14 (木)	03:44	07:19	12:05	20:16
	98cm	94cm	105cm	18cm
中潮 出 06:27 入 17:18 出 13:20 入 03:17

日立（茨城）2030年02月14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
2/14 00:00	72.4	↑2.1
2/14 00:10	74.4	↑2.0
2/14 00:20	76.4	↑2.0
2/14 00:30	78.3	↑1.9
2/14 00:40	80.2	↑1.9
2/14 00:50	82.0	↑1.8
2/14 01:00	83.7	↑1.7
2/14 01:10	85.3	↑1.6
2/14 01:20	86.9	↑1.6
2/14 01:30	88.3	↑1.4
2/14 01:40	89.7	↑1.4
2/14 01:50	91.0	↑1.3
2/14 02:00	92.1	↑1.1
2/14 02:10	93.2	↑1.1
2/14 02:20	94.1	↑0.9
2/14 02:30	95.0	↑0.9
2/14 02:40	95.7	↑0.7
2/14 02:50	96.3	↑0.6
2/14 03:00	96.8	↑0.5
2/14 03:10	97.2	↑0.4
2/14 03:20	97.4	↑0.2
2/14 03:30	97.6	↑0.2
2/14 03:40	97.7	↑0.1	満潮
2/14 03:50	97.7	0
2/14 04:00	97.6	↓-0.1
2/14 04:10	97.4	↓-0.2
2/14 04:20	97.2	↓-0.2
2/14 04:30	96.9	↓-0.3
2/14 04:40	96.6	↓-0.3
2/14 04:50	96.3	↓-0.3
2/14 05:00	96.0	↓-0.3
2/14 05:10	95.6	↓-0.4
2/14 05:20	95.3	↓-0.3
2/14 05:30	95.0	↓-0.3
2/14 05:40	94.6	↓-0.4
2/14 05:50	94.3	↓-0.3
2/14 06:00	94.1	↓-0.2
2/14 06:10	93.8	↓-0.3
2/14 06:20	93.6	↓-0.2
2/14 06:30	93.4	↓-0.2
2/14 06:40	93.3	↓-0.1
2/14 06:50	93.2	↓-0.1
2/14 07:00	93.1	↓-0.1
2/14 07:10	93.0	↓-0.1	干潮
2/14 07:20	93.0	0
2/14 07:30	93.0	0
2/14 07:40	93.1	↑0.1
2/14 07:50	93.2	↑0.1
2/14 08:00	93.4	↑0.2
2/14 08:10	93.6	↑0.2
2/14 08:20	93.9	↑0.3
2/14 08:30	94.2	↑0.3
2/14 08:40	94.6	↑0.4
2/14 08:50	95.0	↑0.4
2/14 09:00	95.5	↑0.5
2/14 09:10	96.0	↑0.5
2/14 09:20	96.6	↑0.6
2/14 09:30	97.2	↑0.6
2/14 09:40	97.8	↑0.6
2/14 09:50	98.5	↑0.7
2/14 10:00	99.2	↑0.7
2/14 10:10	99.9	↑0.7
2/14 10:20	100.6	↑0.7
2/14 10:30	101.2	↑0.6
2/14 10:40	101.9	↑0.7
2/14 10:50	102.5	↑0.6
2/14 11:00	103.0	↑0.5
2/14 11:10	103.5	↑0.5
2/14 11:20	104.0	↑0.5
2/14 11:30	104.3	↑0.3
2/14 11:40	104.6	↑0.3
2/14 11:50	104.8	↑0.2
2/14 12:00	104.9	↑0.1	満潮
2/14 12:10	104.9	0
2/14 12:20	104.8	↓-0.1
2/14 12:30	104.5	↓-0.3
2/14 12:40	104.2	↓-0.3
2/14 12:50	103.7	↓-0.5
2/14 13:00	103.2	↓-0.5
2/14 13:10	102.5	↓-0.7
2/14 13:20	101.7	↓-0.8
2/14 13:30	100.7	↓-1.0
2/14 13:40	99.7	↓-1.0
2/14 13:50	98.5	↓-1.2
2/14 14:00	97.2	↓-1.3
2/14 14:10	95.7	↓-1.5
2/14 14:20	94.1	↓-1.6
2/14 14:30	92.3	↓-1.8
2/14 14:40	90.4	↓-1.9
2/14 14:50	88.3	↓-2.1
2/14 15:00	86.2	↓-2.1
2/14 15:10	83.8	↓-2.4
2/14 15:20	81.4	↓-2.4
2/14 15:30	78.8	↓-2.6
2/14 15:40	76.1	↓-2.7
2/14 15:50	73.3	↓-2.8
2/14 16:00	70.4	↓-2.9
2/14 16:10	67.4	↓-3.0
2/14 16:20	64.4	↓-3.0
2/14 16:30	61.4	↓-3.0
2/14 16:40	58.3	↓-3.1	最大潮位差
2/14 16:50	55.3	↓-3.0
2/14 17:00	52.2	↓-3.1	最大潮位差
2/14 17:10	49.2	↓-3.0
2/14 17:20	46.3	↓-2.9
2/14 17:30	43.4	↓-2.9
2/14 17:40	40.6	↓-2.8
2/14 17:50	37.9	↓-2.7
2/14 18:00	35.4	↓-2.5
2/14 18:10	32.9	↓-2.5
2/14 18:20	30.6	↓-2.3
2/14 18:30	28.5	↓-2.1
2/14 18:40	26.5	↓-2.0
2/14 18:50	24.7	↓-1.8
2/14 19:00	23.1	↓-1.6
2/14 19:10	21.7	↓-1.4
2/14 19:20	20.4	↓-1.3
2/14 19:30	19.4	↓-1.0
2/14 19:40	18.5	↓-0.9
2/14 19:50	17.9	↓-0.6
2/14 20:00	17.4	↓-0.5
2/14 20:10	17.2	↓-0.2	干潮
2/14 20:20	17.2	0
2/14 20:30	17.4	↑0.2
2/14 20:40	17.9	↑0.5
2/14 20:50	18.5	↑0.6
2/14 21:00	19.4	↑0.9
2/14 21:10	20.5	↑1.1
2/14 21:20	21.9	↑1.4
2/14 21:30	23.4	↑1.5
2/14 21:40	25.2	↑1.8
2/14 21:50	27.1	↑1.9
2/14 22:00	29.2	↑2.1
2/14 22:10	31.5	↑2.3
2/14 22:20	34.0	↑2.5
2/14 22:30	36.6	↑2.6
2/14 22:40	39.3	↑2.7
2/14 22:50	42.0	↑2.7
2/14 23:00	44.9	↑2.9
2/14 23:10	47.8	↑2.9
2/14 23:20	50.8	↑3.0
2/14 23:30	53.8	↑3.0
2/14 23:40	56.8	↑3.0
2/14 23:50	59.8	↑3.0