12 (火)	04:10	07:47	12:24	20:39
	101cm	96cm	108cm	11cm
中潮 出 06:29 入 17:17 出 13:33 入 04:05

日立（茨城）2041年02月12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
2/12 00:00	65.2	↑2.6
2/12 00:10	67.7	↑2.5
2/12 00:20	70.1	↑2.4
2/12 00:30	72.5	↑2.4
2/12 00:40	74.9	↑2.4
2/12 00:50	77.2	↑2.3
2/12 01:00	79.4	↑2.2
2/12 01:10	81.5	↑2.1
2/12 01:20	83.6	↑2.1
2/12 01:30	85.5	↑1.9
2/12 01:40	87.4	↑1.9
2/12 01:50	89.1	↑1.7
2/12 02:00	90.8	↑1.7
2/12 02:10	92.3	↑1.5
2/12 02:20	93.7	↑1.4
2/12 02:30	94.9	↑1.2
2/12 02:40	96.0	↑1.1
2/12 02:50	97.0	↑1.0
2/12 03:00	97.9	↑0.9
2/12 03:10	98.6	↑0.7
2/12 03:20	99.2	↑0.6
2/12 03:30	99.6	↑0.4
2/12 03:40	100.0	↑0.4
2/12 03:50	100.2	↑0.2
2/12 04:00	100.3	↑0.1	満潮
2/12 04:10	100.4	↑0.1	満潮
2/12 04:20	100.3	↓-0.1
2/12 04:30	100.2	↓-0.1
2/12 04:40	100.0	↓-0.2
2/12 04:50	99.8	↓-0.2
2/12 05:00	99.6	↓-0.2
2/12 05:10	99.3	↓-0.3
2/12 05:20	99.0	↓-0.3
2/12 05:30	98.6	↓-0.4
2/12 05:40	98.3	↓-0.3
2/12 05:50	98.0	↓-0.3
2/12 06:00	97.7	↓-0.3
2/12 06:10	97.4	↓-0.3
2/12 06:20	97.1	↓-0.3
2/12 06:30	96.8	↓-0.3
2/12 06:40	96.6	↓-0.2
2/12 06:50	96.3	↓-0.3
2/12 07:00	96.1	↓-0.2
2/12 07:10	96.0	↓-0.1
2/12 07:20	95.8	↓-0.2
2/12 07:30	95.7	↓-0.1
2/12 07:40	95.7	0	干潮
2/12 07:50	95.7	0
2/12 08:00	95.7	0
2/12 08:10	95.8	↑0.1
2/12 08:20	96.0	↑0.2
2/12 08:30	96.2	↑0.2
2/12 08:40	96.5	↑0.3
2/12 08:50	96.8	↑0.3
2/12 09:00	97.2	↑0.4
2/12 09:10	97.6	↑0.4
2/12 09:20	98.2	↑0.6
2/12 09:30	98.7	↑0.5
2/12 09:40	99.3	↑0.6
2/12 09:50	100.0	↑0.7
2/12 10:00	100.7	↑0.7
2/12 10:10	101.4	↑0.7
2/12 10:20	102.1	↑0.7
2/12 10:30	102.8	↑0.7
2/12 10:40	103.5	↑0.7
2/12 10:50	104.2	↑0.7
2/12 11:00	104.9	↑0.7
2/12 11:10	105.5	↑0.6
2/12 11:20	106.1	↑0.6
2/12 11:30	106.6	↑0.5
2/12 11:40	107.0	↑0.4
2/12 11:50	107.3	↑0.3
2/12 12:00	107.6	↑0.3
2/12 12:10	107.8	↑0.2
2/12 12:20	107.9	↑0.1	満潮
2/12 12:30	107.9	0
2/12 12:40	107.7	↓-0.2
2/12 12:50	107.5	↓-0.2
2/12 13:00	107.1	↓-0.4
2/12 13:10	106.6	↓-0.5
2/12 13:20	106.0	↓-0.6
2/12 13:30	105.3	↓-0.7
2/12 13:40	104.4	↓-0.9
2/12 13:50	103.4	↓-1.0
2/12 14:00	102.2	↓-1.2
2/12 14:10	100.9	↓-1.3
2/12 14:20	99.4	↓-1.5
2/12 14:30	97.8	↓-1.6
2/12 14:40	96.0	↓-1.8
2/12 14:50	94.0	↓-2.0
2/12 15:00	91.9	↓-2.1
2/12 15:10	89.6	↓-2.3
2/12 15:20	87.2	↓-2.4
2/12 15:30	84.6	↓-2.6
2/12 15:40	81.8	↓-2.8
2/12 15:50	78.9	↓-2.9
2/12 16:00	76.0	↓-2.9
2/12 16:10	72.9	↓-3.1
2/12 16:20	69.7	↓-3.2
2/12 16:30	66.4	↓-3.3
2/12 16:40	63.1	↓-3.3
2/12 16:50	59.8	↓-3.3
2/12 17:00	56.5	↓-3.3
2/12 17:10	53.1	↓-3.4	最大潮位差
2/12 17:20	49.8	↓-3.3
2/12 17:30	46.6	↓-3.2
2/12 17:40	43.4	↓-3.2
2/12 17:50	40.2	↓-3.2
2/12 18:00	37.2	↓-3.0
2/12 18:10	34.3	↓-2.9
2/12 18:20	31.5	↓-2.8
2/12 18:30	28.8	↓-2.7
2/12 18:40	26.3	↓-2.5
2/12 18:50	23.9	↓-2.4
2/12 19:00	21.7	↓-2.2
2/12 19:10	19.7	↓-2.0
2/12 19:20	17.8	↓-1.9
2/12 19:30	16.2	↓-1.6
2/12 19:40	14.7	↓-1.5
2/12 19:50	13.5	↓-1.2
2/12 20:00	12.5	↓-1.0
2/12 20:10	11.7	↓-0.8
2/12 20:20	11.1	↓-0.6
2/12 20:30	10.8	↓-0.3	干潮
2/12 20:40	10.8	0
2/12 20:50	10.9	↑0.1
2/12 21:00	11.4	↑0.5
2/12 21:10	12.0	↑0.6
2/12 21:20	12.9	↑0.9
2/12 21:30	14.1	↑1.2
2/12 21:40	15.5	↑1.4
2/12 21:50	17.1	↑1.6
2/12 22:00	19.0	↑1.9
2/12 22:10	21.0	↑2.0
2/12 22:20	23.3	↑2.3
2/12 22:30	25.7	↑2.4
2/12 22:40	28.2	↑2.5
2/12 22:50	30.9	↑2.7
2/12 23:00	33.8	↑2.9
2/12 23:10	36.7	↑2.9
2/12 23:20	39.8	↑3.1
2/12 23:30	42.9	↑3.1
2/12 23:40	46.0	↑3.1
2/12 23:50	49.2	↑3.2