20 (日)	08:47	04:48	-	17:01
	100cm	90cm	-	48cm
小潮 出 04:45 入 18:22 出 01:41 入 11:59

苫小牧（北海道）2036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	101.6	0
4/20 00:10	101.5	↓-0.1
4/20 00:20	101.3	↓-0.2
4/20 00:30	101.0	↓-0.3
4/20 00:40	100.7	↓-0.3
4/20 00:50	100.2	↓-0.5
4/20 01:00	99.7	↓-0.5
4/20 01:10	99.1	↓-0.6
4/20 01:20	98.5	↓-0.6
4/20 01:30	97.9	↓-0.6
4/20 01:40	97.3	↓-0.6
4/20 01:50	96.6	↓-0.7
4/20 02:00	95.9	↓-0.7
4/20 02:10	95.3	↓-0.6
4/20 02:20	94.6	↓-0.7
4/20 02:30	94.0	↓-0.6
4/20 02:40	93.4	↓-0.6
4/20 02:50	92.8	↓-0.6
4/20 03:00	92.3	↓-0.5
4/20 03:10	91.8	↓-0.5
4/20 03:20	91.4	↓-0.4
4/20 03:30	90.9	↓-0.5
4/20 03:40	90.6	↓-0.3
4/20 03:50	90.2	↓-0.4
4/20 04:00	89.9	↓-0.3
4/20 04:10	89.7	↓-0.2
4/20 04:20	89.5	↓-0.2
4/20 04:30	89.4	↓-0.1
4/20 04:40	89.3	↓-0.1	干潮
4/20 04:50	89.3	0
4/20 05:00	89.3	0
4/20 05:10	89.5	↑0.2
4/20 05:20	89.7	↑0.2
4/20 05:30	89.9	↑0.2
4/20 05:40	90.3	↑0.4
4/20 05:50	90.7	↑0.4
4/20 06:00	91.2	↑0.5
4/20 06:10	91.8	↑0.6
4/20 06:20	92.4	↑0.6
4/20 06:30	93.0	↑0.6
4/20 06:40	93.7	↑0.7
4/20 06:50	94.4	↑0.7
4/20 07:00	95.1	↑0.7
4/20 07:10	95.9	↑0.8
4/20 07:20	96.5	↑0.6
4/20 07:30	97.2	↑0.7
4/20 07:40	97.8	↑0.6
4/20 07:50	98.4	↑0.6
4/20 08:00	98.8	↑0.4
4/20 08:10	99.2	↑0.4
4/20 08:20	99.5	↑0.3
4/20 08:30	99.7	↑0.2
4/20 08:40	99.9	↑0.2	満潮
4/20 08:50	99.9	0
4/20 09:00	99.8	↓-0.1
4/20 09:10	99.6	↓-0.2
4/20 09:20	99.3	↓-0.3
4/20 09:30	99.0	↓-0.3
4/20 09:40	98.5	↓-0.5
4/20 09:50	98.0	↓-0.5
4/20 10:00	97.3	↓-0.7
4/20 10:10	96.6	↓-0.7
4/20 10:20	95.9	↓-0.7
4/20 10:30	95.0	↓-0.9
4/20 10:40	94.1	↓-0.9
4/20 10:50	93.2	↓-0.9
4/20 11:00	92.2	↓-1.0
4/20 11:10	91.1	↓-1.1
4/20 11:20	89.9	↓-1.2
4/20 11:30	88.7	↓-1.2
4/20 11:40	87.4	↓-1.3
4/20 11:50	86.0	↓-1.4
4/20 12:00	84.6	↓-1.4
4/20 12:10	83.2	↓-1.4
4/20 12:20	81.6	↓-1.6
4/20 12:30	80.1	↓-1.5
4/20 12:40	78.4	↓-1.7
4/20 12:50	76.8	↓-1.6
4/20 13:00	75.1	↓-1.7
4/20 13:10	73.4	↓-1.7
4/20 13:20	71.7	↓-1.7
4/20 13:30	69.9	↓-1.8
4/20 13:40	68.2	↓-1.7
4/20 13:50	66.5	↓-1.7
4/20 14:00	64.9	↓-1.6
4/20 14:10	63.2	↓-1.7
4/20 14:20	61.6	↓-1.6
4/20 14:30	60.1	↓-1.5
4/20 14:40	58.7	↓-1.4
4/20 14:50	57.3	↓-1.4
4/20 15:00	56.0	↓-1.3
4/20 15:10	54.7	↓-1.3
4/20 15:20	53.6	↓-1.1
4/20 15:30	52.5	↓-1.1
4/20 15:40	51.6	↓-0.9
4/20 15:50	50.7	↓-0.9
4/20 16:00	50.0	↓-0.7
4/20 16:10	49.3	↓-0.7
4/20 16:20	48.8	↓-0.5
4/20 16:30	48.4	↓-0.4
4/20 16:40	48.1	↓-0.3
4/20 16:50	47.9	↓-0.2
4/20 17:00	47.8	↓-0.1	干潮
4/20 17:10	47.9	↑0.1
4/20 17:20	48.1	↑0.2
4/20 17:30	48.4	↑0.3
4/20 17:40	48.9	↑0.5
4/20 17:50	49.5	↑0.6
4/20 18:00	50.2	↑0.7
4/20 18:10	51.1	↑0.9
4/20 18:20	52.1	↑1.0
4/20 18:30	53.2	↑1.1
4/20 18:40	54.5	↑1.3
4/20 18:50	55.9	↑1.4
4/20 19:00	57.3	↑1.4
4/20 19:10	58.9	↑1.6
4/20 19:20	60.5	↑1.6
4/20 19:30	62.3	↑1.8
4/20 19:40	64.1	↑1.8
4/20 19:50	65.9	↑1.8
4/20 20:00	67.8	↑1.9
4/20 20:10	69.7	↑1.9
4/20 20:20	71.7	↑2.0	最大潮位差
4/20 20:30	73.6	↑1.9
4/20 20:40	75.6	↑2.0	最大潮位差
4/20 20:50	77.5	↑1.9
4/20 21:00	79.4	↑1.9
4/20 21:10	81.3	↑1.9
4/20 21:20	83.2	↑1.9
4/20 21:30	85.0	↑1.8
4/20 21:40	86.8	↑1.8
4/20 21:50	88.5	↑1.7
4/20 22:00	90.2	↑1.7
4/20 22:10	91.8	↑1.6
4/20 22:20	93.4	↑1.6
4/20 22:30	94.9	↑1.5
4/20 22:40	96.3	↑1.4
4/20 22:50	97.6	↑1.3
4/20 23:00	98.9	↑1.3
4/20 23:10	100.0	↑1.1
4/20 23:20	101.1	↑1.1
4/20 23:30	102.1	↑1.0
4/20 23:40	103.0	↑0.9
4/20 23:50	103.7	↑0.7