20 (木)	01:32	07:20	12:51	19:06
	109cm	68cm	96cm	44cm
若潮 出 04:52 入 18:16 出 02:23 入 13:59

船越湾（宮城）2028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	101.7	↑1.4
4/20 00:10	103.0	↑1.3
4/20 00:20	104.1	↑1.1
4/20 00:30	105.1	↑1.0
4/20 00:40	106.0	↑0.9
4/20 00:50	106.7	↑0.7
4/20 01:00	107.3	↑0.6
4/20 01:10	107.8	↑0.5
4/20 01:20	108.0	↑0.2
4/20 01:30	108.1	↑0.1	満潮
4/20 01:40	108.1	0
4/20 01:50	107.8	↓-0.3
4/20 02:00	107.5	↓-0.3
4/20 02:10	106.9	↓-0.6
4/20 02:20	106.2	↓-0.7
4/20 02:30	105.3	↓-0.9
4/20 02:40	104.3	↓-1.0
4/20 02:50	103.2	↓-1.1
4/20 03:00	101.9	↓-1.3
4/20 03:10	100.5	↓-1.4
4/20 03:20	99.0	↓-1.5
4/20 03:30	97.4	↓-1.6
4/20 03:40	95.7	↓-1.7
4/20 03:50	93.9	↓-1.8
4/20 04:00	92.1	↓-1.8
4/20 04:10	90.2	↓-1.9
4/20 04:20	88.3	↓-1.9
4/20 04:30	86.4	↓-1.9
4/20 04:40	84.6	↓-1.8
4/20 04:50	82.7	↓-1.9
4/20 05:00	80.9	↓-1.8
4/20 05:10	79.1	↓-1.8
4/20 05:20	77.5	↓-1.6
4/20 05:30	75.9	↓-1.6
4/20 05:40	74.4	↓-1.5
4/20 05:50	73.0	↓-1.4
4/20 06:00	71.8	↓-1.2
4/20 06:10	70.7	↓-1.1
4/20 06:20	69.7	↓-1.0
4/20 06:30	68.9	↓-0.8
4/20 06:40	68.2	↓-0.7
4/20 06:50	67.7	↓-0.5
4/20 07:00	67.3	↓-0.4
4/20 07:10	67.1	↓-0.2	干潮
4/20 07:20	67.1	0	干潮
4/20 07:30	67.1	0
4/20 07:40	67.4	↑0.3
4/20 07:50	67.8	↑0.4
4/20 08:00	68.3	↑0.5
4/20 08:10	68.9	↑0.6
4/20 08:20	69.7	↑0.8
4/20 08:30	70.5	↑0.8
4/20 08:40	71.5	↑1.0
4/20 08:50	72.5	↑1.0
4/20 09:00	73.6	↑1.1
4/20 09:10	74.8	↑1.2
4/20 09:20	76.0	↑1.2
4/20 09:30	77.3	↑1.3
4/20 09:40	78.6	↑1.3
4/20 09:50	79.9	↑1.3
4/20 10:00	81.2	↑1.3
4/20 10:10	82.6	↑1.4
4/20 10:20	83.9	↑1.3
4/20 10:30	85.2	↑1.3
4/20 10:40	86.4	↑1.2
4/20 10:50	87.7	↑1.3
4/20 11:00	88.8	↑1.1
4/20 11:10	89.9	↑1.1
4/20 11:20	91.0	↑1.1
4/20 11:30	91.9	↑0.9
4/20 11:40	92.8	↑0.9
4/20 11:50	93.6	↑0.8
4/20 12:00	94.3	↑0.7
4/20 12:10	94.8	↑0.5
4/20 12:20	95.3	↑0.5
4/20 12:30	95.6	↑0.3
4/20 12:40	95.8	↑0.2
4/20 12:50	95.9	↑0.1	満潮
4/20 13:00	95.8	↓-0.1
4/20 13:10	95.6	↓-0.2
4/20 13:20	95.3	↓-0.3
4/20 13:30	94.8	↓-0.5
4/20 13:40	94.1	↓-0.7
4/20 13:50	93.3	↓-0.8
4/20 14:00	92.4	↓-0.9
4/20 14:10	91.3	↓-1.1
4/20 14:20	90.1	↓-1.2
4/20 14:30	88.7	↓-1.4
4/20 14:40	87.2	↓-1.5
4/20 14:50	85.6	↓-1.6
4/20 15:00	83.9	↓-1.7
4/20 15:10	82.0	↓-1.9
4/20 15:20	80.1	↓-1.9
4/20 15:30	78.0	↓-2.1
4/20 15:40	75.9	↓-2.1
4/20 15:50	73.8	↓-2.1
4/20 16:00	71.6	↓-2.2
4/20 16:10	69.4	↓-2.2
4/20 16:20	67.1	↓-2.3
4/20 16:30	64.9	↓-2.2
4/20 16:40	62.7	↓-2.2
4/20 16:50	60.6	↓-2.1
4/20 17:00	58.5	↓-2.1
4/20 17:10	56.5	↓-2.0
4/20 17:20	54.6	↓-1.9
4/20 17:30	52.8	↓-1.8
4/20 17:40	51.1	↓-1.7
4/20 17:50	49.6	↓-1.5
4/20 18:00	48.2	↓-1.4
4/20 18:10	47.0	↓-1.2
4/20 18:20	46.0	↓-1.0
4/20 18:30	45.2	↓-0.8
4/20 18:40	44.5	↓-0.7
4/20 18:50	44.1	↓-0.4
4/20 19:00	43.9	↓-0.2	干潮
4/20 19:10	43.9	0
4/20 19:20	44.1	↑0.2
4/20 19:30	44.5	↑0.4
4/20 19:40	45.1	↑0.6
4/20 19:50	45.9	↑0.8
4/20 20:00	47.0	↑1.1
4/20 20:10	48.2	↑1.2
4/20 20:20	49.6	↑1.4
4/20 20:30	51.2	↑1.6
4/20 20:40	52.9	↑1.7
4/20 20:50	54.8	↑1.9
4/20 21:00	56.9	↑2.1
4/20 21:10	59.0	↑2.1
4/20 21:20	61.3	↑2.3
4/20 21:30	63.7	↑2.4
4/20 21:40	66.1	↑2.4
4/20 21:50	68.7	↑2.6
4/20 22:00	71.3	↑2.6
4/20 22:10	73.9	↑2.6
4/20 22:20	76.5	↑2.6
4/20 22:30	79.2	↑2.7	最大潮位差
4/20 22:40	81.8	↑2.6
4/20 22:50	84.5	↑2.7	最大潮位差
4/20 23:00	87.0	↑2.5
4/20 23:10	89.6	↑2.6
4/20 23:20	92.0	↑2.4
4/20 23:30	94.4	↑2.4
4/20 23:40	96.7	↑2.3
4/20 23:50	98.9	↑2.2