20 (火)	03:12	10:41	18:13	22:17
	148cm	9cm	126cm	99cm
中潮 出 03:57 入 19:15 出 05:10 入 21:17 潮干狩り ◎ 08:39～12:56

苫小牧（北海道）2023年06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
6/20 00:00	114.1	↑1.7
6/20 00:10	115.8	↑1.7
6/20 00:20	117.7	↑1.9
6/20 00:30	119.7	↑2.0
6/20 00:40	121.8	↑2.1
6/20 00:50	124.0	↑2.2
6/20 01:00	126.2	↑2.2
6/20 01:10	128.5	↑2.3
6/20 01:20	130.8	↑2.3
6/20 01:30	133.1	↑2.3
6/20 01:40	135.4	↑2.3
6/20 01:50	137.6	↑2.2
6/20 02:00	139.6	↑2.0
6/20 02:10	141.5	↑1.9
6/20 02:20	143.2	↑1.7
6/20 02:30	144.6	↑1.4
6/20 02:40	145.8	↑1.2
6/20 02:50	146.6	↑0.8
6/20 03:00	147.2	↑0.6
6/20 03:10	147.3	↑0.1	満潮
6/20 03:20	147.2	↓-0.1
6/20 03:30	146.7	↓-0.5
6/20 03:40	145.9	↓-0.8
6/20 03:50	144.7	↓-1.2
6/20 04:00	143.3	↓-1.4
6/20 04:10	141.5	↓-1.8
6/20 04:20	139.5	↓-2.0
6/20 04:30	137.2	↓-2.3
6/20 04:40	134.7	↓-2.5
6/20 04:50	132.0	↓-2.7
6/20 05:00	129.1	↓-2.9
6/20 05:10	126.0	↓-3.1
6/20 05:20	122.7	↓-3.3
6/20 05:30	119.3	↓-3.4
6/20 05:40	115.7	↓-3.6
6/20 05:50	111.9	↓-3.8
6/20 06:00	108.0	↓-3.9
6/20 06:10	104.0	↓-4.0
6/20 06:20	99.8	↓-4.2
6/20 06:30	95.4	↓-4.4
6/20 06:40	90.9	↓-4.5
6/20 06:50	86.2	↓-4.7
6/20 07:00	81.4	↓-4.8
6/20 07:10	76.5	↓-4.9
6/20 07:20	71.5	↓-5.0
6/20 07:30	66.5	↓-5.0
6/20 07:40	61.4	↓-5.1	最大潮位差
6/20 07:50	56.4	↓-5.0
6/20 08:00	51.5	↓-4.9
6/20 08:10	46.6	↓-4.9
6/20 08:20	41.9	↓-4.7
6/20 08:30	37.4	↓-4.5
6/20 08:40	33.1	↓-4.3
6/20 08:50	29.2	↓-3.9
6/20 09:00	25.5	↓-3.7
6/20 09:10	22.1	↓-3.4
6/20 09:20	19.1	↓-3.0
6/20 09:30	16.5	↓-2.6
6/20 09:40	14.2	↓-2.3
6/20 09:50	12.3	↓-1.9
6/20 10:00	10.8	↓-1.5
6/20 10:10	9.7	↓-1.1
6/20 10:20	8.9	↓-0.8
6/20 10:30	8.4	↓-0.5
6/20 10:40	8.3	↓-0.1	干潮
6/20 10:50	8.4	↑0.1
6/20 11:00	8.9	↑0.5
6/20 11:10	9.6	↑0.7
6/20 11:20	10.6	↑1.0
6/20 11:30	11.9	↑1.3
6/20 11:40	13.5	↑1.6
6/20 11:50	15.3	↑1.8
6/20 12:00	17.4	↑2.1
6/20 12:10	19.8	↑2.4
6/20 12:20	22.4	↑2.6
6/20 12:30	25.3	↑2.9
6/20 12:40	28.5	↑3.2
6/20 12:50	32.0	↑3.5
6/20 13:00	35.7	↑3.7
6/20 13:10	39.6	↑3.9
6/20 13:20	43.8	↑4.2
6/20 13:30	48.2	↑4.4
6/20 13:40	52.7	↑4.5
6/20 13:50	57.4	↑4.7
6/20 14:00	62.1	↑4.7
6/20 14:10	66.9	↑4.8
6/20 14:20	71.7	↑4.8
6/20 14:30	76.4	↑4.7
6/20 14:40	81.0	↑4.6
6/20 14:50	85.4	↑4.4
6/20 15:00	89.7	↑4.3
6/20 15:10	93.8	↑4.1
6/20 15:20	97.6	↑3.8
6/20 15:30	101.2	↑3.6
6/20 15:40	104.4	↑3.2
6/20 15:50	107.4	↑3.0
6/20 16:00	110.2	↑2.8
6/20 16:10	112.6	↑2.4
6/20 16:20	114.8	↑2.2
6/20 16:30	116.7	↑1.9
6/20 16:40	118.4	↑1.7
6/20 16:50	119.9	↑1.5
6/20 17:00	121.2	↑1.3
6/20 17:10	122.3	↑1.1
6/20 17:20	123.2	↑0.9
6/20 17:30	124.0	↑0.8
6/20 17:40	124.6	↑0.6
6/20 17:50	125.0	↑0.4
6/20 18:00	125.3	↑0.3
6/20 18:10	125.4	↑0.1	満潮
6/20 18:20	125.3	↓-0.1
6/20 18:30	125.1	↓-0.2
6/20 18:40	124.7	↓-0.4
6/20 18:50	124.1	↓-0.6
6/20 19:00	123.3	↓-0.8
6/20 19:10	122.3	↓-1.0
6/20 19:20	121.2	↓-1.1
6/20 19:30	119.8	↓-1.4
6/20 19:40	118.4	↓-1.4
6/20 19:50	116.7	↓-1.7
6/20 20:00	115.0	↓-1.7
6/20 20:10	113.3	↓-1.7
6/20 20:20	111.4	↓-1.9
6/20 20:30	109.6	↓-1.8
6/20 20:40	107.9	↓-1.7
6/20 20:50	106.2	↓-1.7
6/20 21:00	104.6	↓-1.6
6/20 21:10	103.2	↓-1.4
6/20 21:20	101.9	↓-1.3
6/20 21:30	100.8	↓-1.1
6/20 21:40	100.0	↓-0.8
6/20 21:50	99.3	↓-0.7
6/20 22:00	98.9	↓-0.4
6/20 22:10	98.7	↓-0.2	干潮
6/20 22:20	98.7	0
6/20 22:30	98.8	↑0.1
6/20 22:40	99.2	↑0.4
6/20 22:50	99.7	↑0.5
6/20 23:00	100.3	↑0.6
6/20 23:10	101.1	↑0.8
6/20 23:20	102.0	↑0.9
6/20 23:30	103.0	↑1.0
6/20 23:40	104.1	↑1.1
6/20 23:50	105.2	↑1.1