20 (土)	03:58	11:04	17:41	23:01
	141cm	-11cm	125cm	73cm
中潮 出 04:52 入 18:16 出 21:03 入 05:56 潮干狩り ◎ 08:23～13:39

船越湾（宮城）2030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	77.1	↑2.3
4/20 00:10	79.6	↑2.5
4/20 00:20	82.4	↑2.8
4/20 00:30	85.4	↑3.0
4/20 00:40	88.6	↑3.2
4/20 00:50	91.9	↑3.3
4/20 01:00	95.3	↑3.4
4/20 01:10	98.8	↑3.5
4/20 01:20	102.4	↑3.6
4/20 01:30	106.0	↑3.6
4/20 01:40	109.7	↑3.7
4/20 01:50	113.2	↑3.5
4/20 02:00	116.7	↑3.5
4/20 02:10	120.1	↑3.4
4/20 02:20	123.4	↑3.3
4/20 02:30	126.4	↑3.0
4/20 02:40	129.2	↑2.8
4/20 02:50	131.8	↑2.6
4/20 03:00	134.1	↑2.3
4/20 03:10	136.1	↑2.0
4/20 03:20	137.7	↑1.6
4/20 03:30	139.0	↑1.3
4/20 03:40	139.8	↑0.8
4/20 03:50	140.3	↑0.5	満潮
4/20 04:00	140.4	↑0.1
4/20 04:10	140.1	↓-0.3
4/20 04:20	139.3	↓-0.8
4/20 04:30	138.1	↓-1.2
4/20 04:40	136.5	↓-1.6
4/20 04:50	134.5	↓-2.0
4/20 05:00	132.1	↓-2.4
4/20 05:10	129.2	↓-2.9
4/20 05:20	126.1	↓-3.1
4/20 05:30	122.5	↓-3.6
4/20 05:40	118.6	↓-3.9
4/20 05:50	114.5	↓-4.1
4/20 06:00	110.0	↓-4.5
4/20 06:10	105.3	↓-4.7
4/20 06:20	100.4	↓-4.9
4/20 06:30	95.3	↓-5.1
4/20 06:40	90.1	↓-5.2
4/20 06:50	84.7	↓-5.4
4/20 07:00	79.2	↓-5.5
4/20 07:10	73.7	↓-5.5
4/20 07:20	68.2	↓-5.5
4/20 07:30	62.6	↓-5.6	最大潮位差
4/20 07:40	57.1	↓-5.5
4/20 07:50	51.6	↓-5.5
4/20 08:00	46.2	↓-5.4
4/20 08:10	41.0	↓-5.2
4/20 08:20	35.8	↓-5.2
4/20 08:30	30.9	↓-4.9
4/20 08:40	26.1	↓-4.8
4/20 08:50	21.5	↓-4.6
4/20 09:00	17.1	↓-4.4
4/20 09:10	13.0	↓-4.1
4/20 09:20	9.2	↓-3.8
4/20 09:30	5.6	↓-3.6
4/20 09:40	2.4	↓-3.2
4/20 09:50	-0.6	↓-3.0
4/20 10:00	-3.2	↓-2.6
4/20 10:10	-5.4	↓-2.2
4/20 10:20	-7.3	↓-1.9
4/20 10:30	-8.8	↓-1.5
4/20 10:40	-10.0	↓-1.2
4/20 10:50	-10.7	↓-0.7
4/20 11:00	-11.0	↓-0.3	干潮
4/20 11:10	-11.0	0
4/20 11:20	-10.5	↑0.5
4/20 11:30	-9.6	↑0.9
4/20 11:40	-8.3	↑1.3
4/20 11:50	-6.6	↑1.7
4/20 12:00	-4.5	↑2.1
4/20 12:10	-2.0	↑2.5
4/20 12:20	0.9	↑2.9
4/20 12:30	4.2	↑3.3
4/20 12:40	7.8	↑3.6
4/20 12:50	11.7	↑3.9
4/20 13:00	16.0	↑4.3
4/20 13:10	20.5	↑4.5
4/20 13:20	25.3	↑4.8
4/20 13:30	30.3	↑5.0
4/20 13:40	35.4	↑5.1
4/20 13:50	40.8	↑5.4
4/20 14:00	46.2	↑5.4
4/20 14:10	51.7	↑5.5
4/20 14:20	57.2	↑5.5
4/20 14:30	62.8	↑5.6	最大潮位差
4/20 14:40	68.2	↑5.4
4/20 14:50	73.6	↑5.4
4/20 15:00	78.9	↑5.3
4/20 15:10	84.0	↑5.1
4/20 15:20	88.9	↑4.9
4/20 15:30	93.6	↑4.7
4/20 15:40	98.0	↑4.4
4/20 15:50	102.1	↑4.1
4/20 16:00	105.9	↑3.8
4/20 16:10	109.4	↑3.5
4/20 16:20	112.5	↑3.1
4/20 16:30	115.3	↑2.8
4/20 16:40	117.7	↑2.4
4/20 16:50	119.7	↑2.0
4/20 17:00	121.3	↑1.6
4/20 17:10	122.6	↑1.3
4/20 17:20	123.5	↑0.9
4/20 17:30	124.0	↑0.5
4/20 17:40	124.2	↑0.2	満潮
4/20 17:50	124.0	↓-0.2
4/20 18:00	123.5	↓-0.5
4/20 18:10	122.8	↓-0.7
4/20 18:20	121.7	↓-1.1
4/20 18:30	120.4	↓-1.3
4/20 18:40	118.9	↓-1.5
4/20 18:50	117.2	↓-1.7
4/20 19:00	115.3	↓-1.9
4/20 19:10	113.2	↓-2.1
4/20 19:20	111.0	↓-2.2
4/20 19:30	108.7	↓-2.3
4/20 19:40	106.4	↓-2.3
4/20 19:50	103.9	↓-2.5
4/20 20:00	101.5	↓-2.4
4/20 20:10	99.0	↓-2.5
4/20 20:20	96.6	↓-2.4
4/20 20:30	94.2	↓-2.4
4/20 20:40	91.8	↓-2.4
4/20 20:50	89.5	↓-2.3
4/20 21:00	87.3	↓-2.2
4/20 21:10	85.2	↓-2.1
4/20 21:20	83.2	↓-2.0
4/20 21:30	81.4	↓-1.8
4/20 21:40	79.7	↓-1.7
4/20 21:50	78.1	↓-1.6
4/20 22:00	76.7	↓-1.4
4/20 22:10	75.5	↓-1.2
4/20 22:20	74.5	↓-1.0
4/20 22:30	73.7	↓-0.8
4/20 22:40	73.1	↓-0.6
4/20 22:50	72.8	↓-0.3
4/20 23:00	72.7	↓-0.1	干潮
4/20 23:10	72.8	↑0.1
4/20 23:20	73.1	↑0.3
4/20 23:30	73.7	↑0.6
4/20 23:40	74.6	↑0.9
4/20 23:50	75.7	↑1.1