01 (金)	02:43	08:04	13:00	20:07
	102cm	70cm	97cm	13cm
若潮 出 05:24 入 18:01 出 14:26 入 03:43

那珂湊（茨城）2061年04月01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
4/1 00:00	78.1	↑2.8
4/1 00:10	80.8	↑2.7
4/1 00:20	83.3	↑2.5
4/1 00:30	85.7	↑2.4
4/1 00:40	88.0	↑2.3
4/1 00:50	90.1	↑2.1
4/1 01:00	92.0	↑1.9
4/1 01:10	93.8	↑1.8
4/1 01:20	95.4	↑1.6
4/1 01:30	96.8	↑1.4
4/1 01:40	98.0	↑1.2
4/1 01:50	99.1	↑1.1
4/1 02:00	99.9	↑0.8
4/1 02:10	100.6	↑0.7
4/1 02:20	101.1	↑0.5
4/1 02:30	101.3	↑0.2
4/1 02:40	101.5	↑0.2	満潮
4/1 02:50	101.4	↓-0.1
4/1 03:00	101.2	↓-0.2
4/1 03:10	100.8	↓-0.4
4/1 03:20	100.3	↓-0.5
4/1 03:30	99.6	↓-0.7
4/1 03:40	98.7	↓-0.9
4/1 03:50	97.8	↓-0.9
4/1 04:00	96.7	↓-1.1
4/1 04:10	95.5	↓-1.2
4/1 04:20	94.3	↓-1.2
4/1 04:30	92.9	↓-1.4
4/1 04:40	91.5	↓-1.4
4/1 04:50	90.0	↓-1.5
4/1 05:00	88.5	↓-1.5
4/1 05:10	86.9	↓-1.6
4/1 05:20	85.4	↓-1.5
4/1 05:30	83.8	↓-1.6
4/1 05:40	82.3	↓-1.5
4/1 05:50	80.8	↓-1.5
4/1 06:00	79.3	↓-1.5
4/1 06:10	77.9	↓-1.4
4/1 06:20	76.5	↓-1.4
4/1 06:30	75.3	↓-1.2
4/1 06:40	74.1	↓-1.2
4/1 06:50	73.0	↓-1.1
4/1 07:00	72.1	↓-0.9
4/1 07:10	71.2	↓-0.9
4/1 07:20	70.6	↓-0.6
4/1 07:30	70.0	↓-0.6
4/1 07:40	69.6	↓-0.4
4/1 07:50	69.3	↓-0.3
4/1 08:00	69.2	↓-0.1	干潮
4/1 08:10	69.2	0
4/1 08:20	69.4	↑0.2
4/1 08:30	69.7	↑0.3
4/1 08:40	70.2	↑0.5
4/1 08:50	70.8	↑0.6
4/1 09:00	71.5	↑0.7
4/1 09:10	72.4	↑0.9
4/1 09:20	73.3	↑0.9
4/1 09:30	74.4	↑1.1
4/1 09:40	75.6	↑1.2
4/1 09:50	76.9	↑1.3
4/1 10:00	78.2	↑1.3
4/1 10:10	79.6	↑1.4
4/1 10:20	81.0	↑1.4
4/1 10:30	82.4	↑1.4
4/1 10:40	83.9	↑1.5
4/1 10:50	85.3	↑1.4
4/1 11:00	86.7	↑1.4
4/1 11:10	88.1	↑1.4
4/1 11:20	89.4	↑1.3
4/1 11:30	90.7	↑1.3
4/1 11:40	91.9	↑1.2
4/1 11:50	92.9	↑1.0
4/1 12:00	93.9	↑1.0
4/1 12:10	94.7	↑0.8
4/1 12:20	95.5	↑0.8
4/1 12:30	96.0	↑0.5
4/1 12:40	96.4	↑0.4
4/1 12:50	96.7	↑0.3	満潮
4/1 13:00	96.7	0	満潮
4/1 13:10	96.6	↓-0.1
4/1 13:20	96.3	↓-0.3
4/1 13:30	95.8	↓-0.5
4/1 13:40	95.2	↓-0.6
4/1 13:50	94.3	↓-0.9
4/1 14:00	93.3	↓-1.0
4/1 14:10	92.0	↓-1.3
4/1 14:20	90.6	↓-1.4
4/1 14:30	89.0	↓-1.6
4/1 14:40	87.2	↓-1.8
4/1 14:50	85.2	↓-2.0
4/1 15:00	83.1	↓-2.1
4/1 15:10	80.8	↓-2.3
4/1 15:20	78.3	↓-2.5
4/1 15:30	75.8	↓-2.5
4/1 15:40	73.1	↓-2.7
4/1 15:50	70.2	↓-2.9
4/1 16:00	67.3	↓-2.9
4/1 16:10	64.4	↓-2.9
4/1 16:20	61.3	↓-3.1
4/1 16:30	58.2	↓-3.1
4/1 16:40	55.1	↓-3.1
4/1 16:50	51.9	↓-3.2
4/1 17:00	48.7	↓-3.2
4/1 17:10	45.6	↓-3.1
4/1 17:20	42.5	↓-3.1
4/1 17:30	39.5	↓-3.0
4/1 17:40	36.5	↓-3.0
4/1 17:50	33.6	↓-2.9
4/1 18:00	30.9	↓-2.7
4/1 18:10	28.2	↓-2.7
4/1 18:20	25.7	↓-2.5
4/1 18:30	23.4	↓-2.3
4/1 18:40	21.3	↓-2.1
4/1 18:50	19.3	↓-2.0
4/1 19:00	17.6	↓-1.7
4/1 19:10	16.0	↓-1.6
4/1 19:20	14.8	↓-1.2
4/1 19:30	13.7	↓-1.1
4/1 19:40	12.9	↓-0.8
4/1 19:50	12.4	↓-0.5
4/1 20:00	12.1	↓-0.3	干潮
4/1 20:10	12.1	0
4/1 20:20	12.3	↑0.2
4/1 20:30	12.8	↑0.5
4/1 20:40	13.6	↑0.8
4/1 20:50	14.6	↑1.0
4/1 21:00	15.9	↑1.3
4/1 21:10	17.5	↑1.6
4/1 21:20	19.3	↑1.8
4/1 21:30	21.3	↑2.0
4/1 21:40	23.5	↑2.2
4/1 21:50	26.0	↑2.5
4/1 22:00	28.6	↑2.6
4/1 22:10	31.4	↑2.8
4/1 22:20	34.3	↑2.9
4/1 22:30	37.4	↑3.1
4/1 22:40	40.7	↑3.3
4/1 22:50	44.0	↑3.3
4/1 23:00	47.3	↑3.3
4/1 23:10	50.8	↑3.5	最大潮位差
4/1 23:20	54.3	↑3.5	最大潮位差
4/1 23:30	57.8	↑3.5	最大潮位差
4/1 23:40	61.3	↑3.5	最大潮位差
4/1 23:50	64.7	↑3.4