20 (日)	04:02	11:22	18:56	23:13
	153cm	8cm	126cm	93cm
中潮 出 03:57 入 19:15 出 22:04 入 06:48 潮干狩り ◎ 09:21～13:41

苫小牧（北海道）2038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	101.8	↑1.5
6/20 00:10	103.4	↑1.6
6/20 00:20	105.1	↑1.7
6/20 00:30	106.9	↑1.8
6/20 00:40	108.9	↑2.0
6/20 00:50	111.0	↑2.1
6/20 01:00	113.3	↑2.3
6/20 01:10	115.6	↑2.3
6/20 01:20	118.2	↑2.6
6/20 01:30	120.8	↑2.6
6/20 01:40	123.6	↑2.8
6/20 01:50	126.4	↑2.8
6/20 02:00	129.3	↑2.9
6/20 02:10	132.2	↑2.9
6/20 02:20	135.1	↑2.9
6/20 02:30	137.9	↑2.8
6/20 02:40	140.5	↑2.6
6/20 02:50	143.0	↑2.5
6/20 03:00	145.3	↑2.3
6/20 03:10	147.3	↑2.0
6/20 03:20	149.1	↑1.8
6/20 03:30	150.4	↑1.3
6/20 03:40	151.5	↑1.1
6/20 03:50	152.1	↑0.6
6/20 04:00	152.3	↑0.2	満潮
6/20 04:10	152.1	↓-0.2
6/20 04:20	151.6	↓-0.5
6/20 04:30	150.6	↓-1.0
6/20 04:40	149.2	↓-1.4
6/20 04:50	147.5	↓-1.7
6/20 05:00	145.5	↓-2.0
6/20 05:10	143.2	↓-2.3
6/20 05:20	140.6	↓-2.6
6/20 05:30	137.8	↓-2.8
6/20 05:40	134.7	↓-3.1
6/20 05:50	131.4	↓-3.3
6/20 06:00	127.9	↓-3.5
6/20 06:10	124.3	↓-3.6
6/20 06:20	120.5	↓-3.8
6/20 06:30	116.6	↓-3.9
6/20 06:40	112.4	↓-4.2
6/20 06:50	108.2	↓-4.2
6/20 07:00	103.8	↓-4.4
6/20 07:10	99.2	↓-4.6
6/20 07:20	94.5	↓-4.7
6/20 07:30	89.6	↓-4.9
6/20 07:40	84.6	↓-5.0
6/20 07:50	79.5	↓-5.1
6/20 08:00	74.4	↓-5.1
6/20 08:10	69.1	↓-5.3	最大潮位差
6/20 08:20	63.9	↓-5.2
6/20 08:30	58.6	↓-5.3	最大潮位差
6/20 08:40	53.5	↓-5.1
6/20 08:50	48.4	↓-5.1
6/20 09:00	43.5	↓-4.9
6/20 09:10	38.7	↓-4.8
6/20 09:20	34.2	↓-4.5
6/20 09:30	30.0	↓-4.2
6/20 09:40	26.1	↓-3.9
6/20 09:50	22.6	↓-3.5
6/20 10:00	19.4	↓-3.2
6/20 10:10	16.6	↓-2.8
6/20 10:20	14.2	↓-2.4
6/20 10:30	12.2	↓-2.0
6/20 10:40	10.6	↓-1.6
6/20 10:50	9.4	↓-1.2
6/20 11:00	8.5	↓-0.9
6/20 11:10	8.0	↓-0.5
6/20 11:20	7.8	↓-0.2	干潮
6/20 11:30	7.9	↑0.1
6/20 11:40	8.3	↑0.4
6/20 11:50	9.0	↑0.7
6/20 12:00	10.0	↑1.0
6/20 12:10	11.2	↑1.2
6/20 12:20	12.7	↑1.5
6/20 12:30	14.4	↑1.7
6/20 12:40	16.3	↑1.9
6/20 12:50	18.6	↑2.3
6/20 13:00	21.1	↑2.5
6/20 13:10	23.8	↑2.7
6/20 13:20	26.9	↑3.1
6/20 13:30	30.2	↑3.3
6/20 13:40	33.7	↑3.5
6/20 13:50	37.5	↑3.8
6/20 14:00	41.6	↑4.1
6/20 14:10	45.9	↑4.3
6/20 14:20	50.3	↑4.4
6/20 14:30	54.9	↑4.6
6/20 14:40	59.7	↑4.8
6/20 14:50	64.5	↑4.8
6/20 15:00	69.3	↑4.8
6/20 15:10	74.1	↑4.8
6/20 15:20	78.8	↑4.7
6/20 15:30	83.4	↑4.6
6/20 15:40	87.8	↑4.4
6/20 15:50	92.1	↑4.3
6/20 16:00	96.1	↑4.0
6/20 16:10	99.8	↑3.7
6/20 16:20	103.3	↑3.5
6/20 16:30	106.5	↑3.2
6/20 16:40	109.4	↑2.9
6/20 16:50	112.0	↑2.6
6/20 17:00	114.3	↑2.3
6/20 17:10	116.4	↑2.1
6/20 17:20	118.2	↑1.8
6/20 17:30	119.8	↑1.6
6/20 17:40	121.1	↑1.3
6/20 17:50	122.3	↑1.2
6/20 18:00	123.3	↑1.0
6/20 18:10	124.2	↑0.9
6/20 18:20	124.8	↑0.6
6/20 18:30	125.3	↑0.5
6/20 18:40	125.7	↑0.4
6/20 18:50	125.8	↑0.1	満潮
6/20 19:00	125.8	0
6/20 19:10	125.6	↓-0.2
6/20 19:20	125.2	↓-0.4
6/20 19:30	124.6	↓-0.6
6/20 19:40	123.8	↓-0.8
6/20 19:50	122.8	↓-1.0
6/20 20:00	121.6	↓-1.2
6/20 20:10	120.1	↓-1.5
6/20 20:20	118.5	↓-1.6
6/20 20:30	116.7	↓-1.8
6/20 20:40	114.8	↓-1.9
6/20 20:50	112.7	↓-2.1
6/20 21:00	110.6	↓-2.1
6/20 21:10	108.4	↓-2.2
6/20 21:20	106.3	↓-2.1
6/20 21:30	104.1	↓-2.2
6/20 21:40	102.1	↓-2.0
6/20 21:50	100.2	↓-1.9
6/20 22:00	98.5	↓-1.7
6/20 22:10	96.9	↓-1.6
6/20 22:20	95.6	↓-1.3
6/20 22:30	94.5	↓-1.1
6/20 22:40	93.6	↓-0.9
6/20 22:50	93.0	↓-0.6
6/20 23:00	92.6	↓-0.4
6/20 23:10	92.5	↓-0.1	干潮
6/20 23:20	92.5	0
6/20 23:30	92.8	↑0.3
6/20 23:40	93.3	↑0.5
6/20 23:50	93.9	↑0.6