.7
4/20 16:00	62.7	↓-1.6
4/20 16:10	61.1	↓-1.6
4/20 16:20	59.6	↓-1.5
4/20 16:30	58.3	↓-1.3
4/20 16:40	57.0	↓-1.3
4/20 16:50	55.9	↓-1.1
4/20 17:00	54.9	↓-1.0
4/20 17:10	54.1	↓-0.8
4/20 17:20	53.4	↓-0.7
4/20 17:30	52.9	↓-0.5
4/20 17:40	52.6	↓-0.3
4/20 17:50	52.4	↓-0.2	干潮
4/20 18:00	52.5	↑0.1
4/20 18:10	52.6	↑0.1
4/20 18:20	53.0	↑0.4
4/20 18:30	53.5	↑0.5
4/20 18:40	54.2	↑0.7
4/20 18:50	55.1	↑0.9
4/20 19:00	56.1	↑1.0
4/20 19:10	57.3	↑1.2
4/20 19:20	58.6	↑1.3
4/20 19:30	60.1	↑1.5
4/20 19:40	61.7	↑1.6
4/20 19:50	63.4	↑1.7
4/20 20:00	65.2	↑1.8
4/20 20:10	67.1	↑1.9
4/20 20:20	69.1	↑2.0
4/20 20:30	71.1	↑2.0
4/20 20:40	73.3	↑2.2	最大潮位差
4/20 20:50	75.4	↑2.1
4/20 21:00	77.6	↑2.2	最大潮位差
4/20 21:10	79.8	↑2.2	最大潮位差
4/20 21:20	82.0	↑2.2	最大潮位差
4/20 21:30	84.2	↑2.2	最大潮位差
4/20 21:40	86.3	↑2.1
4/20 21:50	88.4	↑2.1
4/20 22:00	90.5	↑2.1
4/20 22:10	92.5	↑2.0
4/20 22:20	94.4	↑1.9
4/20 22:30	96.2	↑1.8
4/20 22:40	97.9	↑1.7
4/20 22:50	99.5	↑1.6
4/20 23:00	100.9	↑1.4
4/20 23:10	102.3	↑1.4
4/20 23:20	103.5	↑1.2
4/20 23:30	104.6	↑1.1
4/20 23:40	105.5	↑0.9
4/20 23:50	106.3	↑0.8