9 (月)	06:02	00:17	20:09	13:00
	105cm	62cm	93cm	15cm
中潮 出 05:13 入 18:08 出 08:19 入 22:56 潮干狩り ◎ 11:04～15:04

那珂湊（茨城）2057年04月9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
4/9 00:00	61.7	↓-0.4
4/9 00:10	61.5	↓-0.2	干潮
4/9 00:20	61.5	0
4/9 00:30	61.7	↑0.2
4/9 00:40	62.0	↑0.3
4/9 00:50	62.6	↑0.6
4/9 01:00	63.3	↑0.7
4/9 01:10	64.1	↑0.8
4/9 01:20	65.1	↑1.0
4/9 01:30	66.3	↑1.2
4/9 01:40	67.6	↑1.3
4/9 01:50	69.0	↑1.4
4/9 02:00	70.5	↑1.5
4/9 02:10	72.1	↑1.6
4/9 02:20	73.8	↑1.7
4/9 02:30	75.6	↑1.8
4/9 02:40	77.4	↑1.8
4/9 02:50	79.3	↑1.9
4/9 03:00	81.2	↑1.9
4/9 03:10	83.1	↑1.9
4/9 03:20	85.0	↑1.9
4/9 03:30	87.0	↑2.0
4/9 03:40	88.8	↑1.8
4/9 03:50	90.7	↑1.9
4/9 04:00	92.5	↑1.8
4/9 04:10	94.2	↑1.7
4/9 04:20	95.8	↑1.6
4/9 04:30	97.3	↑1.5
4/9 04:40	98.8	↑1.5
4/9 04:50	100.1	↑1.3
4/9 05:00	101.2	↑1.1
4/9 05:10	102.3	↑1.1
4/9 05:20	103.1	↑0.8
4/9 05:30	103.8	↑0.7
4/9 05:40	104.3	↑0.5
4/9 05:50	104.7	↑0.4
4/9 06:00	104.8	↑0.1	満潮
4/9 06:10	104.7	↓-0.1
4/9 06:20	104.4	↓-0.3
4/9 06:30	103.9	↓-0.5
4/9 06:40	103.2	↓-0.7
4/9 06:50	102.3	↓-0.9
4/9 07:00	101.1	↓-1.2
4/9 07:10	99.7	↓-1.4
4/9 07:20	98.1	↓-1.6
4/9 07:30	96.3	↓-1.8
4/9 07:40	94.3	↓-2.0
4/9 07:50	92.0	↓-2.3
4/9 08:00	89.6	↓-2.4
4/9 08:10	87.0	↓-2.6
4/9 08:20	84.2	↓-2.8
4/9 08:30	81.2	↓-3.0
4/9 08:40	78.1	↓-3.1
4/9 08:50	74.9	↓-3.2
4/9 09:00	71.6	↓-3.3
4/9 09:10	68.2	↓-3.4
4/9 09:20	64.8	↓-3.4
4/9 09:30	61.3	↓-3.5	最大潮位差
4/9 09:40	57.8	↓-3.5	最大潮位差
4/9 09:50	54.3	↓-3.5	最大潮位差
4/9 10:00	50.8	↓-3.5	最大潮位差
4/9 10:10	47.4	↓-3.4
4/9 10:20	44.0	↓-3.4
4/9 10:30	40.8	↓-3.2
4/9 10:40	37.6	↓-3.2
4/9 10:50	34.6	↓-3.0
4/9 11:00	31.8	↓-2.8
4/9 11:10	29.1	↓-2.7
4/9 11:20	26.6	↓-2.5
4/9 11:30	24.3	↓-2.3
4/9 11:40	22.3	↓-2.0
4/9 11:50	20.4	↓-1.9
4/9 12:00	18.8	↓-1.6
4/9 12:10	17.5	↓-1.3
4/9 12:20	16.4	↓-1.1
4/9 12:30	15.5	↓-0.9
4/9 12:40	14.9	↓-0.6
4/9 12:50	14.5	↓-0.4	干潮
4/9 13:00	14.4	↓-0.1	干潮
4/9 13:10	14.6	↑0.2
4/9 13:20	14.9	↑0.3
4/9 13:30	15.5	↑0.6
4/9 13:40	16.4	↑0.9
4/9 13:50	17.4	↑1.0
4/9 14:00	18.7	↑1.3
4/9 14:10	20.2	↑1.5
4/9 14:20	21.8	↑1.6
4/9 14:30	23.6	↑1.8
4/9 14:40	25.6	↑2.0
4/9 14:50	27.7	↑2.1
4/9 15:00	30.0	↑2.3
4/9 15:10	32.4	↑2.4
4/9 15:20	34.8	↑2.4
4/9 15:30	37.4	↑2.6
4/9 15:40	40.1	↑2.7
4/9 15:50	42.8	↑2.7
4/9 16:00	45.5	↑2.7
4/9 16:10	48.3	↑2.8
4/9 16:20	51.1	↑2.8
4/9 16:30	54.0	↑2.9
4/9 16:40	56.8	↑2.8
4/9 16:50	59.6	↑2.8
4/9 17:00	62.3	↑2.7
4/9 17:10	65.0	↑2.7
4/9 17:20	67.7	↑2.7
4/9 17:30	70.2	↑2.5
4/9 17:40	72.7	↑2.5
4/9 17:50	75.0	↑2.3
4/9 18:00	77.3	↑2.3
4/9 18:10	79.4	↑2.1
4/9 18:20	81.4	↑2.0
4/9 18:30	83.2	↑1.8
4/9 18:40	84.9	↑1.7
4/9 18:50	86.4	↑1.5
4/9 19:00	87.8	↑1.4
4/9 19:10	88.9	↑1.1
4/9 19:20	89.9	↑1.0
4/9 19:30	90.7	↑0.8
4/9 19:40	91.3	↑0.6
4/9 19:50	91.7	↑0.4
4/9 20:00	91.9	↑0.2	満潮
4/9 20:10	92.0	↑0.1
4/9 20:20	91.9	↓-0.1
4/9 20:30	91.6	↓-0.3
4/9 20:40	91.1	↓-0.5
4/9 20:50	90.5	↓-0.6
4/9 21:00	89.8	↓-0.7
4/9 21:10	88.9	↓-0.9
4/9 21:20	87.9	↓-1.0
4/9 21:30	86.8	↓-1.1
4/9 21:40	85.6	↓-1.2
4/9 21:50	84.4	↓-1.2
4/9 22:00	83.1	↓-1.3
4/9 22:10	81.8	↓-1.3
4/9 22:20	80.4	↓-1.4
4/9 22:30	79.1	↓-1.3
4/9 22:40	77.8	↓-1.3
4/9 22:50	76.5	↓-1.3
4/9 23:00	75.3	↓-1.2
4/9 23:10	74.1	↓-1.2
4/9 23:20	73.1	↓-1.0
4/9 23:30	72.1	↓-1.0
4/9 23:40	71.3	↓-0.8
4/9 23:50	70.5	↓-0.8