20 (水)	04:32	11:33	18:40	23:22
	143cm	-2cm	115cm	83cm
中潮 出 04:46 入 18:22 出 22:49 入 06:45 潮干狩り ◎ 09:18～14:12

苫小牧（北海道）2022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	79.9	↑1.7
4/20 00:10	81.7	↑1.8
4/20 00:20	83.6	↑1.9
4/20 00:30	85.7	↑2.1
4/20 00:40	87.9	↑2.2
4/20 00:50	90.3	↑2.4
4/20 01:00	92.7	↑2.4
4/20 01:10	95.2	↑2.5
4/20 01:20	97.8	↑2.6
4/20 01:30	100.6	↑2.8
4/20 01:40	103.4	↑2.8
4/20 01:50	106.3	↑2.9
4/20 02:00	109.2	↑2.9
4/20 02:10	112.2	↑3.0
4/20 02:20	115.3	↑3.1
4/20 02:30	118.3	↑3.0
4/20 02:40	121.4	↑3.1
4/20 02:50	124.4	↑3.0
4/20 03:00	127.3	↑2.9
4/20 03:10	130.0	↑2.7
4/20 03:20	132.6	↑2.6
4/20 03:30	135.0	↑2.4
4/20 03:40	137.1	↑2.1
4/20 03:50	138.9	↑1.8
4/20 04:00	140.4	↑1.5
4/20 04:10	141.5	↑1.1
4/20 04:20	142.1	↑0.6
4/20 04:30	142.4	↑0.3	満潮
4/20 04:40	142.2	↓-0.2
4/20 04:50	141.5	↓-0.7
4/20 05:00	140.4	↓-1.1
4/20 05:10	138.9	↓-1.5
4/20 05:20	137.0	↓-1.9
4/20 05:30	134.7	↓-2.3
4/20 05:40	132.0	↓-2.7
4/20 05:50	129.0	↓-3.0
4/20 06:00	125.8	↓-3.2
4/20 06:10	122.2	↓-3.6
4/20 06:20	118.4	↓-3.8
4/20 06:30	114.4	↓-4.0
4/20 06:40	110.3	↓-4.1
4/20 06:50	106.0	↓-4.3
4/20 07:00	101.5	↓-4.5
4/20 07:10	97.0	↓-4.5
4/20 07:20	92.3	↓-4.7
4/20 07:30	87.5	↓-4.8
4/20 07:40	82.7	↓-4.8
4/20 07:50	77.8	↓-4.9
4/20 08:00	72.8	↓-5.0
4/20 08:10	67.7	↓-5.1
4/20 08:20	62.7	↓-5.0
4/20 08:30	57.5	↓-5.2	最大潮位差
4/20 08:40	52.4	↓-5.1
4/20 08:50	47.3	↓-5.1
4/20 09:00	42.3	↓-5.0
4/20 09:10	37.3	↓-5.0
4/20 09:20	32.5	↓-4.8
4/20 09:30	27.9	↓-4.6
4/20 09:40	23.5	↓-4.4
4/20 09:50	19.3	↓-4.2
4/20 10:00	15.4	↓-3.9
4/20 10:10	11.8	↓-3.6
4/20 10:20	8.6	↓-3.2
4/20 10:30	5.8	↓-2.8
4/20 10:40	3.4	↓-2.4
4/20 10:50	1.4	↓-2.0
4/20 11:00	-0.1	↓-1.5
4/20 11:10	-1.2	↓-1.1
4/20 11:20	-1.9	↓-0.7
4/20 11:30	-2.2	↓-0.3	干潮
4/20 11:40	-2.1	↑0.1
4/20 11:50	-1.6	↑0.5
4/20 12:00	-0.8	↑0.8
4/20 12:10	0.3	↑1.1
4/20 12:20	1.8	↑1.5
4/20 12:30	3.5	↑1.7
4/20 12:40	5.5	↑2.0
4/20 12:50	7.8	↑2.3
4/20 13:00	10.2	↑2.4
4/20 13:10	12.9	↑2.7
4/20 13:20	15.8	↑2.9
4/20 13:30	18.9	↑3.1
4/20 13:40	22.1	↑3.2
4/20 13:50	25.6	↑3.5
4/20 14:00	29.3	↑3.7
4/20 14:10	33.1	↑3.8
4/20 14:20	37.1	↑4.0
4/20 14:30	41.3	↑4.2
4/20 14:40	45.7	↑4.4
4/20 14:50	50.1	↑4.4
4/20 15:00	54.7	↑4.6
4/20 15:10	59.3	↑4.6
4/20 15:20	64.0	↑4.7
4/20 15:30	68.6	↑4.6
4/20 15:40	73.2	↑4.6
4/20 15:50	77.7	↑4.5
4/20 16:00	82.1	↑4.4
4/20 16:10	86.3	↑4.2
4/20 16:20	90.3	↑4.0
4/20 16:30	94.0	↑3.7
4/20 16:40	97.4	↑3.4
4/20 16:50	100.5	↑3.1
4/20 17:00	103.4	↑2.9
4/20 17:10	105.8	↑2.4
4/20 17:20	108.0	↑2.2
4/20 17:30	109.8	↑1.8
4/20 17:40	111.3	↑1.5
4/20 17:50	112.5	↑1.2
4/20 18:00	113.5	↑1.0
4/20 18:10	114.2	↑0.7
4/20 18:20	114.6	↑0.4
4/20 18:30	114.9	↑0.3	満潮
4/20 18:40	114.9	0	満潮
4/20 18:50	114.8	↓-0.1
4/20 19:00	114.6	↓-0.2
4/20 19:10	114.2	↓-0.4
4/20 19:20	113.7	↓-0.5
4/20 19:30	113.0	↓-0.7
4/20 19:40	112.3	↓-0.7
4/20 19:50	111.4	↓-0.9
4/20 20:00	110.4	↓-1.0
4/20 20:10	109.3	↓-1.1
4/20 20:20	108.0	↓-1.3
4/20 20:30	106.6	↓-1.4
4/20 20:40	105.1	↓-1.5
4/20 20:50	103.5	↓-1.6
4/20 21:00	101.8	↓-1.7
4/20 21:10	100.0	↓-1.8
4/20 21:20	98.2	↓-1.8
4/20 21:30	96.3	↓-1.9
4/20 21:40	94.5	↓-1.8
4/20 21:50	92.6	↓-1.9
4/20 22:00	90.8	↓-1.8
4/20 22:10	89.2	↓-1.6
4/20 22:20	87.6	↓-1.6
4/20 22:30	86.3	↓-1.3
4/20 22:40	85.1	↓-1.2
4/20 22:50	84.2	↓-0.9
4/20 23:00	83.5	↓-0.7
4/20 23:10	83.1	↓-0.4
4/20 23:20	82.9	↓-0.2	干潮
4/20 23:30	83.0	↑0.1
4/20 23:40	83.4	↑0.4
4/20 23:50	84.0	↑0.6