20 (日)	02:13	08:43	15:06	20:57
	120cm	25cm	121cm	52cm
大潮 出 04:53 入 18:16 出 03:42 入 16:53 潮干狩り ○ 07:22～10:03

船越湾（宮城）2031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	97.2	↑3.0
4/20 00:10	100.1	↑2.9
4/20 00:20	102.9	↑2.8
4/20 00:30	105.6	↑2.7
4/20 00:40	108.0	↑2.4
4/20 00:50	110.3	↑2.3
4/20 01:00	112.3	↑2.0
4/20 01:10	114.2	↑1.9
4/20 01:20	115.7	↑1.5
4/20 01:30	117.1	↑1.4
4/20 01:40	118.1	↑1.0
4/20 01:50	118.9	↑0.8
4/20 02:00	119.4	↑0.5
4/20 02:10	119.6	↑0.2	満潮
4/20 02:20	119.6	0
4/20 02:30	119.2	↓-0.4
4/20 02:40	118.5	↓-0.7
4/20 02:50	117.6	↓-0.9
4/20 03:00	116.3	↓-1.3
4/20 03:10	114.8	↓-1.5
4/20 03:20	113.0	↓-1.8
4/20 03:30	111.0	↓-2.0
4/20 03:40	108.7	↓-2.3
4/20 03:50	106.1	↓-2.6
4/20 04:00	103.4	↓-2.7
4/20 04:10	100.4	↓-3.0
4/20 04:20	97.3	↓-3.1
4/20 04:30	94.0	↓-3.3
4/20 04:40	90.6	↓-3.4
4/20 04:50	87.0	↓-3.6
4/20 05:00	83.3	↓-3.7
4/20 05:10	79.6	↓-3.7
4/20 05:20	75.8	↓-3.8
4/20 05:30	72.0	↓-3.8
4/20 05:40	68.2	↓-3.8
4/20 05:50	64.4	↓-3.8
4/20 06:00	60.6	↓-3.8
4/20 06:10	56.9	↓-3.7
4/20 06:20	53.3	↓-3.6
4/20 06:30	49.9	↓-3.4
4/20 06:40	46.5	↓-3.4
4/20 06:50	43.4	↓-3.1
4/20 07:00	40.4	↓-3.0
4/20 07:10	37.6	↓-2.8
4/20 07:20	35.1	↓-2.5
4/20 07:30	32.7	↓-2.4
4/20 07:40	30.7	↓-2.0
4/20 07:50	28.9	↓-1.8
4/20 08:00	27.4	↓-1.5
4/20 08:10	26.3	↓-1.1
4/20 08:20	25.4	↓-0.9
4/20 08:30	24.8	↓-0.6
4/20 08:40	24.6	↓-0.2	干潮
4/20 08:50	24.7	↑0.1
4/20 09:00	25.1	↑0.4
4/20 09:10	25.8	↑0.7
4/20 09:20	26.8	↑1.0
4/20 09:30	28.2	↑1.4
4/20 09:40	29.9	↑1.7
4/20 09:50	31.8	↑1.9
4/20 10:00	34.1	↑2.3
4/20 10:10	36.6	↑2.5
4/20 10:20	39.4	↑2.8
4/20 10:30	42.4	↑3.0
4/20 10:40	45.6	↑3.2
4/20 10:50	49.0	↑3.4
4/20 11:00	52.5	↑3.5
4/20 11:10	56.2	↑3.7
4/20 11:20	60.0	↑3.8
4/20 11:30	63.9	↑3.9
4/20 11:40	67.9	↑4.0	最大潮位差
4/20 11:50	71.8	↑3.9
4/20 12:00	75.8	↑4.0	最大潮位差
4/20 12:10	79.8	↑4.0	最大潮位差
4/20 12:20	83.7	↑3.9
4/20 12:30	87.5	↑3.8
4/20 12:40	91.2	↑3.7
4/20 12:50	94.8	↑3.6
4/20 13:00	98.2	↑3.4
4/20 13:10	101.5	↑3.3
4/20 13:20	104.5	↑3.0
4/20 13:30	107.3	↑2.8
4/20 13:40	109.9	↑2.6
4/20 13:50	112.3	↑2.4
4/20 14:00	114.3	↑2.0
4/20 14:10	116.1	↑1.8
4/20 14:20	117.6	↑1.5
4/20 14:30	118.8	↑1.2
4/20 14:40	119.7	↑0.9
4/20 14:50	120.3	↑0.6
4/20 15:00	120.6	↑0.3	満潮
4/20 15:10	120.6	0
4/20 15:20	120.3	↓-0.3
4/20 15:30	119.7	↓-0.6
4/20 15:40	118.9	↓-0.8
4/20 15:50	117.7	↓-1.2
4/20 16:00	116.3	↓-1.4
4/20 16:10	114.7	↓-1.6
4/20 16:20	112.8	↓-1.9
4/20 16:30	110.8	↓-2.0
4/20 16:40	108.5	↓-2.3
4/20 16:50	106.0	↓-2.5
4/20 17:00	103.4	↓-2.6
4/20 17:10	100.7	↓-2.7
4/20 17:20	97.9	↓-2.8
4/20 17:30	94.9	↓-3.0
4/20 17:40	91.9	↓-3.0
4/20 17:50	88.9	↓-3.0
4/20 18:00	85.8	↓-3.1
4/20 18:10	82.7	↓-3.1
4/20 18:20	79.7	↓-3.0
4/20 18:30	76.7	↓-3.0
4/20 18:40	73.7	↓-3.0
4/20 18:50	70.9	↓-2.8
4/20 19:00	68.2	↓-2.7
4/20 19:10	65.6	↓-2.6
4/20 19:20	63.1	↓-2.5
4/20 19:30	60.9	↓-2.2
4/20 19:40	58.8	↓-2.1
4/20 19:50	57.0	↓-1.8
4/20 20:00	55.3	↓-1.7
4/20 20:10	54.0	↓-1.3
4/20 20:20	52.8	↓-1.2
4/20 20:30	52.0	↓-0.8
4/20 20:40	51.4	↓-0.6
4/20 20:50	51.1	↓-0.3	干潮
4/20 21:00	51.0	↓-0.1
4/20 21:10	51.3	↑0.3
4/20 21:20	51.8	↑0.5
4/20 21:30	52.7	↑0.9
4/20 21:40	53.8	↑1.1
4/20 21:50	55.2	↑1.4
4/20 22:00	56.9	↑1.7
4/20 22:10	58.8	↑1.9
4/20 22:20	61.0	↑2.2
4/20 22:30	63.4	↑2.4
4/20 22:40	66.0	↑2.6
4/20 22:50	68.8	↑2.8
4/20 23:00	71.8	↑3.0
4/20 23:10	74.9	↑3.1
4/20 23:20	78.2	↑3.3
4/20 23:30	81.5	↑3.3
4/20 23:40	84.9	↑3.4
4/20 23:50	88.4	↑3.5