07 (火)	09:17	02:55	-	17:32
	118cm	77cm	-	31cm
長潮 出 06:35 入 17:11 出 01:10 入 11:31

日立（茨城）2040年02月07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
2/7 00:00	83.1	↓-0.4
2/7 00:10	82.7	↓-0.4
2/7 00:20	82.2	↓-0.5
2/7 00:30	81.7	↓-0.5
2/7 00:40	81.2	↓-0.5
2/7 00:50	80.7	↓-0.5
2/7 01:00	80.2	↓-0.5
2/7 01:10	79.7	↓-0.5
2/7 01:20	79.2	↓-0.5
2/7 01:30	78.7	↓-0.5
2/7 01:40	78.2	↓-0.5
2/7 01:50	77.8	↓-0.4
2/7 02:00	77.4	↓-0.4
2/7 02:10	77.0	↓-0.4
2/7 02:20	76.7	↓-0.3
2/7 02:30	76.5	↓-0.2
2/7 02:40	76.3	↓-0.2
2/7 02:50	76.3	0	干潮
2/7 03:00	76.3	0
2/7 03:10	76.4	↑0.1
2/7 03:20	76.6	↑0.2
2/7 03:30	76.9	↑0.3
2/7 03:40	77.4	↑0.5
2/7 03:50	77.9	↑0.5
2/7 04:00	78.6	↑0.7
2/7 04:10	79.4	↑0.8
2/7 04:20	80.3	↑0.9
2/7 04:30	81.3	↑1.0
2/7 04:40	82.4	↑1.1
2/7 04:50	83.7	↑1.3
2/7 05:00	85.0	↑1.3
2/7 05:10	86.5	↑1.5
2/7 05:20	88.0	↑1.5
2/7 05:30	89.5	↑1.5
2/7 05:40	91.2	↑1.7
2/7 05:50	92.9	↑1.7
2/7 06:00	94.6	↑1.7
2/7 06:10	96.3	↑1.7
2/7 06:20	98.1	↑1.8
2/7 06:30	99.8	↑1.7
2/7 06:40	101.5	↑1.7
2/7 06:50	103.2	↑1.7
2/7 07:00	104.8	↑1.6
2/7 07:10	106.4	↑1.6
2/7 07:20	108.0	↑1.6
2/7 07:30	109.4	↑1.4
2/7 07:40	110.8	↑1.4
2/7 07:50	112.1	↑1.3
2/7 08:00	113.2	↑1.1
2/7 08:10	114.3	↑1.1
2/7 08:20	115.2	↑0.9
2/7 08:30	116.0	↑0.8
2/7 08:40	116.7	↑0.7
2/7 08:50	117.2	↑0.5
2/7 09:00	117.5	↑0.3
2/7 09:10	117.7	↑0.2	満潮
2/7 09:20	117.7	0
2/7 09:30	117.6	↓-0.1
2/7 09:40	117.2	↓-0.4
2/7 09:50	116.7	↓-0.5
2/7 10:00	116.0	↓-0.7
2/7 10:10	115.2	↓-0.8
2/7 10:20	114.1	↓-1.1
2/7 10:30	112.9	↓-1.2
2/7 10:40	111.5	↓-1.4
2/7 10:50	109.9	↓-1.6
2/7 11:00	108.2	↓-1.7
2/7 11:10	106.4	↓-1.8
2/7 11:20	104.4	↓-2.0
2/7 11:30	102.3	↓-2.1
2/7 11:40	100.1	↓-2.2
2/7 11:50	97.8	↓-2.3
2/7 12:00	95.4	↓-2.4
2/7 12:10	92.9	↓-2.5
2/7 12:20	90.3	↓-2.6
2/7 12:30	87.7	↓-2.6
2/7 12:40	85.1	↓-2.6
2/7 12:50	82.4	↓-2.7
2/7 13:00	79.7	↓-2.7
2/7 13:10	77.0	↓-2.7
2/7 13:20	74.3	↓-2.7
2/7 13:30	71.5	↓-2.8	最大潮位差
2/7 13:40	68.8	↓-2.7
2/7 13:50	66.1	↓-2.7
2/7 14:00	63.5	↓-2.6
2/7 14:10	60.8	↓-2.7
2/7 14:20	58.3	↓-2.5
2/7 14:30	55.7	↓-2.6
2/7 14:40	53.3	↓-2.4
2/7 14:50	50.9	↓-2.4
2/7 15:00	48.6	↓-2.3
2/7 15:10	46.4	↓-2.2
2/7 15:20	44.3	↓-2.1
2/7 15:30	42.4	↓-1.9
2/7 15:40	40.5	↓-1.9
2/7 15:50	38.8	↓-1.7
2/7 16:00	37.3	↓-1.5
2/7 16:10	35.9	↓-1.4
2/7 16:20	34.6	↓-1.3
2/7 16:30	33.5	↓-1.1
2/7 16:40	32.6	↓-0.9
2/7 16:50	31.9	↓-0.7
2/7 17:00	31.3	↓-0.6
2/7 17:10	30.8	↓-0.5
2/7 17:20	30.6	↓-0.2
2/7 17:30	30.5	↓-0.1	干潮
2/7 17:40	30.6	↑0.1
2/7 17:50	30.8	↑0.2
2/7 18:00	31.1	↑0.3
2/7 18:10	31.6	↑0.5
2/7 18:20	32.2	↑0.6
2/7 18:30	33.0	↑0.8
2/7 18:40	33.9	↑0.9
2/7 18:50	34.9	↑1.0
2/7 19:00	36.0	↑1.1
2/7 19:10	37.2	↑1.2
2/7 19:20	38.5	↑1.3
2/7 19:30	39.9	↑1.4
2/7 19:40	41.5	↑1.6
2/7 19:50	43.0	↑1.5
2/7 20:00	44.7	↑1.7
2/7 20:10	46.4	↑1.7
2/7 20:20	48.2	↑1.8
2/7 20:30	50.1	↑1.9
2/7 20:40	51.9	↑1.8
2/7 20:50	53.9	↑2.0
2/7 21:00	55.8	↑1.9
2/7 21:10	57.8	↑2.0
2/7 21:20	59.8	↑2.0
2/7 21:30	61.7	↑1.9
2/7 21:40	63.7	↑2.0
2/7 21:50	65.6	↑1.9
2/7 22:00	67.4	↑1.8
2/7 22:10	69.3	↑1.9
2/7 22:20	71.0	↑1.7
2/7 22:30	72.8	↑1.8
2/7 22:40	74.4	↑1.6
2/7 22:50	76.0	↑1.6
2/7 23:00	77.5	↑1.5
2/7 23:10	78.9	↑1.4
2/7 23:20	80.2	↑1.3
2/7 23:30	81.4	↑1.2
2/7 23:40	82.6	↑1.2
2/7 23:50	83.7	↑1.1